CN109742285A - A kind of soft-package battery mould group and its assemble method - Google Patents
A kind of soft-package battery mould group and its assemble method Download PDFInfo
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- CN109742285A CN109742285A CN201910041607.7A CN201910041607A CN109742285A CN 109742285 A CN109742285 A CN 109742285A CN 201910041607 A CN201910041607 A CN 201910041607A CN 109742285 A CN109742285 A CN 109742285A
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- battery
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- battery core
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A kind of soft-package battery mould group and its assemble method, including shell and it is set to the intracorporal battery module of shell, the battery modules both ends are equipped with integrated cover board, and the protective plate of insulation system is equipped between the integrated cover board and shell；The battery module includes at least one battery unit, and the battery unit includes the battery core of two pieces of parallel arrangements, and buffer layer is equipped between two pieces of battery cores, the battery core bracket for fixing two pieces of battery cores is equipped on the outside of two pieces of battery cores；Increase the plate wall thickness of junction, the security performance in the laser beam welding of guarantee, the plate burn-through effectively avoided and generation the phenomenon that lose battery core in shell；The application fast and accurately accurately can be installed and be fixed to multiple groups battery unit; motor mount and electrode column shield are additionally provided at protective plate simultaneously; thus can external electrode column to battery modules carry out high voltage protection, protect the security performance of battery.
Description
Technical field
The present invention relates to battery technology field, specifically a kind of soft-package battery mould group and its assemble method.
Background technique
The problems such as due to environmental pollution, clean energy resource, Green Travel concept be more rooted in the hearts of the people, and this just needs to clean
Free of contamination pure electric automobile.And the pure electric automobile conventional fuel oil automobile that compares has insufficient driving range and charging difficulty etc. to ask
Topic, and this is proposed acid test to the lightweight of electric vehicle battery system, energy density, safety, reliability etc..
Soft pack cell especially ternary soft pack cell is since it is more rectangular and cylindrical electrical core has higher energy density, just
It is being more and more widely used in electric vehicle battery system.At the same time, soft pack cell is again due to no outer metallic shell
Body causes the performances such as self-strength deficiency, antivibration insufficient, needs comprehensive protection, also proposed to battery group higher
It is required that.
Summary of the invention
The purpose of the present invention is to provide a kind of soft-package battery mould group and its assemble methods, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of soft-package battery mould group, including shell and it is set to the intracorporal battery module of shell, the battery modules both ends are equipped with
Integrated cover board, is equipped with the protective plate of insulation system between the integrated cover board and shell；
The battery module includes at least one battery unit, and the battery unit includes the battery cores of two pieces of parallel arrangements, and two pieces
It is equipped with buffer layer between the battery core, the battery core bracket for fixing two pieces of battery cores is equipped on the outside of two pieces of battery cores；
The integrated cover board is equipped with guide post at battery module, and the integrated cover board is equipped with to be arranged in parallel with the battery core
Grid, for the grid close to the bottom of guide post, the integrated cover board is equipped with electrode column, both ends institute close to the side of protective plate
It states and is equipped with connection wiring harness between integrated cover board.
As a further solution of the present invention: the shell includes bottom plate and the end plate for being set to bottom plate both ends, described
Bottom plate upper end is equipped with housing.
As a further solution of the present invention: the end plate is equipped with the fixation for connecting with housing close to the side of housing
The junction of column, the bottom plate two sides and housing is equipped with flanging.
As a further solution of the present invention: there are six the battery unit is set, the electric machine support includes detachably connecting
The first battery core bracket and the second battery core bracket connect.
As a further solution of the present invention: the buffer layer is EVA foamed cotton layer.
As a further solution of the present invention: the integrated cover board includes integrated cover board pedestal, and the integrated cover board passes through
Integrated cover board pedestal is detachably connected with bottom plate.
As a further solution of the present invention: the bottom plate both ends are equipped with the first clamp, the collection at integrated cover board
The first buckle, the bottom plate and integrated cover board, which are equipped with, close to the side of bottom plate at cover board pedestal passes through the first clamp and the first buckle
Grafting.
As a further solution of the present invention: the guide post is trigonal pyramidal structure.
As a further solution of the present invention: protective plate upper end position corresponding with the electrode column is solid equipped with electrode
Reservation is rotatably connected to electrode protection cover in the motor fixing seat.
As a further solution of the present invention: the integrated cover board is equipped with the second buckle close to the side of protective plate, described
It is equipped with the second clamp close to the side of integrated cover board on protective plate, second clamp is detachably connected with second buckle.
A kind of assemble method of soft-package battery mould group, which comprises the following steps:
Step 1, the sequence assembled battery being arranged successively according to the first battery core, battery core, EVA foamed cotton layer, battery core, the second battery core bracket
Unit, and multiple battery units are subjected to binding and are pre-fixed；
Step 2 applies pressure to the multiple groups battery unit after binding in a thickness direction, and multiple battery units stacked are squeezed
To suitable thickness；
Step 3, the tab for cleaning all battery core both ends, and cell polar ear is passed through to the grid integrated on cover board, then by battery core
On tab and integrated cover board on busbar connector be welded to connect；
Step 4, mounting base, by the first buckle on the second clamp and integrated cover board on bottom plate to bottom plate and integrated cover board
It is positioned and is fixed；
Step 5, installation both ends protective plate, by the second buckle on the second clamp and integrated cover board on protective plate to protective plate
It is pre-fixed and is positioned with basic cover board；
Step 6, the end plate and housing for assembling both ends, and the junction of the junction to end face and housing, housing and bottom plate carries out
Laser penetration welding；
Battery performance inspection is carried out after the completion of step 7, welding.
As a further solution of the present invention: aluminum heat conducting plate is installed between the adjacent battery core unit in step 1, it is described to lead
The side that hot aluminium sheet is contacted with battery unit is pasted with insulating film.
As a further solution of the present invention: the tab of battery core is double-layer structure and distinguishes copper polar ear and aluminium pole ears, described
On tab and integrated cover board during busbar connector welding, make copper polar ear between aluminium pole ears and busbar connector.
Compared with prior art, the beneficial effects of the present invention are:
1, bottom plate, end plate and the housing in the application shell connect into an entirety by laser welding, ensure that whole strong
Degree and rigidity effectively protect the safety of the intracorporal soft pack cell of shell, while being equipped with folding in bottom plate and connecting into for housing
The junction of side, end plate and housing is equipped with fixed column, thus is effectively increased the plate wall thickness of junction, the Laser Welding of guarantee
Security performance in termination process, the plate burn-through effectively avoided and generation the phenomenon that lose battery core in shell；
2, by the way that EVA foam is arranged between battery core in the battery unit of the application, by EVA foam to battery core charge and discharge process
In volume change carry out Spatial absorptive or supplement, hereby it is ensured that the security performance of battery core, reduce that soft pack cell is broken or electricity
Solve the risk of liquid leakage
3, the application is by being equipped with guide post, grid and electrode column in the junction of integrated cover board and battery unit, thus can
Fast and accurately multiple groups battery unit is accurately installed and be fixed, while motor installation is additionally provided at protective plate
Seat and electrode column shield, thus can external electrode column to battery modules carry out high voltage protection, protect the peace of battery
Full performance.
Detailed description of the invention
Fig. 1 is axis surveys view of the present invention；
Fig. 2 is the deployed configuration schematic diagram of invention；
Fig. 3, Fig. 4 are inventive shell structural schematic diagram；
Fig. 5 is battery modular structure schematic diagram of the invention；
Fig. 6 is protection plate structure schematic diagram of the invention；
Fig. 7, Fig. 8 are integrated covering plate structure schematic diagram of the invention；
In figure: 1- shell, 11- end plate, 12- housing, 13- bottom plate, 14- fixed column, the first clamp of 15-, 16- flanging, 2- battery
Module, 21- battery unit, the first battery core bracket of 22-, 23- battery core, 24-EVA foamed cotton layer, the second battery core bracket of 25-, 3- protection
Plate, 31- electrode fixed seat, 32- electrode protection cover, the second clamp of 33-, 4- integrate cover board, 41- integrates cover board pedestal, 42- first
Buckle, 43- guide post, 44- grid, 45- second buckle, 46- connection wiring harness, 47- electrode column.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-8, in the embodiment of the present invention, a kind of soft-package battery mould group, including shell 1 and it is set to shell 1
Interior battery module 2,2 both ends of battery modules are equipped with integrated end cap 4, integrate and are equipped with the anti-of insulation system between end cap 4 and shell 1
Backplate 3；
Shell 1 includes bottom plate 13 and the end plate 11 for being set to 13 both ends of bottom plate, and 13 upper end of bottom plate is equipped with housing 12, and end plate 11 leans on
The side of nearly housing 12 is equipped with the fixed column 14 for connecting with housing 12, and 13 two sides of bottom plate and the junction of housing 12 are set
There is flanging 16, end plate 11, bottom plate 13 and housing 12 are aluminum alloy material, simultaneously because in the junction of housing 12 and end plate 11
Equipped with fixed column 14, in connecting into equipped with flanging 16 for housing 12 and bottom plate 13, thus junction is thickeied, it can be effective
The security performance guaranteed in 1 laser welding of shell, prevent in laser welding generate burn-through the phenomenon that, protect shell 1
The safety of interior battery module 2；
Battery module 2 includes at least one battery unit 21, and battery unit 21 includes the battery core 23 of two pieces of parallel arrangements, in this reality
It applies in example, battery module sets that there are six battery units 21 to amount to 12 battery cores 23, and buffer layer is equipped between two pieces of battery cores 23, is delayed
Rushing layer is EVA foamed cotton layer 24, and the battery core bracket for fixing two pieces of battery cores 23, battery core bracket are equipped on the outside of two pieces of battery cores 23
Including the first battery core bracket 22 and the second battery core bracket 25 being detachably connected, pass through the first battery core bracket 22 and the second battery core branch
Frame 25 is that battery core 23 and EVA foamed cotton layer 24 provide support, due to being equipped with EVA foamed cotton layer 24 between two pieces of battery cores 23, thus
When battery core 23 generates volume because of charge and discharge and becomes larger or reduce, EVA foamed cotton layer 24 can absorb the charging of battery core 23 by shrinking
23 swell increment of battery core generated in the process, when 23 discharge volume of battery core restores, EVA foamed cotton layer 24 can restore original thickness simultaneously
It spends, and then can continue to guarantee the security performance of battery unit 21, effectively avoid the electrolyte of the expansion of recording battery core and generation
The risk of leakage, while heat-conducting plate is equipped between adjacent battery unit 21, heat-conducting plate is that two sides fitting is exhausted in the present embodiment
The aluminum heat conducting plate of edge layer, and heat-conducting glue is coated between aluminum heat conducting plate and battery unit, to reinforce heating conduction；
Integrated cover board 4 is equipped with guide post 43 at battery module 2, and guide post 43 is trigonal pyramidal structure, sets on integrated cover board 4
There is the grid 44 being arranged in parallel with battery core 23, tab of the grid 44 on the bottom of guide post 43, battery core 23 can pass through grid
Lattice 44 integrate cover board 4 far from the side of battery core 23 and are equipped with busbar connector, and 23 both ends of battery core are equipped with tab, and in the present embodiment
Tab is double-layer structure, the copper tab in side, one layer of aluminum tab, and when battery modules 2 and integrated cover board 4 assemble, is led to
Crossing guide post 43 is that battery unit 21 is oriented to, and can be battery unit 21 and fast and accurately docks with integrated cover board, integrates
Cover board 4 is equipped with electrode column 47 close to the side of protective plate 3, and both ends, which integrate, is equipped with connection wiring harness 46, battery unit 21 between cover board 4
The battery pole ear at both ends pass through grid 44 and the busbar connector by being arranged on integrated cover board 4 to the positive and negative anodes of all battery cores 23 into
Row collects, and connect with electrode column 27；
It is equipped with integrated cover board pedestal 41 in integrated cover board 4, integrates cover board pedestal 41 close to the side of bottom plate 13 and is equipped with the first buckle
42,13 both ends of bottom plate be equipped at integrated cover board 4 first clamp 15, bottom plate 13 and integrated cover board 4 by the first clamp 15 and
First 42 grafting of buckle, thus integrated cover board 4 is detachably connected by integrated cover board pedestal 41 with bottom plate 13；Integrated cover board 4 leans on
The side of nearly protective plate 3 is equipped with the second buckle 45, is equipped with the second clamp 33 close to the side of integrated cover board 4 on protective plate 3, and second
Clamp 33 is detachably connected with second buckle 45, and then be can be integrated cover board 4 and be detachably connected with protective plate 3.
Protective plate 3 is the plastic cement material with good insulating performance, and 3 upper end of protective plate position corresponding with electrode column 47 is set
Have electrode fixed seat 31, thus when integrated cover board 4 is connect with protective plate 3, electrode column 47 be inserted into motor fixing seat 31 into, into
And the fixation of electrode is completed, it is rotatably connected to electrode protection cover 32 in motor fixing seat 31, is setting by electrode protection cover 32
The exposed electrode terminal in 1 outside of shell in motor fixing seat 31 provides protection.
A kind of assemble method of soft-package battery mould group, which comprises the following steps:
Step 1 is arranged successively according to the first battery core bracket 22, battery core 23, EVA foamed cotton layer 24, battery core 23, the second battery core bracket 25
Sequence assembled battery unit 21 the first battery core bracket 22 is placed on lowermost end first during assembling, then by
One battery core 23 is put into the first battery core bracket 22, then EVA foamed cotton layer 24 is placed in first battery core 23, then installs
Two battery core brackets 25, and by the second battery core bracket 25 and the first battery core and oneself 22 be clamped, and then complete a battery list
Then multiple battery units 21 are carried out binding by band and pre-fixed by the assembling of member 21, during battery unit binding,
It is put into aluminum heat conducting plate between adjacent battery unit 21, and is coated with heat-conducting glue on importing aluminium sheet；
Step 2 applies pressure to the multiple groups battery unit 21 after binding in a thickness direction, by multiple battery units 21 stacked
It is expressed to suitable thickness；
Step 3, all 23 both ends of battery core of cleaning tab, and 23 tab of battery core is passed through to the grid 44 on integrated cover board 4, then
Busbar connector on tab and integrated cover board 4 in battery core 23 is welded to connect, since the tab in battery core 23 is copper, aluminium bilayer knot
Structure, thus during the welding process, it is that copper tab is directly contacted with busbar connector, i.e., with busbar connector, copper tab, aluminum tab
Stacking mode welded, and then can prevent aluminum tab in welding process from melting the appearance of phenomenon；
Step 4, mounting base 13 pass through the second clamp 15 on bottom plate 13 and first 42 pairs of bottom plates of buckle on integrated cover board 4
13 are positioned and are fixed with integrated cover board 4.
Step 5, installation both ends protective plate 3 pass through the second clamp 33 on protective plate 3 and the second card on integrated cover board 4
45 pairs of protective plates 3 are detained to be pre-fixed and positioned with basic cover board 4；
Step 6, the end plate 11 and housing 12 for assembling both ends, and the junction to end face 11 and housing 12, housing 12 and bottom plate 13
Junction carry out laser penetration welding；
Battery performance inspection is carried out after the completion of step 7, welding.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of soft-package battery mould group, including shell (1) and the battery module (2) being set in shell (1), feature exists
In battery modules (2) both ends are equipped with integrated cover board (4), and insulation knot is equipped between the integrated cover board (4) and shell (1)
The protective plate (3) of structure；
The battery module (2) includes at least one battery unit (21), and the battery unit (21) includes two pieces of parallel arrangements
Battery core (23), buffer layer is equipped between two pieces of battery cores (23), is equipped on the outside of two pieces of battery cores (23) for fixing two
The battery core bracket of battery core described in block (23)；
The integrated cover board (4) is equipped with guide post (43) at battery module (2), and the integrated cover board (4) is equipped with and institute
State the grid (44) of battery core (23) parallel arrangement, bottom of the grid (44) close to guide post (43), the integrated cover board (4)
Side close to protective plate (3) is equipped with electrode column (47), integrates described in both ends and is equipped with connection wiring harness (46) between cover board (4).
2. a kind of soft-package battery mould group according to claim 1, which is characterized in that the shell (1) includes bottom plate (13)
And it is set to the end plate (11) at bottom plate (13) both ends, bottom plate (13) upper end is equipped with housing (12), and the end plate (11) is leaned on
The side of nearly housing (12) is equipped with the fixed column (14) for connect with housing (12), bottom plate (13) two sides and housing (12)
Junction be equipped with flanging (16).
3. a kind of soft-package battery mould group according to claim 1, which is characterized in that the battery unit (21) is equipped with six
A, the electrode support includes the first battery core bracket (22) and the second battery core bracket (25) being detachably connected, the buffer layer
For EVA foamed cotton layer (24).
4. a kind of soft-package battery mould group according to claim 2, which is characterized in that the integrated cover board (4) includes integrated
Cover board pedestal (41), the integrated cover board (4) are detachably connected by integrated cover board pedestal (41) with bottom plate (13).
5. a kind of soft-package battery mould group according to claim 4, which is characterized in that bottom plate (13) both ends are close to integrated
The first clamp (15) are equipped at cover board (4), the integrated cover board pedestal (41) is equipped with the first buckle close to the side of bottom plate (13)
(42), the bottom plate (13) and integrated cover board (4) pass through the first clamp (15) and first buckle (42) grafting.
6. a kind of soft-package battery mould group according to claim 1, which is characterized in that protective plate (3) upper end with it is described
The corresponding position of electrode column (47) is equipped with electrode fixed seat (31), is rotatably connected to electrode protection on the motor fixing seat (31)
It covers (32).
7. a kind of soft-package battery mould group according to claim 1, which is characterized in that the integrated cover board (4) is close to protection
The side of plate (3) is equipped with the second buckle (45), and the side of close integrated cover board (4) is equipped with the second clamp on the protective plate (3)
(33), second clamp (33) is detachably connected with second buckle (45).
8. a kind of assemble method of soft-package battery mould group as described in claim 1-7, which comprises the following steps:
Step 1, according to the first battery core (22), battery core (23), EVA foamed cotton layer (24), battery core (23), the second battery core bracket (25) according to
The sequence assembled battery unit (21) of secondary arrangement, and multiple battery units (21) are subjected to binding and are pre-fixed；
Step 2 applies pressure to the multiple groups battery unit (21) after binding in a thickness direction, by multiple battery units stacked
(21) it is expressed to suitable thickness；
Step 3, the tab for cleaning all battery core (23) both ends, and battery core (23) tab is passed through into the grid on integrated cover board (4)
(44), then the tab on battery core (23) is welded to connect with busbar connector on integrated cover board (4)；
Step 4, mounting base (13), the first buckle by the second clamp (15) on bottom plate (13) and on integrated cover board (4)
(42) bottom plate (13) and integrated cover board (4) are positioned and is fixed；
Step 5, installation both ends protective plate (3) pass through the on the second clamp (33) on protective plate (3) and integrated cover board (4)
Two buckles (45) are pre-fixed and are positioned to protective plate (3) and basic cover board (4)；
Step 6, the end plate (11) and housing (12) for assembling both ends, and to the junction of end face (11) and housing (12), housing
(12) laser penetration welding is carried out with the junction of bottom plate (13)；
Battery performance inspection is carried out after the completion of step 6, welding.
9. a kind of assemble method of soft-package battery mould group according to claim 8, which is characterized in that phase in the step 1
Heat-conducting plate is installed between the adjacent battery core unit (21), the side that the heat-conducting plate is contacted with battery unit (21) is pasted with insulation
Film.
10. a kind of assemble method of soft-package battery mould group according to claim 8, which is characterized in that the battery core (23)
Tab be double-layer structure and copper polar ear and aluminium pole ears respectively, the process of busbar connector welding on the tab and integrated cover board (4)
In, make copper polar ear between aluminium pole ears and busbar connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041607.7A CN109742285A (en) | 2019-01-16 | 2019-01-16 | A kind of soft-package battery mould group and its assemble method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041607.7A CN109742285A (en) | 2019-01-16 | 2019-01-16 | A kind of soft-package battery mould group and its assemble method |
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| CN109742285A true CN109742285A (en) | 2019-05-10 |
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| CN201910041607.7A Pending CN109742285A (en) | 2019-01-16 | 2019-01-16 | A kind of soft-package battery mould group and its assemble method |
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Cited By (12)
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| CN110085900A (en) * | 2019-05-20 | 2019-08-02 | 合肥国轩高科动力能源有限公司 | A kind of soft-package battery mould group and assemble method |
| CN110444705A (en) * | 2019-06-20 | 2019-11-12 | 恒大新能源科技集团有限公司 | A kind of battery modules heat conduction structure and glue spreading method |
| CN111129650A (en) * | 2019-12-31 | 2020-05-08 | 上海派能能源科技股份有限公司 | Battery module and battery module system |
| CN111326692A (en) * | 2019-12-26 | 2020-06-23 | 湖北锂诺新能源科技有限公司 | Soft package battery module structure and assembly method thereof |
| CN111554189A (en) * | 2020-05-15 | 2020-08-18 | 京东方科技集团股份有限公司 | Flexible display device |
| CN111554838A (en) * | 2020-06-16 | 2020-08-18 | 合肥国轩高科动力能源有限公司 | Soft package module integrated cover plate structure |
| CN111668419A (en) * | 2020-05-21 | 2020-09-15 | 合肥国轩高科动力能源有限公司 | Soft package battery module and assembling method thereof |
| CN112332006A (en) * | 2019-08-27 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
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| CN112582719A (en) * | 2019-09-29 | 2021-03-30 | 东莞新能源科技有限公司 | Battery module unit, battery module, energy storage system and electric vehicle |
| CN112703633A (en) * | 2019-08-27 | 2021-04-23 | 淄博火炬能源有限责任公司 | 48V compact battery pack based on two-side tab-outlet soft-packaged battery cell |
| WO2021221284A1 (en) * | 2020-04-27 | 2021-11-04 | 주식회사 엘지에너지솔루션 | Battery module and battery pack comprising same |
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|---|---|---|---|---|
| CN110085900A (en) * | 2019-05-20 | 2019-08-02 | 合肥国轩高科动力能源有限公司 | A kind of soft-package battery mould group and assemble method |
| CN110085900B (en) * | 2019-05-20 | 2021-10-15 | 合肥国轩高科动力能源有限公司 | Soft package battery module and assembling method |
| CN110444705A (en) * | 2019-06-20 | 2019-11-12 | 恒大新能源科技集团有限公司 | A kind of battery modules heat conduction structure and glue spreading method |
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