WO2024250630A1 - 电池和车辆 - Google Patents
电池和车辆 Download PDFInfo
- Publication number
- WO2024250630A1 WO2024250630A1 PCT/CN2023/140123 CN2023140123W WO2024250630A1 WO 2024250630 A1 WO2024250630 A1 WO 2024250630A1 CN 2023140123 W CN2023140123 W CN 2023140123W WO 2024250630 A1 WO2024250630 A1 WO 2024250630A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- top cover
- battery
- reinforcing
- box body
- battery according
- Prior art date
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 188
- 230000002787 reinforcement Effects 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 4
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present application relates to the field of battery technology, and in particular to a battery and a vehicle.
- the rigidity and structural strength of the top cover of the battery are insufficient.
- the top cover is prone to serious deformation or even damage, which will affect the working performance of the battery, reduce the safety and reliability of the battery, and shorten the service life of the battery.
- the present application provides a battery and a vehicle, in which the upper part of the battery cell is connected to the top cover, which can enhance the rigidity and structural strength of the top cover, reduce the possibility of damage to the top cover when the battery is under stress, and improve the safety performance of the battery.
- the present application provides a battery, comprising: a battery case, the battery case comprising a case body and a top cover, the top cover being arranged on the top of the case body and defining a accommodating cavity between the top cover and the case body; at least one battery cell, all of the battery cells are arranged in the accommodating cavity, and at least part of the upper part of the battery cells is fixedly connected to the top cover.
- the rigidity and structural strength of the top cover can be enhanced, the deformation of the top cover can be reduced when the battery is under stress, the possibility of damage to the top cover can be reduced, the safety performance of the battery can be improved, and the impact on the service life of the battery can be reduced.
- the upper portion of the battery cell is fixedly connected to the top cover by bonding.
- the battery cell includes a body and an electrode terminal, the electrode terminal is disposed on a lower side of the body, and an upper surface of the body is connected to the top cover.
- the electrode terminal is arranged on the lower side of the body, and the upper surface of the body is connected to the top cover. While enhancing the structural strength of the top cover, the electrode terminal can also be kept away from the top cover, reducing the possibility of deformation of the top cover and squeezing the electrode terminal, thereby improving the safety of the battery cell.
- connection method between the top cover and the box body includes at least one of welding, FDS connection, bolt connection and bonding.
- connection method between the top cover and the box body includes at least one of welding, self-tapping screw connection, bolt connection and bonding.
- connection between the top cover and the box body includes a bolt connection.
- the top cover and the box body are connected by bolts.
- the bolts have good shear resistance, so that the connection strength between the top cover and the box body is relatively high, and the connection stability between the top cover and the box body is enhanced, so as to improve the stability and reliability of the overall structure of the battery box, which helps to improve the safety of the battery; in addition, this connection method makes the top cover and the box body detachable, which is convenient for replacement or maintenance of the top cover or the box body, and also convenient for maintenance of the battery cells in the accommodating cavity.
- connection between the top cover and the box body includes a bolt connection, and there are at least two bolts, and the at least two bolts are arranged at intervals along the circumference of the top cover.
- At least two bolts are arranged at intervals along the circumference of the top cover, so that the top cover and the box body can be connected along the circumference of the top cover, and the connection stability between the top cover and the box body is stronger, so as to further improve the stability and reliability of the overall structure of the battery box, and further improve the safety of the battery.
- the box body includes a side beam surrounding the outer peripheral side of the accommodating cavity, the top cover is connected to the top of the side beam, at least part of the side beam is separated from the battery cell; a buffer structure is provided between the side beam and the battery cell.
- the transmission of force between the side beams and the battery cells can be blocked by separating the side beams from the battery cells.
- the side beams are separated from the battery cells so that the side beams have deformation space.
- the buffer structure can absorb collision energy.
- the side beams are subjected to force, and the side beams can transmit the force to the buffer structure.
- the buffer structure absorbs the collision energy, so that the force transmitted to the battery cells is smaller, which can improve the safety of the battery cells, thereby improving the safety of the battery.
- the buffer structure includes a buffer block; the buffer block includes at least one of a rubber block, a foam block, and a sponge block.
- the buffer block can absorb collision energy.
- the side beam is subjected to force, and the side beam can transfer the force to the buffer structure.
- the buffer block of the buffer structure absorbs the collision energy, so that the force transferred to the battery cell is smaller, which can improve the safety of the battery cell, thereby improving the safety of the battery; and the cost of rubber blocks, foam blocks and sponge blocks is relatively low.
- structural adhesive is filled between the buffer block and at least one of the top cover, the side beam, and the battery cell.
- structural adhesive is filled between the buffer block and at least one of the top cover, side beam and battery cell, so that the buffer block can be bonded to the top cover, side beam and battery cell, which is convenient for the installation of the buffer block and can improve the overall structural strength and stability of the battery; for example, when the battery is used in a vehicle, the battery is arranged at the bottom of the vehicle body, and the top cover of the battery constitutes at least part of the floor of the vehicle.
- the buffer structure can absorb part of the collision energy and reduce the impact of the collision force on the battery, thereby reducing the impact of the collision force on the floor of the vehicle, so as to improve the side collision resistance of the entire vehicle.
- the box body includes a bottom guard plate and a side beam surrounding the outer peripheral side of the accommodating cavity, the bottom guard plate is connected to the bottom of the side beam, the bottom guard plate includes a main body and a connecting part, the connecting part surrounds the outer peripheral side of the main body, the connecting part is located below the side beam and connected to the side beam, the main body is located below the battery cell and separated from the battery cell; a reinforcement structure is provided on the top cover.
- the bottom guard plate can be connected to the side beam by connecting the connecting portion of the bottom guard plate to the side beam;
- the main body is separated from the battery cell, so that there is a buffer energy absorption space between the main body and the battery cell.
- the buffer energy absorption space can absorb part of the collision energy, which can reduce the possibility of the main body squeezing the battery cell, so as to further improve the safety of the battery cell.
- the rigidity and structural strength of the top cover can be further improved, and the possibility of damage to the top cover can be further reduced when the battery is subjected to force, so as to improve the safety performance of the battery.
- the battery is used in a vehicle and is suitable for installation at the bottom of the vehicle body.
- the top cover of the battery can constitute at least part of the floor of the vehicle, and the structural strength of the top cover is further enhanced, so that the bearing capacity of the top cover for the seat can be improved, and the structural strength of the floor is further enhanced, which can further improve the anti-side collision ability of the whole vehicle. .
- connection between the top cover and the box body includes a bolt connection, and the bolts are passed through the reinforcement structure, the top cover and the box body.
- the reinforcing structure, the top cover and the box body by passing bolts through the reinforcing structure, the top cover and the box body, the reinforcing structure, the top cover and the box body can be connected, which can further improve the structural strength of the top cover, and further enhance the connection strength between the reinforcing structure, the top cover and the box body, thereby further improving the stability and reliability of the overall structure of the battery box.
- the reinforcement structure includes a reinforcement beam extending along a first direction intersecting the up-down direction.
- the structural strength of the top cover can be improved along the first direction, which helps to improve the overall structural strength of the top cover and reduce the possibility of the top cover being damaged by force.
- the structural strength of the top cover can be improved along the second direction, thereby improving the overall structural strength of the top cover and further reducing the possibility of the top cover being damaged by force; by at least part of the plurality of reinforcing beams being located at at least one end of the top cover along the second direction, the structural strength of the opposite ends of the top cover along the second direction can be enhanced, thereby enhancing the overall structural strength of the top cover and improving the safety performance of the battery.
- the battery is suitable for installation at the bottom of the vehicle body, the first direction is the left-right direction, the second direction is the front-back direction, the part of the top cover opposite to the vehicle seat is the seat mounting part, and at least part of the multiple reinforcing beams is located in the seat mounting part.
- the rigidity and load-bearing capacity of the seat mounting part can be enhanced, so that the battery cover can better bear the seat load and reduce the risk of deformation of the top cover due to excessive load.
- a reinforcing beam is arranged on the top cover to increase the structural strength of the floor of the vehicle, which can improve the load-bearing capacity of the top cover and enhance the side collision resistance of the entire vehicle.
- the plurality of reinforcing beams include a first reinforcing beam and a second reinforcing beam, wherein the first reinforcing beam is located at the seat mounting portion, the second reinforcing beam is located at least on one side of the first reinforcing beam along the second direction, and the structural strength of the first reinforcing beam is greater than the structural strength of the second reinforcing beam.
- the structural strength of the first reinforcing beam greater than the structural strength of the second reinforcing beam, the structural strength and load-bearing capacity of the seat mounting part can be further enhanced, so that the battery top cover can better bear the seat load, further reducing the risk of deformation of the top cover due to excessive load.
- the reinforcement structure is detachably connected to the top cover.
- the reinforcing structure and the top cover are detachably connected, which facilitates the disassembly and assembly between the reinforcing structure and the top cover, and facilitates the replacement or maintenance of the reinforcing structure or the top cover.
- the reinforcement structure includes a reinforcement plate, and the reinforcement plate is overlapped with the top cover in an up-and-down direction.
- the structural strength and load-bearing capacity of the top cover can be enhanced, thereby further improving the safety performance of the battery.
- the reinforcing plate extends along a second direction, and the second direction intersects with the up-down direction; there are multiple reinforcing plates, and at least part of the multiple reinforcing plates are located at at least one end of the top cover along the first direction.
- the structural strength of the top cover can be improved along the second direction, which is beneficial to improving the overall structural strength of the top cover, reducing the possibility of the top cover being damaged by force, and further improving the safety of the battery; by at least part of the multiple reinforcing plates being located at at least one end of the top cover along the first direction, the structural strength of the outer edge of the top cover can be enhanced, and when the top cover of the battery is subjected to a force, the top cover is not easily deformed, which is beneficial to improving the safety performance of the battery and reducing the impact on the service life of the battery.
- connection between the top cover and the box body includes a bolt connection, and at least part of the bolts are passed through the reinforcing plate, the top cover and the box body.
- the reinforcing plate, the top cover and the box body by passing bolts through the reinforcing plate, the top cover and the box body, the reinforcing plate, the top cover and the box body can be connected, which can further improve the structural strength of the top cover, and further enhance the connection strength between the reinforcing plate, the top cover and the box body, further improving the stability and reliability of the overall structure of the battery box.
- the reinforcement structure includes a reinforcement beam
- the connection between the top cover and the box body includes a bolt connection, and at least part of the bolts pass through the reinforcement beam, the reinforcement plate, the top cover and the box body.
- the reinforcing beam, reinforcing plate, top cover and box body can be connected, which can further improve the structural strength of the top cover, and better enhance the connection strength between the reinforcing plate, top cover and box body, thereby better improving the structural stability and reliability of the battery box.
- the battery is used in a vehicle and is adapted to be mounted on the bottom of a vehicle body, and the roof is used to constitute at least a portion of a floor of the vehicle.
- the upper part of the battery cell is connected to the top cover, which can enhance the rigidity and structural strength of the top cover, improve the load-bearing capacity of the top cover, and reduce the degree of deformation of the top cover; and enhance the structural strength of the vehicle's floor to improve the vehicle's ability to resist side collisions.
- the present application proposes a vehicle, comprising: the above-mentioned battery.
- the upper part of the battery cell is fixedly connected to the top cover, which can enhance the rigidity and structural strength of the top cover, reduce the deformation of the top cover when the battery is under stress, reduce the possibility of damage to the top cover, improve the safety performance of the battery, and reduce the impact on the service life of the battery.
- FIG1 is a schematic diagram of the structure of a battery according to some embodiments of the present application.
- FIG2 is a cross-sectional view of the battery in FIG1 ;
- FIG3 is an exploded view of the battery in FIG1 ;
- FIG4 is a schematic diagram of a partial structure of the battery in FIG1 ;
- FIG5 is an enlarged view of point B in FIG4;
- Fig. 6 is a cross-sectional view along line A-A in Fig. 5;
- FIG. 7 is a schematic diagram of the structure of a vehicle according to some embodiments of the present application.
- the terms “installed”, “connected”, “connected”, and “attached” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements.
- installed should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements.
- a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
- the character "/" in this application generally indicates that the associated objects before and after are in an "or" relationship.
- a battery 100 refers to a single physical module including one or more battery cells 20 to provide a higher voltage and capacity.
- the battery 100 mentioned in the present application may include a battery module or a battery 100 pack, etc.
- Some batteries 100 may include a battery case 1 for encapsulating one or more battery cells 20 or multiple battery modules, and the battery case 1 may prevent liquid or other foreign matter from affecting the charging or discharging of the battery cells 20.
- the battery cell 20 may include a lithium-ion secondary battery, a lithium-ion primary battery, a lithium-sulfur battery 100, a sodium-lithium-ion battery, a sodium-ion battery or a magnesium-ion battery, etc., and the embodiments of the present application do not limit this.
- the battery cell 20 may be cylindrical, flat, rectangular or other shapes, etc., and the embodiments of the present application do not limit this.
- the battery cell 20 is generally divided into three types according to the packaging method: cylindrical battery cells, square battery cells and soft-pack battery cells, and the embodiments of the present application do not limit this.
- the rigidity and structural strength of the top cover of the battery are insufficient.
- the top cover is prone to serious deformation or even damage, which will affect the working performance of the battery, reduce the safety and reliability of the battery, and shorten the service life of the battery.
- a battery 100 comprising: a battery case 1 and at least one battery cell 20, the battery case 1 comprising a case body 11 and a top cover 12, the top cover 12 is arranged on the top of the case body 11, and a accommodating cavity 15 is defined between the top cover 12 and the case body 11; all battery cells 20 are arranged in the accommodating cavity 15, and the upper part of at least some of the battery cells 20 is fixedly connected to the top cover 12.
- the top cover 12 which can enhance the rigidity and structural strength of the top cover 12, reduce deformation of the top cover 12 when the battery 100 is subjected to stress, reduce the possibility of damage to the top cover 12, improve the safety performance of the battery 100, and reduce the impact on the service life of the battery 100.
- the vehicle 1000 disclosed in the embodiment of the present application may be a fuel vehicle, a gas vehicle, a new energy vehicle or a rail vehicle.
- the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc.
- a battery 100 according to an embodiment of the present application will be described below with reference to the accompanying drawings.
- the present application provides a battery 100, comprising: a battery case 1 and at least one battery cell 20, the battery case 1 comprising a case body 11 and a top cover 12, the top cover 12 being disposed on the top of the case body 11, and a accommodating cavity 15 being defined between the top cover 12 and the case body 11; all battery cells 20 are disposed in the accommodating cavity 15, and the upper portions of at least some of the battery cells 20 are fixedly connected to the top cover 12.
- the battery 100 described above can be used in a vehicle 1000 and is suitable for installation at the bottom of the vehicle body, and the top cover 12 of the battery 100 can constitute at least part of the floor of the vehicle 1000, so that CTB (Cell to Body) can be achieved.
- CTB Cell to Body
- the structural strength of the top cover 12 of the battery 100 is relatively high, the structural strength of the floor of the vehicle 1000 is also relatively high, which is conducive to improving the side collision resistance of the entire vehicle.
- At least one battery cell 20 means that the battery cell 20 may be one; or, the battery cell 20 may be multiple.
- the multiple battery cells 20 are arranged to form multiple battery rows 2, and the multiple battery rows 2 are arranged along a first direction (for example, refer to the e1 direction in the drawings), and each battery row 2 includes multiple battery cells 20 arranged along a second direction (for example, refer to the e2 direction in the drawings), and the second direction intersects with the first direction.
- At least the upper parts of some of the battery cells 20 are fixedly connected to the top cover 12 . It can be considered that the upper parts of all the battery cells 20 are fixedly connected to the top cover 12 . It can also be considered that the upper parts of some of the battery cells 20 are fixedly connected to the top cover 12 .
- the rigidity and structural strength of the top cover 12 can be enhanced, the deformation of the top cover 12 can be reduced when the battery 100 is subjected to force, the possibility of damage to the top cover 12 can be reduced, the safety performance of the battery 100 can be improved, and the impact on the service life of the battery 100 can be reduced.
- the upper portion of the battery cell 20 is fixedly connected to the top cover 12 by bonding.
- the connection stability between the battery cell 20 and the top cover 12 can be enhanced, and the operation is convenient.
- the battery cell 20 includes a body 21 and an electrode terminal 22 .
- the electrode terminal 22 is disposed on the lower side of the body 21 , and the upper surface of the body 21 is connected to the top cover 12 .
- the upper surface of the body 21 is bonded to the top cover 12 .
- the electrode terminal 22 is arranged on the lower side of the main body 21, and the upper surface of the main body 21 is connected to the top cover 12. While enhancing the structural strength of the top cover 12, the electrode terminal 22 can also be kept away from the top cover 12, reducing the possibility of deformation of the top cover 12 and squeezing the electrode terminal 22, thereby improving the safety of the battery cell 20.
- connection method between the top cover 12 and the box body 11 includes at least one of welding, FDS connection, bolt connection and bonding.
- the connection method between the top cover 12 and the box body 11 includes at least one of welding, self-tapping screw connection, bolt connection and bonding. It can be considered that the connection method between the top cover 12 and the box body 11 includes one of welding, self-tapping screw connection, bolt connection and bonding; it can also be considered that the connection method between the top cover 12 and the box body 11 includes two of welding, self-tapping screw connection, bolt connection and bonding; it can also be considered that the connection method between the top cover 12 and the box body 11 includes three of welding, self-tapping screw connection, bolt connection and bonding; it can also be considered that the connection method between the top cover 12 and the box body 11 includes four of welding, self-tapping screw connection, bolt connection and bonding.
- connection method between the top cover 12 and the box body 11 includes at least one of welding, self-tapping screw connection, bolt connection and bonding.
- connection between the top cover 12 and the box body 11 includes a bolt connection.
- the bolt 17 is an M6 bolt or an M8 bolt.
- connection method between the top cover 12 and the box body 11 includes bolt connection. It can be considered that the top cover 12 and the box body 11 can be connected by other methods while being connected by bolts, such as the above-mentioned welding, self-tapping screw connection or bonding.
- the battery when the battery is used in a vehicle, the battery is arranged at the bottom of the vehicle body, and the top cover of the battery can constitute at least a part of the floor of the vehicle.
- the battery is easily subjected to shear force, that is, the top cover and the main body of the box are subjected to shear force, so that the connection structure between the top cover and the main body of the box is easily damaged by the shear force, the overall stability of the battery box is reduced, and the safety of the battery is affected.
- the top cover 12 is connected to the box body 11 by bolts, and the bolts 17 have good shear resistance, so that the connection strength between the top cover 12 and the box body 11 is high, and the connection stability between the top cover 12 and the box body 11 is enhanced, so as to improve the stability and reliability of the overall structure of the battery box 1, and help to improve the safety of the battery 100; in addition, this connection method makes the top cover 12 and the box body 11 detachable, which is convenient for the top cover 12 or the box body.
- the main body 11 can be replaced or maintained, and the battery cell 20 in the accommodating cavity 15 can also be maintained conveniently.
- connection between the top cover 12 and the box body 11 includes a bolt connection, and there are at least two bolts 17 , which are spaced apart along the circumference of the top cover 12 .
- the number of bolts 17 being at least two means that there are two or more bolts 17 .
- At least two bolts 17 are arranged at intervals along the circumference of the top cover 12, so that the top cover 12 and the box body 11 can be connected along the circumference of the top cover 12.
- the connection stability between the top cover 12 and the box body 11 is stronger, so as to further improve the stability and reliability of the overall structure of the battery box 1, and the safety of the battery 100 can be further improved.
- the box body 11 includes a side beam 110 surrounding the outer peripheral side of the accommodating cavity 15, the top cover 12 is connected to the top of the side beam 110, and at least a portion of the side beam 110 is separated from the battery cell 20; a buffer structure 3 is provided between the side beam 110 and the battery cell 20.
- At least a portion of the side beam 110 is spaced apart from the battery cell 20 , which means that a portion of the side beam 110 is spaced apart from the battery cell 20 ; or, the entire side beam 110 is spaced apart from the battery cell 20 .
- the side beam 110 is separated from the battery cell 20, so that the transmission of the force between the side beam 110 and the battery cell 20 can be blocked.
- the side beam 110 is not easy to transmit the collision force to the battery cell 20, which can improve the safety of the battery cell 20; and the side beam 110 is separated from the battery cell 20, so that the side beam 110 has a deformation space.
- the side beam 110 is deformed by force, the possibility of the side beam 110 squeezing the battery cell 20 can be reduced, which can further ensure the safety and reliability of the battery 100; in addition, the buffer structure 3 can absorb the collision energy.
- the side beam 110 When the battery 100 is subjected to a collision, the side beam 110 is subjected to a force, and the side beam 110 can transmit the force to the buffer structure 3.
- the buffer structure 3 absorbs the collision energy, so that the force transmitted to the battery cell 20 is smaller, which can improve the safety of the battery cell 20, thereby improving the safety of the battery 100.
- the buffer structure 3 includes a buffer block 31 ; the buffer block 31 includes at least one of a rubber block, a foam block, and a sponge block.
- the buffer block 31 includes at least one of a rubber block, a foam block, and a sponge block, which means that the buffer block 31 includes one of the rubber block, the foam block, and the sponge block; or, the buffer block 31 includes two of the rubber block, the foam block, and the sponge block; or, the buffer block 31 includes three of the rubber block, the foam block, and the sponge block.
- the buffer block 31 can absorb collision energy.
- the side beam 110 When the battery 100 encounters a collision, the side beam 110 is subjected to a force, and the side beam 110 can transfer the force to the buffer structure 3.
- the buffer block 31 of the buffer structure 3 absorbs the collision energy, so that the force transferred to the battery cell 20 is smaller, which can improve the safety of the battery cell 20, thereby improving the safety of the battery 100; and the cost of rubber blocks, foam blocks and sponge blocks is relatively low.
- structural adhesive is filled between the buffer block 31 and at least one of the top cover 12 , the side beam 110 , and the battery cell 20 .
- Structural adhesive is filled between the buffer block 31 and at least one of the top cover 12, the side beam 110 and the battery cell 20, which means that structural adhesive is filled between the buffer block 31 and one of the top cover 12, the side beam 110 and the battery cell 20; or, structural adhesive is filled between the buffer block 31 and any two of the top cover 12, the side beam 110 and the battery cell 20; or, structural adhesive is filled between the buffer block 31 and the top cover 12, the side beam 110 and the battery cell 20.
- structural adhesive is filled between the buffer block 31 and the top cover 12 , the side beam 110 , and the battery cell 20 .
- a structural adhesive is filled between the buffer block 31 and at least one of the top cover 12, the side beam 110 and the battery cell 20, so that the buffer block 31 can be bonded to the top cover 12, the side beam 110 and the battery cell 20, which is convenient for
- the installation of the buffer block 31 can improve the overall structural strength and stability of the battery 100; for example, when the battery 100 is used in the vehicle 1000, the battery 100 is arranged at the bottom of the vehicle body, and the top cover 12 of the battery 100 constitutes at least a part of the floor of the vehicle 1000.
- the buffer structure 3 can absorb part of the collision energy and reduce the impact of the collision force on the battery 100, thereby reducing the impact of the collision force on the floor of the vehicle 1000, so as to improve the side collision resistance of the whole vehicle.
- the box body 11 includes a bottom guard plate 16 and a side beam 110, the side beam 110 surrounds the outer peripheral side of the accommodating cavity 15, the bottom guard plate 16 is connected to the bottom of the side beam 110, the bottom guard plate 16 includes a main body 161 and a connecting portion 162, the connecting portion 162 surrounds the outer peripheral side of the main body 161, the connecting portion 162 is located below the side beam 110 and is connected to the side beam 110, the main body 161 is located below the battery cell 20, and the main body 161 is separated from the battery cell 20; a reinforcing structure 1a is provided on the top cover 12.
- the bottom guard plate 16 can be connected to the side beam 110 by connecting the connecting portion 162 of the bottom guard plate 16 to the side beam 110; the main body portion 161 is separated from the battery cell 20 so that a buffering energy-absorbing space is provided between the main body portion 161 and the battery cell 20.
- the main body portion 161 When the main body portion 161 is subjected to a force, the main body portion 161 can be deformed to absorb part of the energy.
- the buffering energy-absorbing space can absorb part of the collision energy, thereby reducing the possibility of the main body portion 161 squeezing the battery cell 20, so as to further improve the safety of the battery cell 20.
- the rigidity and structural strength of the top cover 12 can be further improved, and the possibility of damage to the top cover 12 when the battery 100 is subjected to force can be further reduced, thereby improving the safety performance of the battery 100; for example, the battery 100 is used in the vehicle 1000 and is suitable for installation at the bottom of the vehicle body.
- the top cover 12 of the battery 100 can constitute at least a part of the floor of the vehicle 1000, and the structural strength of the top cover 12 is further enhanced, which can improve the load-bearing capacity of the top cover 12 for the seat, and the structural strength of the floor is further enhanced, which can further improve the side collision resistance of the entire vehicle.
- connection between the top cover 12 and the box body 11 includes bolt connection, and the bolts 17 are passed through the reinforcing structure 1 a , the top cover 12 , and the box body 11 .
- connection method between the top cover 12 and the box body 11 includes bolt connection. It can be considered that the top cover 12 and the box body 11 can be connected by other methods, such as welding or bonding, while being connected by bolts.
- the reinforcing structure 1a, the top cover 12 and the box body 11 can be connected, which can further improve the structural strength of the top cover 12, and further enhance the connection strength between the reinforcing structure 1a, the top cover 12 and the box body 11, further improving the stability and reliability of the overall structure of the battery box 1.
- the reinforcement structure 1 a includes a reinforcement beam 13 , and the reinforcement beam 13 extends along a first direction, and the first direction intersects the up-down direction.
- the reinforcing beam 13 has a hollow structure, and the cross section of the reinforcing beam 13 is in a “J” shape.
- the structural strength of the top cover 12 can be improved along the first direction, which helps to improve the overall structural strength of the top cover 12 and reduce the possibility of the top cover 12 being damaged by force.
- the multiple reinforcing beams 13 are arranged along the second direction, the second direction intersects with the up and down direction and with the first direction; at least part of the multiple reinforcing beams 13 are located at at least one end of the top cover 12 along the second direction.
- At least part of the plurality of reinforcing beams 13 is located at at least one end of the top cover 12 along the second direction. It can be considered that the plurality of reinforcing beams 13 are all located at one end of the top cover 12 along the second direction. It can also be considered that the plurality of reinforcing beams 13 are all located at the other end of the top cover 12 along the second direction. It can also be considered that part of the plurality of reinforcing beams 13 is located at the other end of the top cover 12 along the second direction.
- another part of the multiple reinforcing beams 13 is located at the other end of the top cover 12 along the second direction; it can also be considered that a part of the multiple reinforcing beams 13 are located at the opposite ends of the top cover 12 along the second direction, and another part of the multiple reinforcing beams 13 is close to the middle of the top cover 12 along the second direction.
- One of the reinforcing beams 13 is located at one end of the top cover 12 along the second direction
- another reinforcing beam 13 is located at the other end of the top cover 12 along the second direction
- the other two reinforcing beams 13 are located in the middle of the top cover 12 along the second direction.
- the structural strength of the top cover 12 can be improved along the second direction, which can improve the overall structural strength of the top cover 12 and further reduce the possibility of the top cover 12 being damaged by force; by at least part of the multiple reinforcing beams 13 being located at at least one end of the top cover 12 along the second direction, the structural strength of the opposite ends of the top cover 12 along the second direction can be enhanced, thereby enhancing the overall structural strength of the top cover 12 and improving the safety performance of the battery 100.
- the battery 100 is suitable for being installed at the bottom of the vehicle body, the first direction is the left-right direction, the second direction is the front-back direction, the portion of the top cover 12 opposite to the seat of the vehicle 1000 is the seat mounting portion 120, and at least part of the multiple reinforcing beams 13 is located in the seat mounting portion 120.
- At least part of the multiple reinforcing beams 13 are located in the seat mounting portion 120 , and it can be considered that all of the multiple reinforcing beams 13 are located in the seat mounting portion 120 ; or, part of the multiple reinforcing beams 13 are located in the seat mounting portion 120 , for example, two of the four reinforcing beams 13 are located in the seat mounting portion 120 .
- the rigidity and load-bearing capacity of the seat mounting portion 120 can be enhanced, so that the top cover 12 of the battery 100 can better bear the seat load and reduce the risk of deformation of the top cover 12 due to excessive load.
- a reinforcing beam 13 is provided on the top cover 12, so that the structural strength of the floor of the vehicle 1000 is increased, which can improve the load-bearing capacity of the top cover 12 and enhance the side collision resistance of the entire vehicle.
- the plurality of reinforcing beams 13 include a first reinforcing beam 131 and a second reinforcing beam 132, the first reinforcing beam 131 is located at the seat mounting portion 120, the second reinforcing beam 132 is located at least on one side of the first reinforcing beam 131 along the second direction, and the structural strength of the first reinforcing beam 131 is greater than the structural strength of the second reinforcing beam 132.
- the second direction is the front-to-back direction, and the second reinforcing beam 132 is located on at least one side of the first reinforcing beam 131 along the second direction, which means that the second reinforcing beam 132 is located on the front side of the first reinforcing beam 131; or, the second reinforcing beam 132 is located on the rear side of the first reinforcing beam 131; or, the second reinforcing beam 132 is located on both the front and rear sides of the first reinforcing beam 131.
- first reinforcing beams 131 there are two first reinforcing beams 131, and the two first reinforcing beams 131 are located at the seat mounting portion 120; there are two second reinforcing beams 132, and when the second reinforcing beams 132 are located at the front and rear sides of the first reinforcing beam 131, one of the second reinforcing beams 132 is located at the front side of the first reinforcing beam 131, and the other second reinforcing beam 132 is located at the rear side of the first reinforcing beam 131.
- the width of the first reinforcing beam 131 may be greater than the width of the second reinforcing beam 132, so that the structural strength of the first reinforcing beam 131 is greater than the structural strength of the second reinforcing beam 132.
- the structural strength of the first reinforcing beam 131 greater than the structural strength of the second reinforcing beam 132, the structural strength and load-bearing capacity of the seat mounting portion 120 can be further enhanced, so that the top cover 12 of the battery 100 can better bear the seat load, further reducing the risk of deformation of the top cover 12 due to excessive load.
- the reinforcement structure 1 a is detachably connected to the top cover 12 .
- the reinforcement structure 1 a and the top cover 12 may be connected by bolts.
- the reinforcing structure 1a and the top cover 12 are detachably connected, which facilitates the disassembly and assembly between the reinforcing structure 1a and the top cover 12, and facilitates the replacement or maintenance of the reinforcing structure 1a or the top cover 12.
- the reinforcement structure 1 a includes a reinforcement plate 14 , and the reinforcement plate 14 is overlapped with the top cover 12 in the up-down direction.
- the reinforcing plate 14 is stacked on the upper side of the top cover 12 .
- the structural strength and load-bearing capacity of the top cover 12 can be enhanced, and the safety performance of the battery 100 can be further improved.
- the reinforcing plate 14 extends along the second direction, the second direction intersecting the up-down direction; there are multiple reinforcing plates 14 , at least some of which are located at at least one end of the top cover 12 along the first direction.
- the second direction is perpendicular to the up-down direction.
- At least part of the multiple reinforcing plates 14 are located at at least one end of the top cover 12 along the first direction. It can be considered that the multiple reinforcing plates 14 are all located at one end of the top cover 12 along the first direction; it can also be considered that the multiple reinforcing plates 14 are all located at the other end of the top cover 12 along the first direction; it can also be considered that a part of the multiple reinforcing plates 14 is located at one end of the top cover 12 along the first direction, and the other part of the multiple reinforcing plates 14 is located at the other end of the top cover 12 along the first direction; it can also be considered that a part of the multiple reinforcing plates 14 is located at one end of the top cover 12 along the first direction, and the other part of the multiple reinforcing plates 14 is located at the other end of the top cover 12 along the first direction; it can also be considered that a part of the multiple reinforcing plates 14 is located at one end of the top cover 12 along the first direction, and the other part of the multiple rein
- a portion of the plurality of reinforcing plates 14 is located at one end of the top cover 12 along the first direction, and another portion of the plurality of reinforcing plates 14 is located at the other end of the top cover 12 along the first direction.
- the structural strength of the top cover 12 can be improved along the second direction, which is beneficial to improving the overall structural strength of the top cover 12, and can reduce the possibility of the top cover 12 being damaged by force, thereby further improving the safety of the battery 100; by at least part of the multiple reinforcing plates 14 being located at at least one end of the top cover 12 along the first direction, the structural strength of the outer edge of the top cover 12 can be enhanced, and when the top cover 12 of the battery 100 is subjected to a force, the top cover 12 is not easily deformed, which is beneficial to improving the safety performance of the battery 100 and reducing the impact on the service life of the battery 100.
- connection between the top cover 12 and the box body 11 includes bolt connection, and at least some of the bolts 17 are disposed through the reinforcing plate 14 , the top cover 12 , and the box body 11 .
- At least some of the bolts 17 are passed through the reinforcing plate 14, the top cover 12 and the box body 11. It can be considered that some of the multiple bolts 17 are passed through the reinforcing plate 14, the top cover 12 and the box body 11; it can also be considered that all of the multiple bolts 17 are passed through the reinforcing plate 14, the top cover 12 and the box body 11.
- the reinforcing plate 14 by passing bolts 17 through the reinforcing plate 14, the top cover 12 and the box body 11, the reinforcing plate 14, the top cover 12 and the box body 11 can be connected, which can further improve the structural strength of the top cover 12, and further enhance the connection strength between the reinforcing plate 14, the top cover 12 and the box body 11, further improving the stability and reliability of the overall structure of the battery box 1.
- the reinforcement structure 1a includes a reinforcement beam 13, and the connection method between the top cover 12 and the box body 11 includes a bolt connection, and at least some of the bolts 17 are passed through the reinforcement beam 13, the reinforcement plate 14, the top cover 12 and the box body 11.
- At least some of the bolts 17 are inserted through the reinforcing beam 13, the reinforcing plate 14, the top cover 12 and the box body 11. It can be considered that Some of the multiple bolts 17 are inserted through the reinforcing beam 13 , the reinforcing plate 14 , the top cover 12 and the box body 11 ; it can also be considered that the multiple bolts 17 are all inserted through the reinforcing beam 13 , the reinforcing plate 14 , the top cover 12 and the box body 11 .
- the reinforcing beam 13, the reinforcing plate 14, the top cover 12 and the box body 11 can be connected, which can further improve the structural strength of the top cover 12, and better enhance the connection strength between the reinforcing plate 14, the top cover 12 and the box body 11, thereby better improving the structural stability and reliability of the battery box 1.
- the battery 100 is used in a vehicle 1000 and is adapted to be mounted on the bottom of a vehicle body, and the roof 12 is used to constitute at least a portion of a floor of the vehicle 1000 .
- the roof cover 12 is used to constitute at least a part of the floor of the vehicle 1000 , which means that the roof cover 12 may constitute a part of the floor of the vehicle 1000 ; or, the roof cover 12 may constitute the entirety of the floor of the vehicle 1000 .
- the upper part of the battery cell 20 is connected to the top cover 12, which can enhance the rigidity and structural strength of the top cover 12, improve the load-bearing capacity of the top cover 12, and reduce the degree of deformation of the top cover 12 under stress; and enhance the structural strength of the floor of the vehicle 1000 to improve the side collision resistance of the entire vehicle.
- the present application proposes a vehicle 1000 , comprising: the battery 100 described above.
- the battery 100 can provide electrical energy for the vehicle 1000 , and the battery 100 can serve as a driving power source for the vehicle 1000 , providing driving force for the vehicle 1000 .
- the battery 100 when the battery 100 is used in the vehicle 1000, the battery 100 may be disposed at the bottom of the vehicle 1000.
- the battery 100 may be used to power the vehicle 1000, for example, the battery 100 may be used as an operating power source for the vehicle 1000 and used in the circuit system of the vehicle 1000.
- the vehicle 1000 may also include a controller and a motor, and the controller is used to control the battery 100 to power the motor, for example, for starting, navigating, and driving the vehicle 1000.
- the upper part of a part of the battery cells 20 is fixedly connected to the top cover 12, which can enhance the rigidity and structural strength of the top cover 12, reduce the deformation of the top cover 12 when the battery 100 is subjected to stress, reduce the possibility of damage to the top cover 12, improve the safety performance of the battery 100, and reduce the impact on the service life of the battery 100.
- a battery 100 is used in a vehicle 1000 and is suitable for installation at the bottom of the vehicle body.
- the battery 100 includes a battery case 1 and a plurality of battery rows 2.
- the plurality of battery rows 2 are arranged along a first direction.
- Each battery row 2 includes a plurality of battery cells 20 arranged along a second direction.
- the first direction is the left-right direction
- the second direction is the front-back direction.
- the battery case 1 includes a case body 11 and a top cover 12, the top cover 12 is arranged on the top of the case body 11, and the top cover 12 can constitute at least part of the floor of the vehicle 1000.
- a receiving cavity 15 is defined between the top cover 12 and the case body 11, and a battery cell 20 is inverted in the receiving cavity 15 of the battery case 1.
- the battery cell 20 includes a body 21 and an electrode terminal 22, the electrode terminal 22 is arranged on the lower side of the body 21, and the upper surface of the body 21 is bonded to the top cover 12.
- a reinforcing structure 1a is provided on the top cover 12, a portion of the reinforcing structure 1a is close to the outer edge of the top cover 12, a portion of the reinforcing structure 1a is located in the middle of the top cover 12, the reinforcing structure 1a and the top cover 12 are independently formed, and the reinforcing structure 1a and the top cover 12 are detachably connected.
- the reinforcing structure 1a includes a plurality of reinforcing beams 13 and a plurality of reinforcing plates 14, the plurality of reinforcing beams 13 are arranged along the second direction, the reinforcing beams 13 extend along the first direction, and the reinforcing plates 14 extend along the second direction.
- the top cover 12 is provided with four reinforcing beams 13 arranged in the front-to-back direction.
- the reinforcing beams 13 and the top cover 12 are formed independently and are detachably connected to the top cover 12.
- the reinforcing beams 13 have a cavity structure, and the cross section of the reinforcing beams 13 is in the shape of a Chinese character " ⁇ ".
- the four reinforcing beams 13 include two first reinforcing beams 131 and two second reinforcing beams 132.
- the first reinforcing beams 131 are The structural strength is greater than that of the second reinforcing beam 132.
- the portion of the top cover 12 opposite to the seat of the vehicle 1000 is the seat mounting portion 120, the two first reinforcing beams 131 are provided at the seat mounting portion 120, the two second reinforcing beams 132 are located at the front and rear sides of the first reinforcing beam 131, and one of the first reinforcing beams 131 is close to the front edge of the top cover 12, and the other first reinforcing beam 131 is close to the rear edge of the top cover 12.
- the reinforcing plate 14 and the top cover 12 are independently formed, and the reinforcing plate 14 and the top cover 12 are detachably connected.
- the reinforcing plate 14 and the top cover 12 are stacked in the up and down direction, and the reinforcing plate 14 is close to the outer edge of the top cover 12.
- the connection method between the top cover 12 and the box body 11 includes a bolt connection, the bolt 17 is an M8 bolt, there are multiple bolts 17, and the multiple bolts 17 are arranged at intervals along the circumference of the top cover 12. Some of the bolts 17 are passed through the reinforcing beam 13, the reinforcing plate 14, the top cover 12 and the box body 11.
- the box body 11 includes a bottom guard plate 16 and a side beam 110.
- the side beam 110 surrounds the outer peripheral side of the accommodating cavity 15.
- the top cover 12 is connected to the top of the side beam 110.
- the side beam 110 is spaced apart from the battery cell 20.
- a buffer structure 3 is provided between the side beam 110 and the battery cell 20.
- the buffer structure 3 includes a buffer block 31.
- the buffer block 31 is a rubber block. Structural adhesive is filled between the buffer block 31 and the top cover 12, the side beam 110 and the battery cell 20.
- the bottom guard plate 16 includes a main body 161 and a connecting part 162.
- the connecting part 162 surrounds the outer peripheral side of the main body 161.
- the connecting part 162 is located below the side beam 110 and is connected to the side beam 110 by bolts.
- the main body 161 is located below the battery cell 20 and is spaced apart from the battery cell 20.
- the rigidity and structural strength of the top cover 12 can be enhanced, the deformation of the top cover 12 can be reduced when the battery 100 is subjected to force, the possibility of damage to the top cover 12 can be reduced, the safety performance of the battery 100 can be improved, and the impact on the service life of the battery 100 can be reduced.
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Abstract
一种电池(100)和车辆(1000)，电池(100)包括：电池箱体(1)和至少一个电池单体(20)，电池箱体(1)包括箱体主体(11)和顶盖(12)，顶盖(12)盖设于箱体主体(11)的顶部，且顶盖(12)与箱体主体(11)之间限定出容纳腔(15)；所有电池单体(20)均设于容纳腔(15)，至少部分电池单体(20)的上部与顶盖(12)固定连接。
Description
相关申请的交叉引用
本申请基于申请号为202310658845.9，申请日为2023年06月05日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
本申请涉及电池技术领域，尤其是涉及一种电池和车辆。
相关技术中，电池的顶盖的刚度和结构强度不足，当顶盖受到作用力时，顶盖容易发生严重变形甚至损坏，这样会影响电池的工作性能，降低电池的安全性和可靠性，降低电池的使用寿命。
发明内容
本申请提供一种电池和车辆，电池单体的上部与顶盖连接，可以增强顶盖的刚度和结构强度，在电池受力的情况下降低顶盖损坏的可能性，提升电池的安全性能。
第一方面，本申请提供一种电池，包括：电池箱体，所述电池箱体包括箱体主体和顶盖，所述顶盖盖设于所述箱体主体的顶部且与所述箱体主体之间限定出容纳腔；至少一个电池单体，所有所述电池单体均设于所述容纳腔，至少部分所述电池单体的上部与所述顶盖固定连接。
在上述技术方案中，通过至少部分电池单体的上部与顶盖固定连接，可以增强顶盖的刚度和结构强度，在电池受力的情况下减少顶盖变形，降低顶盖损坏的可能性，提升电池的安全性能，减少对电池的使用寿命的影响。
在一些实施例中，所述电池单体的上部通过粘接的方式固定连接于所述顶盖。
在上述技术方案中，通过电池单体的上部与顶盖粘接，可以增强电池单体与顶盖之间的连接稳定性，并且方便操作。
在一些实施例中，所述电池单体包括本体和电极端子，所述电极端子设于所述本体的下侧，所述本体的上表面与所述顶盖连接。
在上述技术方案中，电极端子设于本体的下侧，本体的上表面与顶盖连接，在增强顶盖的结构强度的同时，还可以使得电极端子远离顶盖，降低顶盖变形挤压电极端子的可能性，提升电池单体的安全性。
在一些实施例中，所述顶盖与所述箱体主体之间的连接方式包括焊接、FDS连接、螺栓连接和粘接中的至少一种。
顶盖与箱体主体之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的至少一种，通过上述连接方式将顶盖与箱体主体之间连接，可以增强顶盖与箱体主体之间的连接稳定性，从而提升电池箱体结构的稳定性，并且方便操作。
在一些实施例中，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接。
在上述技术方案中，顶盖与箱体主体之间通过螺栓连接，螺栓的抗剪切能力较好，使得顶盖与箱体主体之间的连接强度较高，增强顶盖与箱体主体之间的连接稳定性，以提升电池箱体整体结构的稳定性和可靠性，有助于提升电池的安全性；另外，这种连接方式使得顶盖与箱体主体之间可拆卸，方便对顶盖或箱体主体进行更换或维护，也方便对容纳腔内的电池单体进行维护。
在一些实施例中，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，所述螺栓为至少两个，至少两个所述螺栓沿所述顶盖的周向间隔设置。
在上述技术方案中，通过至少两个螺栓沿顶盖的周向间隔设置，可以沿顶盖的周向将顶盖与箱体主体之间连接，顶盖和箱体主体之间的连接稳定性更强，以进一步提升电池箱体整体结构的稳定性和可靠性，可以进一步提升电池的安全性。
在一些实施例中，所述箱体主体包括环绕在所述容纳腔的外周侧的边梁，所述顶盖连接在所述边梁的顶部，所述边梁的至少部分与所述电池单体间隔开；所述边梁与所述电池单体之间设有缓冲结构。
在上述技术方案中，通过边梁与电池单体间隔开，可以阻断边梁与电池单体之间作用力的传递，例如在边梁受到碰撞力时，边梁不容易将碰撞力传递给电池单体，这样可以提高电池单体的安全性；并且边梁与电池单体间隔开，使得边梁具有变形空间，当边梁受力变形时，可以降低边梁挤压电池单体的可能性，可以进一步保证电池的安全性和可靠性；另外，缓冲结构可以吸收碰撞能量，在电池遭受碰撞时，边梁受到作用力，并且边梁可以将作用力传递给缓冲结构，通过缓冲结构吸收碰撞能量，使得传递至电池单体的作用力较小，可以提升电池单体的安全性，从而提高电池的安全性。
在一些实施例中，所述缓冲结构包括缓冲块；所述缓冲块包括橡胶块、泡沫块、海绵块中的至少一种。
在上述技术方案中，缓冲块可以吸收碰撞能量，在电池遭受碰撞时，边梁受到作用力，并且边梁可以将作用力传递给缓冲结构，通过缓冲结构的缓冲块吸收碰撞能量，使得传递至电池单体的作用力较小，可以提升电池单体的安全性，从而提高电池的安全性；并且橡胶块、泡沫块以及海绵块的成本较低。
在一些实施例中，所述缓冲块与所述顶盖、所述边梁以及所述电池单体中的至少一个之间填充有结构胶。
在上述技术方案中，缓冲块与顶盖、边梁以及电池单体中的至少一个之间填充有结构胶，这样可以将缓冲块与顶盖、边梁以及电池单体粘接，方便缓冲块的安装，并且可以提升电池整体的结构强度和稳定性；例如，在电池用于车辆的情况下，电池设于车身的底部，电池的顶盖构成车辆的地板的至少部分，在车辆遭受侧碰时，缓冲结构可以吸收部分碰撞能量，减轻碰撞力对电池的影响，从而可以减轻碰撞力对车辆的地板的影响，以提升整车的抗侧碰能力。
在一些实施例中，所述箱体主体包括底护板以及环绕在所述容纳腔的外周侧的边梁，所述底护板连接在所述边梁的底部，所述底护板包括主体部和连接部，所述连接部环绕在所述主体部的外周侧，所述连接部位于所述边梁的下方且与所述边梁连接，所述主体部位于所述电池单体的下方且与所述电池单体间隔开；所述顶盖上设有加强结构。
在上述技术方案中，通过底护板的连接部与边梁连接，可以将底护板与边梁连接；通
过主体部与电池单体间隔开，使得主体部与电池单体之间具有缓冲吸能空间，当主体部受到作用力时，主体部可以发生变形以吸收部分能量，缓冲吸能空间可以吸收部分碰撞能量，可以降低主体部挤压电池单体的可能性，以进一步提升电池单体的安全性。另外，通过在顶盖上设置加强结构，可以进一步提高顶盖的刚度以及结构强度，在电池受力的情况下进一步降低顶盖损坏的可能性，提升电池的安全性能，例如，电池用于车辆且适于安装于车身的底部，电池的顶盖可以构成车辆的地板的至少部分，顶盖的结构强度进一步增强，这样可以提高顶盖对于座椅的承载能力，并且地板的结构强度进一步增强，可以进一步提高整车的抗侧碰能力。。
在一些实施例中，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，所述螺栓穿设于所述加强结构、所述顶盖以及所述箱体主体。
在上述技术方案中，通过螺栓穿设于加强结构、顶盖以及箱体主体，可以将加强结构、顶盖以及箱体主体之间连接，可以进一步提高顶盖的结构强度，并且进一步增强加强结构、顶盖以及箱体主体之间的连接强度，进一步提升电池箱体整体结构的稳定性和可靠性。
在一些实施例中，所述加强结构包括加强梁，所述加强梁沿第一方向延伸，所述第一方向与上下方向相交。
在上述技术方案中，通过加强梁沿第一方向延伸，可以沿第一方向提升顶盖的结构强度，有助于提高顶盖整体的结构强度，减小顶盖受力损坏的可能性。
在一些实施例中，所述加强梁为多个，多个所述加强梁沿第二方向排布，所述第二方向与上下方向相交且与所述第一方向相交；多个所述加强梁中的至少部分位于所述顶盖的沿所述第二方向的至少一端。
在上述技术方案中，通过多个加强梁沿第二方向排布，可以沿第二方向提升顶盖的结构强度，这样可以提高顶盖整体的结构强度，进一步减小顶盖受力损坏的可能性；通过多个加强梁中的至少部分位于顶盖的沿第二方向的至少一端，可以增强顶盖的沿第二方向的相对两端的结构强度，从而增强顶盖的整体的结构强度，提升电池的安全性能。
在一些实施例中，所述电池适于安装于车身的底部，所述第一方向为左右方向，所述第二方向为前后方向，所述顶盖与车辆的座椅相对的部分为座椅安装部，多个所述加强梁中的至少部分位于所述座椅安装部。
在上述技术方案中，通过多个加强梁中的至少部分位于座椅安装部，可以增强座椅安装部的刚度以及承重能力，使得电池的顶盖可以更好地承载座椅载荷，降低顶盖承受的载荷过大而发生变形的风险；例如，当电池的顶盖构成车辆的地板的至少部分时，顶盖上设置加强梁，使得车辆的地板的结构强度增加，在提高顶盖的承重能力的同时，还可以增强整车的抗侧碰能力。
在一些实施例中，多个所述加强梁包括第一加强梁和第二加强梁，所述第一加强梁位于所述座椅安装部，所述第二加强梁位于所述第一加强梁的沿所述第二方向的至少一侧，所述第一加强梁的结构强度大于所述第二加强梁的结构强度。
在上述技术方案中，通过第一加强梁的结构强度大于第二加强梁的结构强度，可以进一步增强座椅安装部的结构强度和承重能力，使得电池的顶盖可以更好地承载座椅载荷，进一步降低顶盖承受的载荷过大而发生变形的风险。
在一些实施例中，所述加强结构与所述顶盖可拆卸连接。
在上述技术方案中，通过加强结构与顶盖可拆卸连接，方便加强结构与顶盖之间的拆装，方便对加强结构或顶盖进行更换或维护。
在一些实施例中，所述加强结构包括加强板，所述加强板与所述顶盖在上下方向上叠置。
在上述技术方案中，通过在顶盖上设置加强板，可以增强顶盖的结构强度以及承重能力，进一步提升电池的安全性能。
在一些实施例中，所述加强板沿第二方向延伸，所述第二方向与上下方向相交；所述加强板为多个，多个所述加强板中的至少部分位于所述顶盖的沿第一方向的至少一端。
在上述技术方案中，通过加强板沿第二方向延伸，可以沿第二方向提升顶盖的结构强度，有利于提升顶盖整体的结构强度，可以降低顶盖受力损坏的可能性，进一步提升电池的安全性；通过多个加强板中的至少部分位于顶盖的沿第一方向的至少一端，可以增强顶盖的外边沿的结构强度，当电池的顶盖受到作用力时，顶盖不容易发生变形，这样有利于提升电池的安全性能，减少对电池的使用寿命的影响。
在一些实施例中，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，至少部分所述螺栓穿设于所述加强板、所述顶盖以及所述箱体主体。
在上述技术方案中，通过螺栓穿设于加强板、顶盖以及箱体主体，可以将加强板、顶盖以及箱体主体之间连接，可以进一步提高顶盖的结构强度，并且进一步增强加强板、顶盖以及箱体主体之间的连接强度，进一步提升电池箱体整体结构的稳定性和可靠性。
在一些实施例中，所述加强结构包括加强梁，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，至少部分所述螺栓穿设于所述加强梁、所述加强板、所述顶盖以及所述箱体主体。
在上述技术方案中，通过至少部分螺栓穿设于加强梁、加强板、顶盖以及箱体主体，可以将加强梁、加强板、顶盖以及箱体主体之间连接，可以更进一步提高顶盖的结构强度，并且更好地增强加强板、顶盖以及箱体主体之间的连接强度，更好地提升电池箱体的结构的稳定性和可靠性。
在一些实施例中，所述电池用于车辆且适于安装于车身的底部，所述顶盖用于构成所述车辆的地板的至少部分。
在上述技术方案中，电池单体的上部与顶盖连接，可以增强顶盖的刚度和结构强度，提高顶盖的承重能力，减轻顶盖受力变形的程度；并且增强车辆的地板的结构强度，以提高整车的抗侧碰能力。
第二方面，本申请提出一种车辆，包括：上述的电池。
在上述技术方案中，通过采用上述的电池，至少部分电池单体的上部与顶盖固定连接，可以增强顶盖的刚度和结构强度，在电池受力的情况下减少顶盖变形，降低顶盖损坏的可能性，提升电池的安全性能，减少对电池的使用寿命的影响。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显
和容易理解，其中：
图1是根据本申请一些实施例的电池的结构示意图；
图2是图1中电池的剖面图；
图3是图1中电池的爆炸图；
图4是图1中电池的部分结构的示意图；
图5是图4中B处的放大图；
图6是沿图5中A-A线的剖面图；
图7是根据本申请一些实施例的车辆的结构示意图。
附图标记：
1000、车辆；
100、电池；
1、电池箱体；11、箱体主体；110、边梁；12、顶盖；120、座椅安装部；1a、加强结
构；13、加强梁；131、第一加强梁；132、第二加强梁；14、加强板；15、容纳腔；16、底护板；161、主体部；162、连接部；17、螺栓；
2、电池排；20、电池单体；21、本体；22、电极端子；
3、缓冲结构；31、缓冲块。
1000、车辆；
100、电池；
1、电池箱体；11、箱体主体；110、边梁；12、顶盖；120、座椅安装部；1a、加强结
构；13、加强梁；131、第一加强梁；132、第二加强梁；14、加强板；15、容纳腔；16、底护板；161、主体部；162、连接部；17、螺栓；
2、电池排；20、电池单体；21、本体；22、电极端子；
3、缓冲结构；31、缓冲块。
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
除非另有定义，本申请所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本申请中在申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。本申请的说明书和权利要求书或上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序或主次关系。
在本申请中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“附接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
本申请中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本申请中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请的实施例中，相同的附图标记表示相同的部件，并且为了简洁，在不同实施例中，省略对相同部件的详细说明。应理解，附图示出的本申请实施例中的各种部件的厚度、长宽等尺寸，以及集成装置的整体厚度、长宽等尺寸仅为示例性说明，而不应对本申请构成任何限定。
本申请中出现的“多个”指的是两个以及以上(包括两个)。
本申请中，电池100是指包括一个或多个电池单体20以提供更高的电压和容量的单一的物理模块。例如，本申请中所提到的电池100可以包括电池模组或电池100包等。一些电池100可以包括用于封装一个或多个电池单体20或多个电池模组的电池箱体1，电池箱体1可以避免液体或其他异物影响电池单体20的充电或放电。
本申请中，电池单体20可以包括锂离子二次电池、锂离子一次电池、锂硫电池100、钠锂离子电池、钠离子电池或镁离子电池等，本申请实施例对此并不限定。电池单体20可呈圆柱体、扁平体、长方体或其它形状等，本申请实施例对此也不限定。电池单体20一般按封装的方式分成三种：柱形电池单体、方形电池单体和软包电池单体，本申请实施例对此也不限定。
相关技术中，电池的顶盖的刚度和结构强度不足，当顶盖受到作用力时，顶盖容易发生严重变形甚至损坏，这样会影响电池的工作性能，降低电池的安全性和可靠性，降低电池的使用寿命。
基于此，申请人提出了一种电池100，包括：电池箱体1和至少一个电池单体20，电池箱体1包括箱体主体11和顶盖12，顶盖12盖设于箱体主体11的顶部，且顶盖12与箱体主体11之间限定出容纳腔15；所有电池单体20均设于容纳腔15，至少部分电池单体20的上部与顶盖12固定连接。
在上述这种结构的电池100中，至少部分电池单体20的上部与顶盖12固定连接，可以增强顶盖12的刚度和结构强度，在电池100受力的情况下减少顶盖12变形，降低顶盖12损坏的可能性，提升电池100的安全性能，减少对电池100的使用寿命的影响。
本申请实施例公开的车辆1000可以是燃油车辆、燃气车辆、新能源车辆或轨道车辆，新能源车辆可以是纯电动车辆、混合动力车辆或增程式车辆等。
下面参考附图描述根据本申请实施例的电池100。
参照图1-6，第一方面，本申请提供一种电池100，包括：电池箱体1和至少一个电池单体20，电池箱体1包括箱体主体11和顶盖12，顶盖12盖设于箱体主体11的顶部，且顶盖12与箱体主体11之间限定出容纳腔15；所有电池单体20均设于容纳腔15，至少部分电池单体20的上部与顶盖12固定连接。
可选地，上述的电池100可以用于车辆1000且适于安装于车身的底部，电池100的顶盖12可以构成车辆1000的地板的至少部分，这样可以实现CTB(Cell to Body，电池和车身一体化)。当电池100的顶盖12的结构强度较大时，车辆1000的地板的结构强度也较大，这样有利于提升整车的抗侧碰能力。
至少一个电池单体20是指，电池单体20可以为一个；或者，电池单体20也可以为多个。例如，当电池单体20为多个时，多个电池单体20排列形成多个电池排2，多个电池排2沿第一方向(例如参照附图中的e1方向)排布，每个电池排2包括沿第二方向(例如参照附图中的e2方向)排布的多个电池单体20，第二方向与第一方向相交。
至少部分电池单体20的上部与顶盖12固定连接，可以认为，所有电池单体20的上部均与顶盖12固定连接；也可以认为，一部分电池单体20的上部与顶盖12固定连接。
在上述技术方案中，通过至少部分电池单体20的上部与顶盖12固定连接，可以增强顶盖12的刚度和结构强度，在电池100受力的情况下减少顶盖12变形，降低顶盖12损坏的可能性，提升电池100的安全性能，减少对电池100的使用寿命的影响。
在一些实施例中，参照图6，电池单体20的上部通过粘接的方式固定连接于顶盖12。
在上述技术方案中，通过电池单体20的上部与顶盖12粘接，可以增强电池单体20与顶盖12之间的连接稳定性，并且方便操作。
在一些实施例中，参照图6，电池单体20包括本体21和电极端子22，电极端子22设于本体21的下侧，本体21的上表面与顶盖12连接。
例如，本体21的上表面与顶盖12粘接。
在上述技术方案中，电极端子22设于本体21的下侧，本体21的上表面与顶盖12连接，在增强顶盖12的结构强度的同时，还可以使得电极端子22远离顶盖12，降低顶盖12变形挤压电极端子22的可能性，提升电池单体20的安全性。
在一些实施例中，顶盖12与箱体主体11之间的连接方式包括焊接、FDS连接、螺栓连接和粘接中的至少一种。
顶盖12与箱体主体11之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的至少一种，可以认为，顶盖12与箱体主体11之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的其中一种；也可以认为，顶盖12与箱体主体11之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的其中两种；也可以认为，顶盖12与箱体主体11之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的其中三种；也可以认为，顶盖12与箱体主体11之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接这四种。
在上述技术方案中，顶盖12与箱体主体11之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的至少一种，通过上述连接方式将顶盖12与箱体主体11之间连接，可以增强顶盖12与箱体主体11之间的连接稳定性，从而提升电池箱体1结构的稳定性，并且方便操作。
在一些实施例中，参照图6，顶盖12与箱体主体11之间的连接方式包括螺栓连接。
例如，螺栓17为M6螺栓或M8螺栓。
顶盖12与箱体主体11之间的连接方式包括螺栓连接，可以认为，顶盖12与箱体主体11通过螺栓连接的同时，还可以通过其他方式连接，例如上述的焊接、自攻钉连接或者粘接等。
例如，在电池用于车辆的情况下，电池设于车身的底部，电池的顶盖可以构成车辆的地板的至少部分，当车辆遭受侧碰时，电池容易受到剪切力，即顶盖和箱体主体受到剪切力，使得顶盖与箱体主体之间的连接结构容易受到剪切力的破坏，电池箱体整体的稳定性降低，并且影响电池的安全性。
在上述技术方案中，顶盖12与箱体主体11之间通过螺栓连接，螺栓17的抗剪切能力较好，使得顶盖12与箱体主体11之间的连接强度较高，增强顶盖12与箱体主体11之间的连接稳定性，以提升电池箱体1整体结构的稳定性和可靠性，有助于提升电池100的安全性；另外，这种连接方式使得顶盖12与箱体主体11之间可拆卸，方便对顶盖12或箱体
主体11进行更换或维护，也方便对容纳腔15内的电池单体20进行维护。
在一些实施例中，参照图1，顶盖12与箱体主体11之间的连接方式包括螺栓连接，螺栓17为至少两个，至少两个螺栓17沿顶盖12的周向间隔设置。
螺栓17为至少两个是指，螺栓17为两个或两个以上。
在上述技术方案中，通过至少两个螺栓17沿顶盖12的周向间隔设置，可以沿顶盖12的周向将顶盖12与箱体主体11之间连接，顶盖12和箱体主体11之间的连接稳定性更强，以进一步提升电池箱体1整体结构的稳定性和可靠性，可以进一步提升电池100的安全性。
在一些实施例中，参照图3-图6，箱体主体11包括环绕在容纳腔15的外周侧的边梁110，顶盖12连接在边梁110的顶部，边梁110的至少部分与电池单体20间隔开；边梁110与电池单体20之间设有缓冲结构3。
边梁110的至少部分与电池单体20间隔开是指，边梁110的一部分与电池单体20间隔开；或者，边梁110整体与电池单体20间隔开。
在上述技术方案中，通过边梁110与电池单体20间隔开，可以阻断边梁110与电池单体20之间作用力的传递，例如在边梁110受到碰撞力时，边梁110不容易将碰撞力传递给电池单体20，这样可以提高电池单体20的安全性；并且边梁110与电池单体20间隔开，使得边梁110具有变形空间，当边梁110受力变形时，可以降低边梁110挤压电池单体20的可能性，可以进一步保证电池100的安全性和可靠性；另外，缓冲结构3可以吸收碰撞能量，在电池100遭受碰撞时，边梁110受到作用力，并且边梁110可以将作用力传递给缓冲结构3，通过缓冲结构3吸收碰撞能量，使得传递至电池单体20的作用力较小，可以提升电池单体20的安全性，从而提高电池100的安全性。
在一些实施例中，参照图6，缓冲结构3包括缓冲块31；缓冲块31包括橡胶块、泡沫块、海绵块中的至少一种。
缓冲块31包括橡胶块、泡沫块、海绵块中的至少一种是指，缓冲块31包括橡胶块、泡沫块、海绵块中的其中一种；或者，缓冲块31包括橡胶块、泡沫块、海绵块中的其中两种；或者，缓冲块31包括橡胶块、泡沫块和海绵块这三种。
在上述技术方案中，缓冲块31可以吸收碰撞能量，在电池100遭受碰撞时，边梁110受到作用力，并且边梁110可以将作用力传递给缓冲结构3，通过缓冲结构3的缓冲块31吸收碰撞能量，使得传递至电池单体20的作用力较小，可以提升电池单体20的安全性，从而提高电池100的安全性；并且橡胶块、泡沫块以及海绵块的成本较低。
在一些实施例中，缓冲块31与顶盖12、边梁110以及电池单体20中的至少一个之间填充有结构胶。
缓冲块31与顶盖12、边梁110以及电池单体20中的至少一个之间填充有结构胶，是指，缓冲块31与顶盖12、边梁110以及电池单体20中的其中一个之间填充有结构胶；或者，缓冲块31与顶盖12、边梁110以及电池单体20中的任意两个之间填充有结构胶；或者，缓冲块31与顶盖12、边梁110以及电池单体20中之间均填充有结构胶。
例如，在本申请的一些实施例中，缓冲块31与顶盖12、边梁110以及电池单体20中之间均填充有结构胶。
在上述技术方案中，缓冲块31与顶盖12、边梁110以及电池单体20中的至少一个之间填充有结构胶，这样可以将缓冲块31与顶盖12、边梁110以及电池单体20粘接，方便
缓冲块31的安装，并且可以提升电池100整体的结构强度和稳定性；例如，在电池100用于车辆1000的情况下，电池100设于车身的底部，电池100的顶盖12构成车辆1000的地板的至少部分，在车辆1000遭受侧碰时，缓冲结构3可以吸收部分碰撞能量，减轻碰撞力对电池100的影响，从而可以减轻碰撞力对车辆1000的地板的影响，以提升整车的抗侧碰能力。
在一些实施例中，参照图6，箱体主体11包括底护板16以及边梁110，边梁110环绕在容纳腔15的外周侧，底护板16连接在边梁110的底部，底护板16包括主体部161和连接部162，连接部162环绕在主体部161的外周侧，连接部162位于边梁110的下方且与边梁110连接，主体部161位于电池单体20的下方，且主体部161与电池单体20间隔开；顶盖12上设有加强结构1a。
在上述技术方案中，通过底护板16的连接部162与边梁110连接，可以将底护板16与边梁110连接；通过主体部161与电池单体20间隔开，使得主体部161与电池单体20之间具有缓冲吸能空间，当主体部161受到作用力时，主体部161可以发生变形以吸收部分能量，缓冲吸能空间可以吸收部分碰撞能量，可以降低主体部161挤压电池单体20的可能性，以进一步提升电池单体20的安全性。另外，通过在顶盖12上设置加强结构1a，可以进一步提高顶盖12的刚度以及结构强度，在电池100受力的情况下进一步降低顶盖12损坏的可能性，提升电池100的安全性能；例如，电池100用于车辆1000且适于安装于车身的底部，电池100的顶盖12可以构成车辆1000的地板的至少部分，顶盖12的结构强度进一步增强，这样可以提高顶盖12对于座椅的承载能力，并且地板的结构强度进一步增强，可以进一步提高整车的抗侧碰能力。
在一些实施例中，参照图6，顶盖12与箱体主体11之间的连接方式包括螺栓连接，螺栓17穿设于加强结构1a、顶盖12以及箱体主体11。
顶盖12与箱体主体11之间的连接方式包括螺栓连接，可以认为，顶盖12与箱体主体11通过螺栓连接的同时，还可以通过其他方式连接，例如焊接或者粘接等。
在上述技术方案中，通过螺栓17穿设于加强结构1a、顶盖12以及箱体主体11，可以将加强结构1a、顶盖12以及箱体主体11之间连接，可以进一步提高顶盖12的结构强度，并且进一步增强加强结构1a、顶盖12以及箱体主体11之间的连接强度，进一步提升电池箱体1整体结构的稳定性和可靠性。
在一些实施例中，参照图6，加强结构1a包括加强梁13，加强梁13沿第一方向延伸，第一方向与上下方向相交。
例如，加强梁13具有空腔结构，加强梁13的横截面呈“几”字型。
在上述技术方案中，通过加强梁13沿第一方向延伸，可以沿第一方向提升顶盖12的结构强度，有助于提高顶盖12整体的结构强度，减小顶盖12受力损坏的可能性。
在一些实施例中，参照图3和图4，加强梁13为多个，多个加强梁13沿第二方向排布，第二方向与上下方向相交且与第一方向相交；多个加强梁13中的至少部分位于顶盖12的沿第二方向的至少一端。
多个加强梁13中的至少部分位于顶盖12的沿第二方向的至少一端，可以认为，多个加强梁13均位于顶盖12的沿第二方向的其中一端；也可以认为，多个加强梁13均位于顶盖12的沿第二方向的另一端；也可以认为，多个加强梁13中的一部分位于顶盖12的沿第
二方向的其中一端，多个加强梁13中的另一部分位于顶盖12的沿第二方向的另一端；也可以认为，多个加强梁13中的一部分位于顶盖12的沿第二方向的相对两端，多个加强梁13中的另一部分靠近顶盖12的沿第二方向的中部。
例如，参照图3和图4，在本申请的一些实施例中，加强梁13可以为四个，四个加强梁13沿第二方向间隔排布，第二方向垂直于上下方向，且第二方向垂直于第一方向。其中一个加强梁13位于顶盖12的沿第二方向的其中一端，另一个加强梁13位于顶盖12的沿第二方向的另一端，另外两个加强梁13位于顶盖12的沿第二方向的中部。
在上述技术方案中，通过多个加强梁13沿第二方向排布，可以沿第二方向提升顶盖12的结构强度，这样可以提高顶盖12整体的结构强度，进一步减小顶盖12受力损坏的可能性；通过多个加强梁13中的至少部分位于顶盖12的沿第二方向的至少一端，可以增强顶盖12的沿第二方向的相对两端的结构强度，从而增强顶盖12的整体的结构强度，提升电池100的安全性能。
在一些实施例中，参照图3和图4，电池100适于安装于车身的底部，第一方向为左右方向，第二方向为前后方向，顶盖12与车辆1000的座椅相对的部分为座椅安装部120，多个加强梁13中的至少部分位于座椅安装部120。
多个加强梁13中的至少部分位于座椅安装部120，可以认为，多个加强梁13全部位于座椅安装部120；或者，多个加强梁13中的一部分位于座椅安装部120，例如，四个加强梁13中的其中两个位于座椅安装部120。
在上述技术方案中，通过多个加强梁13中的至少部分位于座椅安装部120，可以增强座椅安装部120的刚度以及承重能力，使得电池100的顶盖12可以更好地承载座椅载荷，降低顶盖12承受的载荷过大而发生变形的风险；例如，当电池100的顶盖12构成车辆1000的地板的至少部分时，顶盖12上设置加强梁13，使得车辆1000的地板的结构强度增加，在提高顶盖12的承重能力的同时，还可以增强整车的抗侧碰能力。
在一些实施例中，参照图3和图4，多个加强梁13包括第一加强梁131和第二加强梁132，第一加强梁131位于座椅安装部120，第二加强梁132位于第一加强梁131的沿第二方向的至少一侧，第一加强梁131的结构强度大于第二加强梁132的结构强度。
第二方向为前后方向，第二加强梁132位于第一加强梁131的沿第二方向的至少一侧，是指，第二加强梁132位于第一加强梁131的前侧；或者，第二加强梁132位于第一加强梁131的后侧；或者，第二加强梁132位于第一加强梁131的前后两侧。
例如，第一加强梁131为两个，两个第一加强梁131位于座椅安装部120；第二加强梁132为两个，当第二加强梁132位于第一加强梁131的前后两侧时，其中一个第二加强梁132位于第一加强梁131的前侧，另一个第二加强梁132位于第一加强梁131的后侧。第一加强梁131的宽度可以大于第二加强梁132的宽度，使得第一加强梁131的结构强度大于第二加强梁132的结构强度。
在上述技术方案中，通过第一加强梁131的结构强度大于第二加强梁132的结构强度，可以进一步增强座椅安装部120的结构强度和承重能力，使得电池100的顶盖12可以更好地承载座椅载荷，进一步降低顶盖12承受的载荷过大而发生变形的风险。
在一些实施例中，参照图6，加强结构1a与顶盖12可拆卸连接。
例如，加强结构1a与顶盖12可以通过螺栓连接。
在上述技术方案中，通过加强结构1a与顶盖12可拆卸连接，方便加强结构1a与顶盖12之间的拆装，方便对加强结构1a或顶盖12进行更换或维护。
在一些实施例中，参照图4和图5，加强结构1a包括加强板14，加强板14与顶盖12在上下方向上叠置。
例如，加强板14叠置于顶盖12的上侧。
在上述技术方案中，通过在顶盖12上设置加强板14，可以增强顶盖12的结构强度以及承重能力，进一步提升电池100的安全性能。
在一些实施例中，参照图4，加强板14沿第二方向延伸，第二方向与上下方向相交；加强板14为多个，多个加强板14中的至少部分位于顶盖12的沿第一方向的至少一端。
例如，第二方向与上下方向垂直。
多个加强板14中的至少部分位于顶盖12的沿第一方向的至少一端，可以认为，多个加强板14均位于顶盖12的沿第一方向的其中一端；也可以认为，多个加强板14均位于顶盖12的沿第一方向的另一端；也可以认为，多个加强板14的一部分位于顶盖12的沿第一方向的其中一端，多个加强板14的另一部分位于顶盖12的沿第一方向的另一端；也可以认为，多个加强板14的一部分位于顶盖12的沿第一方向的其中一端，多个加强板14的另一部分位于顶盖12的沿第一方向的另一端；也可以认为，多个加强板14的一部分位于顶盖12的沿第一方向的相对两端，多个加强板14的另一部分位于顶盖12的沿第一方向的中部。
在本申请的一些实施例中，多个加强板14的一部分位于顶盖12的沿第一方向的其中一端，多个加强板14的另一部分位于顶盖12的沿第一方向的另一端。
在上述技术方案中，通过加强板14沿第二方向延伸，可以沿第二方向提升顶盖12的结构强度，有利于提升顶盖12整体的结构强度，可以降低顶盖12受力损坏的可能性，进一步提升电池100的安全性；通过多个加强板14中的至少部分位于顶盖12的沿第一方向的至少一端，可以增强顶盖12的外边沿的结构强度，当电池100的顶盖12受到作用力时，顶盖12不容易发生变形，这样有利于提升电池100的安全性能，减少对电池100的使用寿命的影响。
在一些实施例中，参照图4，顶盖12与箱体主体11之间的连接方式包括螺栓连接，至少部分螺栓17穿设于加强板14、顶盖12以及箱体主体11。
至少部分螺栓17穿设于加强板14、顶盖12以及箱体主体11，可以认为，多个螺栓17中的一部分穿设于加强板14、顶盖12以及箱体主体11；也可以认为，多个螺栓17均穿设于加强板14、顶盖12以及箱体主体11。
在上述技术方案中，通过螺栓17穿设于加强板14、顶盖12以及箱体主体11，可以将加强板14、顶盖12以及箱体主体11之间连接，可以进一步提高顶盖12的结构强度，并且进一步增强加强板14、顶盖12以及箱体主体11之间的连接强度，进一步提升电池箱体1整体结构的稳定性和可靠性。
在一些实施例中，参照图4-图6，加强结构1a包括加强梁13，顶盖12与箱体主体11之间的连接方式包括螺栓连接，至少部分螺栓17穿设于加强梁13、加强板14、顶盖12以及箱体主体11。
至少部分螺栓17穿设于加强梁13、加强板14、顶盖12以及箱体主体11，可以认为，
多个螺栓17中的一部分穿设于加强梁13、加强板14、顶盖12以及箱体主体11；也可以认为，多个螺栓17均穿设于加强梁13、加强板14、顶盖12以及箱体主体11。
在上述技术方案中，通过至少部分螺栓17穿设于加强梁13、加强板14、顶盖12以及箱体主体11，可以将加强梁13、加强板14、顶盖12以及箱体主体11之间连接，可以更进一步提高顶盖12的结构强度，并且更好地增强加强板14、顶盖12以及箱体主体11之间的连接强度，更好地提升电池箱体1的结构的稳定性和可靠性。
在一些实施例中，电池100用于车辆1000且适于安装于车身的底部，顶盖12用于构成车辆1000的地板的至少部分。
顶盖12用于构成车辆1000的地板的至少部分是指，顶盖12可以构成车辆1000的地板的一部分；或者，顶盖12可以构成车辆1000的地板的全部。
在上述技术方案中，电池单体20的上部与顶盖12连接，可以增强顶盖12的刚度和结构强度，提高顶盖12的承重能力，减轻顶盖12受力变形的程度；并且增强车辆1000的地板的结构强度，以提高整车的抗侧碰能力。
参照图7，第二方面，本申请提出一种车辆1000，包括：上述的电池100。
电池100可以为车辆1000提供电能，电池100可以作为车辆1000的驱动电源，为车辆1000提供驱动力。
可选地，如图7所示，当电池100用于车辆1000时，电池100可以设置在车辆1000的底部。电池100可以用于车辆1000的供电，例如，电池100可以作为车辆1000的操作电源，用于车辆1000的电路系统。车辆1000还可以包括控制器和马达，控制器用来控制电池100为马达供电，例如，用于车辆1000的启动、导航和行驶时的工作用电需求。
通过采用上述的电池100，至少部分电池单体20的上部与顶盖12固定连接，可以增强顶盖12的刚度和结构强度，在电池100受力的情况下减少顶盖12变形，降低顶盖12损坏的可能性，提升电池100的安全性能，减少对电池100的使用寿命的影响。
在本申请的一些实施例中，参照图1-图7，电池100用于车辆1000且适于安装于车身的底部，电池100包括电池箱体1和多个电池排2，多个电池排2沿第一方向排布，每个电池排2包括多个沿第二方向排布的电池单体20，第一方向为左右方向，第二方向为前后方向。
电池箱体1包括箱体主体11和顶盖12，顶盖12盖设于箱体主体11的顶部，顶盖12可以构成车辆1000的地板的至少部分。顶盖12与箱体主体11之间限定出容纳腔15，电池单体20倒置于电池箱体1的容纳腔15内。电池单体20包括本体21和电极端子22，电极端子22设于本体21的下侧，本体21的上表面与顶盖12粘接。
顶盖12上设有加强结构1a，加强结构1a的一部分靠近顶盖12的外边沿，加强结构1a的一部分位于顶盖12的中部，加强结构1a与顶盖12分别独立成型，加强结构1a与顶盖12可拆卸连接。加强结构1a包括多个加强梁13和多个加强板14，多个加强梁13沿第二方向排布，加强梁13沿第一方向延伸，加强板14沿第二方向延伸。
顶盖12上设有四个沿前后方向排布的加强梁13，加强梁13与顶盖12分别独立成型，且加强梁13与顶盖12可拆卸连接。加强梁13具有空腔结构，加强梁13的横截面呈“几”字型。四个加强梁13包括两个第一加强梁131和两个第二加强梁132，第一加强梁131的
结构强度大于第二加强梁132的结构强度。顶盖12与车辆1000的座椅相对的部分为座椅安装部120，两个第一加强梁131设于座椅安装部120，两个第二加强梁132位于第一加强梁131的前后两侧，且其中一个第一加强梁131靠近顶盖12的前边沿，另一个第一加强梁131靠近顶盖12的后边沿。加强板14与顶盖12分别独立成型，且加强板14与顶盖12可拆卸连接。加强板14与顶盖12在上下方向上叠置，加强板14靠近顶盖12的外边沿。
顶盖12与箱体主体11之间的连接方式包括螺栓连接，螺栓17为M8螺栓，螺栓17为多个，多个螺栓17沿顶盖12的周向间隔设置，部分螺栓17穿设于加强梁13、加强板14、顶盖12以及箱体主体11。
箱体主体11包括底护板16和边梁110，边梁110环绕在容纳腔15的外周侧，顶盖12连接在边梁110的顶部，边梁110与电池单体20间隔开。边梁110与电池单体20之间设有缓冲结构3，缓冲结构3包括缓冲块31，缓冲块31为橡胶块，缓冲块31与顶盖12、边梁110以及电池单体20中之间填充有结构胶。底护板16包括主体部161和连接部162，连接部162环绕在主体部161的外周侧，连接部162位于边梁110的下方且与边梁110通过螺栓连接，主体部161位于电池单体20的下方，且主体部161与电池单体20间隔开。
在上述技术方案中，通过电池单体20的上部与顶盖12固定连接，可以增强顶盖12的刚度和结构强度，在电池100受力的情况下减少顶盖12变形，降低顶盖12损坏的可能性，提升电池100的安全性能，减少对电池100的使用寿命的影响。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。
Claims (22)
- 一种电池，其特征在于，包括：电池箱体，所述电池箱体包括箱体主体和顶盖，所述顶盖盖设于所述箱体主体的顶部且与所述箱体主体之间限定出容纳腔；至少一个电池单体，所有所述电池单体均设于所述容纳腔，至少部分所述电池单体的上部与所述顶盖固定连接。
- 根据权利要求1所述的电池，其特征在于，所述电池单体的上部通过粘接的方式固定连接于所述顶盖。
- 根据权利要求1或2所述的电池，其特征在于，所述电池单体包括本体和电极端子，所述电极端子设于所述本体的下侧，所述本体的上表面与所述顶盖连接。
- 根据权利要求1-3中任一项所述的电池，其特征在于，所述顶盖与所述箱体主体之间的连接方式包括焊接、自攻钉连接、螺栓连接和粘接中的至少一种。
- 根据权利要求4所述的电池，其特征在于，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接。
- 根据权利要求4所述的电池，其特征在于，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，所述螺栓为至少两个，至少两个所述螺栓沿所述顶盖的周向间隔设置。
- 根据权利要求1-6中任一项所述的电池，其特征在于，所述箱体主体包括环绕在所述容纳腔的外周侧的边梁，所述顶盖连接在所述边梁的顶部，所述边梁的至少部分与所述电池单体间隔开；所述边梁与所述电池单体之间设有缓冲结构。
- 根据权利要求7所述的电池，其特征在于，所述缓冲结构包括缓冲块；所述缓冲块包括：橡胶块、泡沫块、海绵块中的至少一种。
- 根据权利要求8所述的电池，其特征在于，所述缓冲块与所述顶盖、所述边梁以及所述电池单体中的至少一个之间填充有结构胶。
- 根据权利要求1-6中任一项所述的电池，其特征在于，所述箱体主体包括底护板以及环绕在所述容纳腔的外周侧的边梁，所述底护板连接在所述边梁的底部，所述底护板包括主体部和连接部，所述连接部环绕在所述主体部的外周侧，所述连接部位于所述边梁的下方且与所述边梁连接，所述主体部位于所述电池单体的下方且与所述电池单体间隔开；所述顶盖上设有加强结构。
- 根据权利要求10所述的电池，其特征在于，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，所述螺栓穿设于所述加强结构、所述顶盖以及所述箱体主体。
- 根据权利要求10所述的电池，其特征在于，所述加强结构包括加强梁，所述加强梁沿第一方向延伸，所述第一方向与上下方向相交。
- 根据权利要求12所述的电池，其特征在于，所述加强梁为多个，多个所述加强梁沿第二方向排布，所述第二方向与上下方向相交且与所述第一方向相交；多个所述加强梁中的至少部分位于所述顶盖的沿所述第二方向的至少一端。
- 根据权利要求13所述的电池，其特征在于，所述电池适于安装于车身的底部，所述第一方向为左右方向，所述第二方向为前后方向，所述顶盖与车辆的座椅相对的部分为 座椅安装部，多个所述加强梁中的至少部分位于所述座椅安装部。
- 根据权利要求14所述的电池，其特征在于，多个所述加强梁包括第一加强梁和第二加强梁，所述第一加强梁位于所述座椅安装部，所述第二加强梁位于所述第一加强梁的沿所述第二方向的至少一侧，所述第一加强梁的结构强度大于所述第二加强梁的结构强度。
- 根据权利要求10所述的电池，其特征在于，所述加强结构与所述顶盖可拆卸连接。
- 根据权利要求10所述的电池，其特征在于，所述加强结构包括加强板，所述加强板与所述顶盖在上下方向上叠置。
- 根据权利要求17所述的电池，其特征在于，所述加强板沿第二方向延伸，所述第二方向与上下方向相交；所述加强板为多个，多个所述加强板中的至少部分位于所述顶盖的沿第一方向的至少一端。
- 根据权利要求17所述的电池，其特征在于，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，至少部分所述螺栓穿设于所述加强板、所述顶盖以及所述箱体主体。
- 根据权利要求17所述的电池，其特征在于，所述加强结构包括加强梁，所述顶盖与所述箱体主体之间的连接方式包括螺栓连接，至少部分所述螺栓穿设于所述加强梁、所述加强板、所述顶盖以及所述箱体主体。
- 根据权利要求1-20中任一项所述的电池，其特征在于，所述电池用于车辆且适于安装于车身的底部，所述顶盖用于构成所述车辆的地板的至少部分。
- 一种车辆，其特征在于，包括：根据权利要求1-21中任一项所述的电池。
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