CN108695482B - Packaging structure suitable for high-current soft package battery pack - Google Patents
Packaging structure suitable for high-current soft package battery pack Download PDFInfo
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- CN108695482B CN108695482B CN201810474883.8A CN201810474883A CN108695482B CN 108695482 B CN108695482 B CN 108695482B CN 201810474883 A CN201810474883 A CN 201810474883A CN 108695482 B CN108695482 B CN 108695482B
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- Prior art keywords
- locking rod
- soft package
- battery
- lug
- package battery
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 239000000178 monomer Substances 0.000 claims description 22
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 101001018064 Homo sapiens Lysosomal-trafficking regulator Proteins 0.000 description 1
- 102100033472 Lysosomal-trafficking regulator Human genes 0.000 description 1
- 235000010703 Modiola caroliniana Nutrition 0.000 description 1
- 244000038561 Modiola caroliniana Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- -1 moreover Chemical compound 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
- H01M50/50—Current conducting connections for cells or batteries
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a packaging structure suitable for a high-current soft package battery pack, which comprises a plurality of soft package battery cells, wherein positive and negative poles among adjacent soft package battery cells are respectively connected through a connecting bridge (3), each soft package battery cell comprises a plurality of soft package battery cores respectively provided with positive pole lugs (1) and negative pole lugs (1.1), a locking rod composed of positive pole locking rods (2) and negative pole locking rods (2.1) and a plurality of cylindrical conductors (5), the positive pole locking rods (2) are connected with the positive pole lugs (1) in series, the negative pole locking rods (2.1) are connected with the negative pole lugs (1.1) in series, and the cylindrical conductors (5) are sleeved on the locking rods and clamped between the adjacent lugs through the locking rods. The invention adopts the structural form of clamping the lug by the copper column, reduces the contact resistance, provides a larger conductor sectional area, can meet the design requirement of excessive current, and simultaneously meets the maximum discharge current requirement aiming at 4000mAh capacity and 30C (120A) discharge multiplying power.
Description
Technical Field
The invention relates to the field of battery manufacturing, in particular to a packaging structure suitable for a high-current soft package battery pack.
Background
In recent years, lithium ion batteries have been increasingly used in batteries for electronic energy storage and special purposes due to the advantages of high operating voltage, high energy density, no memory effect, long cycle life, no pollution and the like. As is well known, in the use process of the battery module, safety accidents such as fire and explosion are caused by internal or external reasons of the battery, such as temperature, mechanical impact and the like, so that loss of life and property is caused, and the improvement of the safety of the battery is urgent. At present, the packaging of lithium ion batteries mainly has three shapes, namely a cylindrical lithium ion battery, a square lithium ion battery and an aluminum plastic film flexible package lithium ion battery, and the aluminum plastic film flexible package battery has the characteristics of high energy density, good ductility and the like, but has poor mechanical load bearing capacity, and a flexible package battery core is easy to contact with a shell to cause short circuit when in collision, so that the design requirement of excessive current cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a packaging structure suitable for a high-current soft package battery pack.
The aim of the invention is realized by the following technical scheme: the packaging structure is suitable for the high-current soft package battery pack, and the positive and negative electrodes between adjacent soft package battery monomers are respectively connected through a connecting bridge;
the soft package battery unit comprises a locking rod, a plurality of soft package battery cores and a plurality of cylindrical conductors, wherein the locking rod consists of an anode locking rod and a cathode locking rod, each soft package battery core is provided with an anode lug and a cathode lug, each anode lug is provided with a first through hole matched with the anode locking rod, each cathode lug is provided with a second through hole matched with the cathode locking rod, the anode locking rod sequentially passes through the first through holes, and the cathode locking rod sequentially passes through the second through holes;
The cylindrical conductor is axially provided with a through hole matched with the locking rod, is sleeved on the locking rod and is clamped between adjacent lugs through the locking rod.
The columnar conductor is a copper column.
The soft package battery monomer still includes L type and rolls over the ear, be equipped with on the curb plate of L type roll over the ear with locking lever assorted third through-hole, the curb plate passes through locking lever locking fixedly, and the roof draws forth the terminal upwards, the connecting bridge is connected between adjacent soft package battery monomer's terminal.
The side plate is clamped between the battery cell tab at the outer end and the cylindrical conductor at the outer end.
The L-shaped folding lugs are copper L-shaped folding lugs.
The soft package battery monomer still includes T type insulating support, T type insulating support includes fixed part and supporting part, is equipped with on the fixed part with locking lever complex through-hole and is fixed in locking lever both ends through the locking lever, the top of supporting part extends outwards and surpasss monomer battery width.
The tail of the supporting part extends to the inside of the battery cell and is clamped between the side plates.
The fixing part is locked between the battery cell lug and the locking nut at the outer end.
The T-shaped insulating support is an ABS insulating support.
The locking rod is a screw rod, one end of the screw rod is a nut, and the other end of the screw rod is locked by the locking nut.
The beneficial effects of the invention are as follows:
1) The cylindrical conductor is sleeved on the locking rod and is clamped by the two ends of the screw rod, so that the cylindrical conductor is clamped between adjacent lugs, the lug plates can be in flat and tight contact with the section of the cylindrical conductor, the contact resistance is further reduced, the loss in the current transmission process is reduced, the service life of the battery is prolonged, and the copper column clamping mode is adopted to provide a larger conductor section area, so that the design requirement of excessive current can be met.
2) The L-shaped folded lug is arranged at two ends of the battery monomer and is led out of the binding post upwards, the binding post is connected with the lug through the L-shaped folded lug, the whole structure is more compact and convenient to connect in series, because the distance between the adjacent lugs is fixed, the L-shaped folded lug side plate is arranged between the battery core lug at the outer end and the cylindrical conductor at the outer end, the thickness of the L-shaped folded lug side plate can be used for replacing the length of one section of cylindrical conductor to achieve the same flow guiding effect, the materials of four cylindrical conductors at the outer end are saved, the cost is reduced, furthermore, the required length of the screw rod can be shortened between the battery core lug at the outer end and the cylindrical conductor at the outer end by the L-shaped folded lug side plate, the problem that the two ends of the screw rod are contacted with the housing due to the limitation of the housing can be effectively avoided in the carrying process.
3) Copper has good thermal conductivity and electrical conductivity, large yield and moderate price, is not easy to oxidize in dry air, and is sleeved on the locking rod by the L-shaped folding lugs and the copper columns, so that an oxide film can not be generated on the surface of copper, and the section of the copper is not contacted with the tab, so that a film resistor formed by a contact surface film and other pollutants can not be generated.
4) On the premise that the locking rod can support the cylindrical conductor, a screw rod with the small diameter is selected as far as possible to serve as an intermediate connecting piece, then the sectional area of the cylindrical conductor is made to be as large as possible, the contact area of the cylindrical conductor and the pole lugs is also guaranteed, and the contact resistance is reduced accordingly, so that larger current can be passed.
5) The supporting part top of T type insulating support extends outwards and surpasses monomer battery width, makes the positive negative pole of battery monomer separate with the casing, plays insulating protection's effect, can prevent that collision trailing flank is positive, negative pole (lock nut) contact battery casing simultaneously and take place the short circuit to the impact stress that the screw rod received in the time of can effectively dispersing the collision is in order to play the effect of protection screw rod, prevents that the screw rod from warp or damaging because of the collision.
6) The afterbody of supporting part extends and blocks to battery monomer inside between the curb plate, and the cross structure of formation further fixes whole structure, firmly supports each soft packet of battery cell in the battery case, avoids the battery to bump.
7) The T-shaped insulating support is made of ABS material, has high strength and good toughness, is easy to process and form, and can prevent accidents such as electric leakage, short circuit, electric shock and the like caused by contact between the anode and the cathode of the battery and the shell.
Drawings
FIG. 1 is a diagram of the overall structure of the present invention;
FIG. 2 is a block diagram of a pouch battery cell according to the present invention;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a left side view of FIG. 1;
Fig. 5 is a top view of fig. 1:
In the figure, 1-positive electrode tab, 1.1-negative electrode tab, 2-positive electrode locking rod, 2.1-negative electrode locking rod, 3-connecting bridge, 4-binding post, 5-cylindrical conductor, 6-L-shaped folded tab, 6.1-side plate, 6.2-top plate, 7-T-shaped insulating bracket, 7.1-fixing part, 7.2-top part and 7.3-tail part.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the packaging structure suitable for the heavy-current soft package battery pack comprises a plurality of soft package battery monomers, wherein positive and negative electrodes between adjacent soft package battery monomers are respectively connected through a connecting bridge 3, so that the soft package battery monomers are connected in series, the structure is compact, the connection is convenient, the preference is realized, the connecting bridge 3 can be a copper connecting bridge, the cost is lower, and the conductivity is strong.
The battery cell comprises a locking rod and a plurality of soft package battery cells, wherein each soft package battery cell is provided with a positive electrode lug 1 and a negative electrode lug 1.1, the locking rod consists of a positive electrode locking rod 2 and a negative electrode locking rod 2.1, the positive electrode lug 1 is provided with a first through hole matched with the positive electrode locking rod 2, the negative electrode lug 1.1 is provided with a second through hole matched with the negative electrode locking rod 2.1, the positive electrode locking rod 2 sequentially penetrates through the first through hole, the negative electrode locking rod 2.1 sequentially penetrates through the second through hole, and the positive electrode lug 1 and the negative electrode lug 1.1 of the soft package battery cell are respectively connected in series to form a parallel structure.
The soft package battery monomer still includes a plurality of cylindricality conductors 5, and the length of cylindricality conductor 5 cooperatees with the interval between the utmost point ear of adjacent soft package electric core, cylindricality conductor 5 axial be equipped with locking lever complex through hole, cylindricality conductor 5 cup joints on the locking lever to press from both sides tightly by the screw rod both ends, make cylindricality conductor 5 press from both sides tightly between adjacent utmost point ear, can make the cross-section of utmost point ear piece and cylindricality conductor 5 level and smooth close contact, and then reduce contact resistance, reduce the loss in the current transmission process, increase battery life. The columnar conductors 5 are clamped between the tabs of adjacent soft package battery cells, and when the number of the soft package battery cells is n, the total number of the columnar conductors 5 required is 2x (n-1).
The cylindrical conductor 5 is a copper column, copper is mauve metal, the heat conductivity and the electric conductivity of the copper are inferior to silver in all metals, the yield of copper is moderate to aluminum, moreover, copper is not easy to oxidize in dry air, the copper column is sleeved on the locking rod, an oxide film is not generated on the surface of the copper column, and when the section of the copper column is contacted with the tab, a film resistor formed by a contact surface film layer and other pollutants is not generated.
The locking rod is a screw rod, one end of the screw rod is a screw cap, the other end of the screw rod is locked by the locking nut, a screw structure of the screw rod can be provided with a bolt at the tail end of the screw rod so as to fix and lock the cylindrical conductor 5, the cylindrical conductor 5 can firmly fix the tab plate, furthermore, because of the existence of the spiral groove on the surface of the screw rod, gaps exist between the locking rod and the cylindrical conductor 5, the effect of ventilation and heat dissipation is achieved to a certain extent, incomplete contact is achieved between the locking rod and the cylindrical conductor, the friction area between the locking rod and the cylindrical conductor is reduced, and the service life of the whole parallel structure is effectively prolonged.
Preferably, the locking rod can select a screw rod with a small diameter as far as possible as an intermediate connecting piece on the premise of supporting the cylindrical conductor 5, then the sectional area of the cylindrical conductor 5 is as large as possible, the contact area between the cylindrical conductor 5 and the pole lug is also ensured, and the contact resistance is reduced accordingly, so that larger current can be passed.
Further, according to i=us/pl=s×u/PL, it can be known that the resistivity P of the material for forming the resistor and the length L of the wire wound into the resistor are constant (the resistor is the cylindrical conductor 5 here), and under the condition that the voltage U is unchanged, the current I and the cross-sectional area S are in a direct proportion relationship, so that the maximum discharge current requirement for the capacity 4000mAh and the discharge rate 30C (120A) can be met, the copper pillar clamping form can provide a larger conductor cross-sectional area, the design requirement of an excessive current can be met, and furthermore, as the maximum discharge current amperage=the square millimeter value of the conductor cross-sectional area is the engineering coefficient K, for the short-time high-rate battery, the cross-sectional area of the cylindrical conductor 5 is 10 to 12, the calculation formula of the cross-sectional area of the cylindrical conductor 5 is: the cross section area of the cylindrical conductor 5 is required to be 10-12mm 2 in order to meet the maximum discharge current requirement of 120A, which is beneficial to processing and manufacturing.
The soft package battery monomer still includes L type and rolls over ear 6, be equipped with on the curb plate 6.1 of L type roll over ear 6 with locking lever assorted third through-hole, curb plate 6.1 passes through locking lever locking fixed, then the locking lever passes curb plate 6.1, roof 6.2 upwards draws forth terminal 4, connecting bridge 3 connects between adjacent soft package battery monomer's terminal 4, terminal 4 will respectively soft package battery monomer just, negative pole links to each other with the wire, convenient and fast, terminal 4 links to each other with L type roll over ear 6 for whole structure compacter, the concatenation of being convenient for.
Preferably, the top plate 6.2 is provided with a fourth through hole matched with the binding post 4, and the binding post 4 can directly penetrate through the fourth through hole to complete the fixing work of the binding post 4 and the L-shaped folding lug 6, so that the structure is simple, and the fixing device is convenient and practical.
The L-shaped folding lug 6 is made of copper, the side plate 6.1 of the L-shaped folding lug 6 is contacted with a copper column, and the top plate 6.2 is contacted with the binding post 4, so that the effect of reducing contact resistance can be achieved.
The side plates 6.1 are clamped between the battery cell lugs at the outer end and the cylindrical conductor 5 at the outer end, and because the distance between the adjacent lugs is fixed, the side plates 6.1 of the L-shaped folded lugs 6 are arranged between the battery cell lugs at the outer end and the cylindrical conductor 5 at the outer end, the thickness of the side plates 6.1 can be used for replacing the length of one section of the cylindrical conductor 5 to achieve the same flow guiding effect, the materials of four cylindrical conductors 5 at the outer end are saved, the cost is reduced, and furthermore, the length required by a screw rod can be shortened between the battery cell lugs at the outer end and the cylindrical conductor at the outer end by arranging the side plates 6.1 of the L-shaped folded lugs 6, so that the problem that the two ends of the screw rod are contacted with the housing due to the limitation of the housing can be solved, and the problem that the two ends of the screw rod are contacted with the housing in the carrying process can be effectively avoided.
The side plate 6.1 of the L-shaped folded lug 6 can be in two shapes, one of the two shapes is easy to process when the cross section of the side plate 6.1 is the same as that of the lug, and the other is easy to process when the cross section of the side plate 6.1 is the same as that of the cylindrical conductor 5, and the cylindrical conductor 5 is connected with the lug in series under the condition that the maximum current carrying condition is achieved, so that the cross section of the side plate 6.1 is the same as that of the cylindrical conductor 5, the same effect as that of the cylindrical conductor 5 can be achieved, and then the current is transmitted to the binding post 4 through the top plate 6.2 connected with the side plate 6.1.
The soft package battery monomer still includes T type insulating support 7, T type insulating support 7 includes fixed part 7.1 and supporting part, is equipped with on the fixed part 7.1 with locking lever complex through-hole and is fixed in the locking lever both ends through the locking lever, fixed part 7.1 locks between the electric core utmost point ear and the lock nut of outer end, stable in structure.
In the invention, the locking rod is used as an intermediate connecting piece for supporting the columnar conductor 5 and the lug in series, the locking rod can bear certain current, the top 7.2 of the supporting part extends outwards and exceeds the width of the single battery, so that the anode and the cathode of the single battery are separated from the shell, the effect of insulating and protecting a circuit is achieved, the anode and the cathode (locking nut) on the rear side of the collision can be prevented from simultaneously contacting the battery shell to generate short circuit, the impact stress suffered by the screw during the collision can be effectively dispersed to play the role of protecting the screw, and the screw is prevented from being deformed or damaged due to the collision.
The tail 7.3 of the supporting part extends towards the inside of the battery cell and is clamped between the side plates, the whole structure is further fixed by the formed cross structure, each soft-package single battery is firmly supported in the battery shell, and the battery is prevented from collision.
Further, the tail portion 7.3 of the supporting portion can be of a proper length, so that the positive electrode tab 1 and the negative electrode tab 1.1 are not in contact and play a role in fixing, a good air convection effect can be achieved while cost is saved, ventilation and heat dissipation of the whole single battery are achieved, and aging of the T-shaped insulating support 7 can be prevented to a certain extent.
Preferably, the T-shaped insulating support 7 is an ABS insulating support, the ABS material has high strength and good toughness, and is easy to process and shape, and the ABS insulating support can prevent accidents such as electric leakage, short circuit, electric shock and the like caused by contact between the anode and the cathode of the battery and the shell.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (6)
1. Packaging structure suitable for soft packet of group battery of heavy current, including a plurality of soft packet of battery monomer, its characterized in that: the positive and negative electrodes between adjacent soft package battery monomers are respectively connected through a connecting bridge (3);
The soft package battery monomer comprises a locking rod, a plurality of soft package battery cores and a plurality of cylindrical conductors (5), wherein the locking rod consists of an anode locking rod (2) and a cathode locking rod (2.1), each soft package battery core is provided with an anode lug (1) and a cathode lug (1.1), the anode lug (1) is provided with a first through hole matched with the anode locking rod (2), the cathode lug (1.1) is provided with a second through hole matched with the cathode locking rod (2.1), the anode locking rod (2) sequentially penetrates through the first through holes, and the cathode locking rod (2.1) sequentially penetrates through the second through holes;
The cylindrical conductor (5) is axially provided with a through hole matched with the locking rod, and the cylindrical conductor (5) is sleeved on the locking rod and is clamped between adjacent lugs through the locking rod;
The soft package battery monomer further comprises L-shaped folding lugs (6), a third through hole matched with the locking rod is formed in a side plate (6.1) of the L-shaped folding lug (6), the side plate (6.1) is locked and fixed through the locking rod, a binding post (4) is led out upwards from a top plate (6.2) of the L-shaped folding lug (6), and the connecting bridge (3) is connected between the binding posts (4) of the adjacent soft package battery monomer;
The soft package battery unit also comprises a T-shaped insulating bracket (7), the T-shaped insulating bracket (7) comprises a fixing part (7.1) and a supporting part, a through hole matched with the locking rod is formed in the fixing part (7.1) and is fixed at two ends of the locking rod through the locking rod, and the top (7.2) of the supporting part extends outwards and exceeds the width of the battery unit;
The tail part (7.3) of the supporting part extends towards the inside of the battery cell and is clamped between the side plates (6.1);
the columnar conductor (5) is a copper column.
2. The packaging structure for a high-current soft pack battery pack according to claim 1, wherein: the side plate (6.1) is clamped between the battery cell lug at the outer end and the cylindrical conductor (5) at the outer end.
3. The packaging structure for a high-current soft pack battery pack according to claim 1, wherein: the L-shaped folding lug (6) is made of copper.
4. The packaging structure for a high-current soft pack battery pack according to claim 1, wherein: the locking rod is a screw rod, one end of the screw rod is a nut, and the other end of the screw rod is locked by the locking nut.
5. The packaging structure for a high-current soft pack battery pack according to claim 4, wherein: the fixing part (7.1) is locked between the battery cell lug at the outer end and the locking nut.
6. The packaging structure for a high-current soft pack battery pack according to claim 1, wherein: the T-shaped insulating support (7) is an ABS insulating support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474883.8A CN108695482B (en) | 2018-05-17 | 2018-05-17 | Packaging structure suitable for high-current soft package battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474883.8A CN108695482B (en) | 2018-05-17 | 2018-05-17 | Packaging structure suitable for high-current soft package battery pack |
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| CN108695482A CN108695482A (en) | 2018-10-23 |
| CN108695482B true CN108695482B (en) | 2024-05-07 |
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| CN201810474883.8A Active CN108695482B (en) | 2018-05-17 | 2018-05-17 | Packaging structure suitable for high-current soft package battery pack |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098238B (en) * | 2019-06-18 | 2024-03-05 | 万向一二三股份公司 | Pit punching aluminum plastic film ductility measuring method for power lithium ion battery |
| CN111916642B (en) * | 2020-07-15 | 2022-04-26 | 江苏正力新能电池技术有限公司 | Battery, battery module and electric vehicle |
| CN112531251A (en) * | 2020-12-04 | 2021-03-19 | 惠州市伟江实业有限公司 | Nickel-hydrogen battery module |
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|---|---|---|---|---|
| CN1839496A (en) * | 2003-12-16 | 2006-09-27 | 株式会社Lg化学 | Lead wire element and secondary battery pack module having the same |
| CN204303929U (en) * | 2014-11-14 | 2015-04-29 | 山东神工海特电子科技有限公司 | Novel high-capacity soft package lithium battery group |
| CN105977440A (en) * | 2016-07-06 | 2016-09-28 | 厦门宝龙新能源发展有限公司 | Positive and negative electrode lug connection structure for multi-cell group of flexible-package polymer Li-ion battery |
| CN208284543U (en) * | 2018-05-17 | 2018-12-25 | 四川众联航泰科技有限公司 | Encapsulating structure suitable for high current soft-package battery group |
-
2018
- 2018-05-17 CN CN201810474883.8A patent/CN108695482B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839496A (en) * | 2003-12-16 | 2006-09-27 | 株式会社Lg化学 | Lead wire element and secondary battery pack module having the same |
| CN204303929U (en) * | 2014-11-14 | 2015-04-29 | 山东神工海特电子科技有限公司 | Novel high-capacity soft package lithium battery group |
| CN105977440A (en) * | 2016-07-06 | 2016-09-28 | 厦门宝龙新能源发展有限公司 | Positive and negative electrode lug connection structure for multi-cell group of flexible-package polymer Li-ion battery |
| CN208284543U (en) * | 2018-05-17 | 2018-12-25 | 四川众联航泰科技有限公司 | Encapsulating structure suitable for high current soft-package battery group |
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| CN108695482A (en) | 2018-10-23 |
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