CN109004132A - A method of battery pack is improved using composite sandwich plate structure - Google Patents
A method of battery pack is improved using composite sandwich plate structure Download PDFInfo
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- CN109004132A CN109004132A CN201810831464.5A CN201810831464A CN109004132A CN 109004132 A CN109004132 A CN 109004132A CN 201810831464 A CN201810831464 A CN 201810831464A CN 109004132 A CN109004132 A CN 109004132A
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- battery
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- battery core
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- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 9
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000000805 composite resin Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000007747 plating Methods 0.000 abstract description 9
- 239000011162 core material Substances 0.000 description 54
- 238000010586 diagram Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of methods for improving battery pack using composite sandwich plate structure, and it further includes component and lithium dynamical battery monomer in battery pack that improving equipment, which includes corrugated plating battery pack,；Sandwich of layers and skin material；Busbar connector；For temperature collection, the printed circuit board of the signals such as voltage；Temperature controller.Referring to ripple Sandwich structure, PCB printed circuit board and temperature controller are arranged in the space that corrugated plating and panel are built, then by several battery core electrodes upwards perpendicular to panel being put into corrugated plating and space that panel is built in, the mould group of specific voltage and capacitance is made, assembles multiple such mould groups and ultimately forms battery pack.The present invention no longer needs the mould group end plate and the components such as pallet and upper cover of metal quality in conventional batteries packet, only with high specific strength sandwich composite material corrugated plate as battery case, effectively improve energy density, mitigate the weight bearing of battery pack, balance thermal conductivity.
Description
Technical field
Present invention design is related to field of compound material more particularly to a kind of utilization composite sandwich plate structure improves battery
The method of packet.
Background technique
Battery of electric vehicle packet utilizes tetragonous column type mostly at present, together with cylindrical type is in series or in parallel with Soft Roll type, dress
In mechanical cover, form battery modules, multiple battery modules are each other in series or parallel to be assembled into battery pack, with include sensing
The battery management system and heat management system of device and controller are assembled in a shell.Wherein, mechanical cover is generally four pieces
End plate and upper and lower two boards surround cube, and shell is generally battery box cover and pallet composition.Outside mechanical cover and battery pack
Shell is mostly that metal is constituted, and the combination of two kinds of structures considerably increases the weight of electric car, hinders the promotion of battery pack energy density.
Therefore, it while guaranteeing the mould group intensity and stability of original metal, realizes the lightweight of battery pack, promotes electricity
Pond packet energy density, optimization is antifatigue, and the performances such as damping energy-absorbing are the research directions that we improve battery pack, and are achieved.
Summary of the invention
In order to overcome above-mentioned deficiency, battery pack is improved using composite material sandwich structure the object of the present invention is to provide a kind of
Method.The present invention referring to ripple Sandwich structure, arranged in the space that corrugated plating and panel are built PCB printed circuit board and
Temperature controller, then by several battery core electrodes upwards perpendicular to panel being put into corrugated plating and space that panel is built in,
The mould group of specific voltage and capacitance is made, assembles multiple such mould groups and ultimately forms battery pack.The present invention no longer needs to pass
The mould group end plate and the components such as pallet and upper cover of metal quality in battery pack of uniting, only with the composite wood of high specific strength sandwich
Expect that corrugated plating as battery case, effectively improves energy density, mitigates the weight bearing of battery pack, balance thermal conductivity.
To achieve the goals above, the present invention adopts the following technical scheme:
A method of battery pack being improved using composite sandwich plate structure, improving equipment includes corrugated plating battery pack, battery
It further include component and lithium dynamical battery monomer in packet；Sandwich of layers and skin material；Busbar connector；For temperature collection, the letter such as voltage
Number printed circuit board；Temperature controller, thermoplastic prepreg, preheating channel, adaptive pressure head, wrapping machine, electroheating type hot melt
Adhesive tape.
The above-mentioned method for improving battery pack using composite sandwich plate structure, specifically comprises the following steps:
(1) matrix softening point is heated to by preheating channel by traction thermoplastic prepreg, it is fixed pre- using adaptive pressure head
Band is soaked, drives battery pack rotation through wrapping machine, prepreg tape is made to be wrapped in the battery surface of several battery cores composition, after cooling and shaping
Battery modules are made.
(2) battery modules are put into the space that same ripple and panel are surrounded, short transverse and interlayer plate thickness
Direction is consistent, it may be assumed that electrode is all upward, and battery core is perpendicular to panel, and mould group top is placed with busbar connector, and the adjacent battery core of every two connects
The heat insulating washer of 2mm or so is welded between contacting surface in the way of welding, so that battery core passes through the mutual connection of busbar connector.With this side
Formula is also placed in battery modules in other ripples.
(3) the laminar printed circuit board of bar shaped is re-layed above the busbar connector above battery modules, to a plurality of wave
Line carries out same operation.It should be noted at this time that after PCB is added, thickness direction should cannot be there are gap, in order to avoid influence battery core
It is fixed.Circuit board is the battery management unit for monitoring battery pack temperature and voltage.
(4) when battery core being put into the space that same ripple and panel are surrounded, between battery core meeting and enclosed space
Difference is formed, temperature controller can be placed using the white space where difference, temperature is made to pass through heat-conducting insulation material and electricity
Core contact；Can also be more than sandwich plate to be with lower panel, temperature control device is added in battery core position below.Meanwhile it is some with PCB or
The route of person's thermoregulator connection can be connect with the white space that enclosed space is formed with the external world by battery core.
(5) sandwich battery pack after processing is completed, utilizes electroheating type hot melt adhesive tape and composite material at battery pack port
Cap shape sealing element melts fitting, completes sealing after cooling and solidifying.
Preferably, the corrugated plating of composite sandwich is sandwich by two parallel coverings and the ripple between them
Layer is constituted, as shown in Figure 1, the trapezoidal of the dipping and heaving among two parallel panels is one layer of continuous sandwich web.It should
The a large amount of space reserved between sandwich of layers covering, this space must equipment with other for being placed in battery cell.
Preferably, the covering of corrugated plating can choose the biggish carbon fiber enhancement resin base composite material of bearing capacity, wave
The galss fiber reinforced resin based composites that line sandwich of layers can use bearing requirements relatively low.It can be according to selection battery core
Size and the size of electric member design size trapezoidal in ripple sandwich of layers, this includes trapezoidal height, angle etc., note
The thickness for sandwich of layers of anticipating should be greater than the height of battery core, so as to being put into for PCB printed circuit board.And sandwich plate is precast in advance.
Preferably, busbar connector is that the thin and roomy sheet metal with high surface area of one kind passes through weldering in order to radiate
It the modes such as connects or is bolted to be connected with battery cell, to achieve the purpose that connecting single batteries.
Preferably, printed circuit board for signals such as collection voltages and temperature and is transmitted to counterpart external device, to reach
Monitor the effect of battery real-time status.
Preferably, temperature controller is to be assemblied in battery modules, and connected by heat-conducting insulation material with battery case
Touching, and then realize and the temperature of battery is controlled.
Preferably, temperature control device is generally the internal aluminum alloy thin plate profile containing coolant line or heating equipment.
Preferably, preheating channel or laser preheating or hot wind preheating can be used in preheating method.
The invention also discloses the methods of battery core in fixed module, increase stability: each battery core in 1. single modules,
It is tied together with thermoplastic prepreg tight beam, becomes an entirety.2. when processing lower panel, according to single module on the inside of it
Size leave the position limiting structures such as groove and boss, and be used between panel and battery modules plus gluing adhesive, in order to battery
Fixation of the mould group in sandwich plate；Or mould group can be fixed using rib.
Compared with the prior art, the invention has the following advantages:
(1) present invention replaces traditional metal top cover using composite sandwich plate, and lower tray and mould group end plate etc., structure is set
The innovation of meter makes battery pack entirety lightweight, optimizes volume utilization.It is to bear to carry with whole using this composite structure
Lotus can also promote the energy density of battery pack while guaranteeing battery pack overall stability.
(2) on the one hand the present invention alleviates weight using the battery modules of thermoplastic prepreg tape canoe substitution metal structure
Amount, on the other hand such method is light high-strength, non-conductive, other embeddable metal components, connects convenient for structure, without assembling.
Detailed description of the invention
Fig. 1 is interlayer plate thickness direction cross-sectional view；
Fig. 2 is interlayer plate thickness direction partial schematic diagram；
Fig. 3 is the schematic diagram that several battery cores are wound in battery pack；
Fig. 4 is that battery core arranges rough schematic (top view of several as ripple)；
Fig. 5 is single module schematic diagram；
Fig. 6 is 21700 battery core mould group sections, and left and right sides shade section is heat dissipation metal backplate, and upper and lower shade section is very thin
Circuit galley；
Fig. 7 is mould group in 21700 battery packs in sandwich plate interior location schematic diagram；
Fig. 8 is sandwich battery pack entirety three-dimensional display figure and overall appearance figure.
Wherein, in Fig. 21 be PCB circuit board, 2 connection battery core monomers busbar connector, 3 be battery core electrode ear, 4 be battery core
Monomer, 5 are surrounded the section of cavity by trapezoidal core material and battery core, and 6 be the heat-dissipation aluminum sectional material of battery core bottom.
1 is thermoplastic prepreg in Fig. 3, and 2 be battery core.
1 is battery core monomer in Fig. 5, and 2 be the electrode of battery core, and 3 insulation spacer between battery core monomer, 4 be mould group.
1 is hat shape sealing element in Fig. 8, and 2 be sandwich structure battery pack, and 3 be battery modules.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
Present invention will be further explained below with reference to the attached drawings and examples, in order to the understanding of technical staff of the same trade:
Embodiment 1:
The design scheme of battery pack is provided with prismatic battery core
According to the size of small passenger car battery case, the sandwich plate battery pack of a 1300mm × 931mm is done, includes all moulds
Group, and battery cell sum is consistent with such commercial batteries packet.It designs as follows:
(1) the isosceles trapezoid ripple base angle of interlayer is 75 °, and it is highly 110mm that upper bottom, which is 148mm, bottom 207mm,.Panel
Take [0 ° /+45 °/90 °/- 45 °] s8 layers of ply sequence, material is X850 prepreg, core material can be used [0 ° /+45 °/90 °/-
45 °] 4 layers of laying.The total amount of simple sandwich plate calculates are as follows: 5.2kg, along with it is some it is additional brace material and adhesive,
About 10kg(is estimated), referred to as structure body weight.
(2) five ripples are set altogether, and adjacent two ripple is the inverted relationship in upper bottom, places 24 electricity in every ripple
Core, every 12 battery cores, can be before being placed in sandwich plate for battery core, as shown in figure 4, by 12 battery cores as a mould group
(having insulation spacer between battery core) bundles in advance, can simplify operation in this way, is easy to fixed., between battery core and battery core
Part is insulation spacer.Just there are two such mould group in every ripple in this way, five ripples have ten mould groups altogether, as shown in Figure 3.
(3) fixed form of the mould group in sandwich plate: 1, it can use adhesive；2, when making lower panel, according to mould
Group shape makes mould group positive stop lug boss, and welds with original panel.
Embodiment 2:
The design scheme of battery pack is provided with cylindrical cell
Cylindrical battery core monomer capacity is small, so quantitative requirement is very big, also should be tied up and be connected with thermoplastic prepreg in advance
Growth bar shaped battery modules, are then placed in composite sandwich plate.
Design it is a with square electric cell energy coincidence but battery core monomer using 21700 cylindrical battery cores battery pack.
Domestic 21700 battery core performance see the table below.
| Type | Size | Capacity/Ah | Voltage/v | Weight/g | Energy density (wh/kg) |
| 21700 cylinders | 21*70 | 4 | 3.7 | 69.3 | 214 |
(1) according to the principle of energy coincidence, 1776 this 21700 battery cores are at least used；Ten mould groups are designed, then each
Mould group has 178 battery cores, as shown in Figure 5.Since battery core is large number of, thus battery core should tangent close-packed arrays, battery core contact
The insulating tape that thickness is ignored can be placed between face；
(2) numerous battery cores by ultrasonic bonding connection, simultaneously wrapped up by plastic, transparent shell, played together by connection, a mould group
It braces and protective effect；
(3) there are monitoring and management equipment of the printed circuit board of thin plate as battery in mould group short side；
(4) in the mould group scheme of installation of Fig. 5 as can be seen that in interlayer, there are two battery modules in every ripple.Adding
When work lower panel, it should there are position limiting structures such as boss and grooves on the inside of it, convenient for fixation of the mould group in sandwich plate,
It can be using adhesive as fixed supplementary means.
Embodiment 3:
The design scheme of battery pack is provided with Soft Roll type battery core
The Soft Roll type battery core of laminated aluminum film is generally very thin, and thickness is less than one centimetre, the prior modularization of soft pack cell, also becomes side
The outer hull shape of shape, to facilitate subsequent installation.
(1) several soft pack cells are stopped up in advance first, electrode can use the mode of welding, mutual by circuit board
Connection is formed with the battery core unit of certain voltage, and this battery core unit is similar to hard-shell type battery core, is easy to fixed,
(2) mould is processed by the way of prepreg tape winding by rectangular cell module made of modularization by Soft Roll by above-mentioned
Group, the printed circuit board of remaining battery management function and cooling aluminium alloy plate are installed according to mode shown in example one.
(3) mould group enters sandwich plate, and the sealing of fixation and battery pack of the mould group in sandwich plate is and above example
Unanimously.
(4) parameter of certain aluminum plastic film battery core is as shown in the table:
| Battery core type | Size/mm | Capacity/Ah | Amount voltage/v | Weight/Kg |
| Plastic-aluminum Soft Roll | 227*161*7.2 | 22 | 3.7 | 0.49 |
If the consistent Soft Roll type single battery packet of hard-shell type single battery inclusion quantity in design one and specific embodiment 1, is answered
This uses 323 Soft Roll monomers, and gross mass reaches 158.27Kg.
Claims (8)
1. a kind of method for improving battery pack using composite sandwich plate structure, which is characterized in that improving equipment includes ripple
Plate battery pack further includes component and lithium dynamical battery monomer in battery pack；Sandwich of layers and skin material；Busbar connector；For acquiring
Temperature, the printed circuit board of the signals such as voltage；Temperature controller.
2. the method for improving battery pack using composite sandwich plate structure as described in claim 1, which is characterized in that specific
Include the following steps:
(1) matrix softening point is heated to by preheating channel by traction thermoplastic prepreg, it is fixed pre- using adaptive pressure head
Band is soaked, drives battery pack rotation through wrapping machine, prepreg tape is made to be wrapped in the battery surface of several battery cores composition, after cooling and shaping
Battery modules are made；
(2) battery modules are put into the space that same ripple and panel are surrounded, short transverse and interlayer plate thickness direction
Unanimously, it may be assumed that electrode is all upward, and battery core is placed with busbar connector, and the adjacent battery core contact surface of every two perpendicular to panel, mould group top
Between the heat insulating washer of 2mm or so is welded in the way of welding so that battery core is existed by this method by the mutual connection of busbar connector
Battery modules are also placed in other ripples；
(3) the laminar printed circuit board of bar shaped is re-layed above the busbar connector above battery core, carries out phase to a plurality of ripple
Biconditional operation, it should be noted at this time that after PCB is added, thickness direction should cannot be there are gap, in order to avoid influence the fixation of battery core, electricity
Road plate is the battery management unit for monitoring battery pack temperature and voltage；
(4) it when battery core being put into the space that same ripple and panel are surrounded, is formed between battery core meeting and enclosed space
Difference can place temperature controller using the white space where difference, connect temperature by heat-conducting insulation material and battery core
Touching；Can also be more than sandwich plate to be with lower panel, temperature control device is added in battery core position below, meanwhile, some and PCB or temperature
The route of degree adjuster connection can be connect with the white space that enclosed space is formed with the external world by battery core；
(5) sandwich battery pack after processing is completed, utilizes electroheating type hot melt adhesive tape and composite material cap at battery pack port
Shape sealing element melts fitting, completes sealing after cooling and solidifying.
3. the method for improving battery pack using composite sandwich plate structure as described in claim 1, which is characterized in that ripple
The covering of plate can choose the biggish carbon fiber enhancement resin base composite material of bearing capacity, and ripple sandwich of layers can be using carrying
It is required that relatively low galss fiber reinforced resin based composites, it can be according to the size and electric member for selecting battery core
Size designs size trapezoidal in ripple sandwich of layers, this includes trapezoidal height, angle etc., notice that the thickness of sandwich of layers should be big
In the height of battery core, so as to being put into for PCB printed circuit board, and sandwich plate is precast in advance.
4. the method for improving battery pack using composite sandwich plate structure as described in claim 1, which is characterized in that confluence
Row is a kind of thin and roomy sheet metal with high surface area, in order to radiate, by welding or being bolted etc. just
Formula is connected with battery cell, to achieve the purpose that connecting single batteries.
5. the method for improving battery pack using composite sandwich plate structure as described in claim 1, which is characterized in that printing
Circuit board is for signals such as collection voltages and temperature and is transmitted to counterpart external device, to reach the work of monitoring battery real-time status
With.
6. the method for improving battery pack using composite sandwich plate structure as described in claim 1, which is characterized in that temperature
Controller is to be assemblied in battery modules, and be in contact by heat-conducting insulation material with battery case, and then realize to battery
Temperature control.
7. the method for improving battery pack using composite sandwich plate structure as described in claim 1, which is characterized in that temperature control
Equipment is generally the internal aluminum alloy thin plate profile containing coolant line or heating equipment.
8. the method for improving battery pack using composite sandwich plate structure as claimed in claim 2, which is characterized in that mention
The stability of high battery core, the invention also discloses the methods of battery core in fixed module: each battery core in 1. single modules, with heat
Plasticity prepreg tape is tightly bound in together, becomes an entirety；
2. the size on the inside of it according to single module leaves the position limiting structures such as groove and boss when processing lower panel, it is used in combination
Add gluing adhesive, between panel and battery modules in order to fixation of the battery modules in sandwich plate；Or muscle can be used
Mould group is fixed in item.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810831464.5A CN109004132A (en) | 2018-07-26 | 2018-07-26 | A method of battery pack is improved using composite sandwich plate structure |
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| CN201810831464.5A CN109004132A (en) | 2018-07-26 | 2018-07-26 | A method of battery pack is improved using composite sandwich plate structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987370A (en) * | 2019-05-22 | 2020-11-24 | 重庆九环新越新能源科技发展有限公司 | Composite power energy storage monomer, module and equipment based on battery and capacitor and control method thereof |
| CN112738984A (en) * | 2021-01-13 | 2021-04-30 | 深圳市华兴新能源有限公司 | A composite PCB for energy storage battery module with fuse overcurrent and collection and confluence |
| CN114188639A (en) * | 2021-12-17 | 2022-03-15 | 南京航空航天大学 | A composite material modular battery structure, device and preparation method |
| CN116799285A (en) * | 2023-08-18 | 2023-09-22 | 河南科技学院 | A battery pack processing system |
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| CN114188639A (en) * | 2021-12-17 | 2022-03-15 | 南京航空航天大学 | A composite material modular battery structure, device and preparation method |
| CN116799285A (en) * | 2023-08-18 | 2023-09-22 | 河南科技学院 | A battery pack processing system |
| CN116799285B (en) * | 2023-08-18 | 2023-11-03 | 河南科技学院 | A battery pack processing system |
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