CN115000592A - Novel soft-package square-shell battery - Google Patents
Novel soft-package square-shell battery Download PDFInfo
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- CN115000592A CN115000592A CN202210698663.XA CN202210698663A CN115000592A CN 115000592 A CN115000592 A CN 115000592A CN 202210698663 A CN202210698663 A CN 202210698663A CN 115000592 A CN115000592 A CN 115000592A
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- 239000002985 plastic film Substances 0.000 claims description 18
- 229920006255 plastic film Polymers 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000013067 intermediate product Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a novel soft-package square-shell battery, which comprises: the battery comprises a shell, wherein a battery cell is arranged in the shell and is fixedly connected with the shell; the tail ends of the two sides of the shell are connected with end covers, and the end covers are connected with the tail ends of the battery cells; by skillfully combining the soft package and the square shell, the advantages of light weight, high energy and good safety performance of the soft package battery are reserved, the square shell is sleeved outside the soft package battery to protect the soft package battery, and the CTP of the soft package battery is easily realized; the time and the cost for designing, manufacturing and processing the intermediate product module are saved; the novel square shell can be output according to client parameters, is combined in a diversified manner, does not need customized production, gets rid of the situation that the manufacturing and production processes are difficult to unify due to too many types, and is beneficial to standardized production of the battery cell; convenient maintenance, and greatly reduced maintenance cost and time.
Description
Technical Field
The invention relates to the technical field of soft package batteries, in particular to a novel soft package square-shell battery.
Background
The existing soft package battery is composed of a positive electrode, a negative electrode, a diaphragm, electrolyte and an aluminum-plastic composite film, a module is formed by matching a soft package into the module and then is installed in a pack on an automobile, the module is composed of a module control unit (a BMS slave plate in common), a battery monomer, a conductive connecting piece, a plastic frame, a cold plate, a cooling pipeline, pressing plates at two ends and a set of fasteners for combining the components together, and the soft package battery is an intermediate product of a battery core and the pack, is applied to the automobile from the soft package to the pack and also needs to pass through a module intermediate structure, and a battery manufacturer needs to invest a large amount of manpower, material resources and financial resources to design, manufacture and process the module; module assembly process assembly is also a great challenge to the protection of soft package battery cells, and a great number of battery cells are scrapped due to mechanical damage in a module assembly section; one module consists of a plurality of single battery cores, and when the module works, the battery cores have poor heat dissipation and seriously influence the service performance of the battery cores; when one battery cell in the module finds poor insulation, the whole module can be discharged as an insulation defective product and needs to be repaired or even directly scrapped, so that the repair cost and the reject ratio of products are increased; in addition, the modules have a large number of structural components, which adds a large part of the cost.
For example, a "square pouch battery" disclosed in chinese patent literature has a publication number: CN109494321A discloses soft-packaged electrical core, apron, shell and base, puts soft-packaged electrical core in the shell and with the apron connection, can protect soft-packaged electrical core, but the performance and the security of electric core are not considered in this scheme, are unfavorable for electric core heat dissipation, can not realize better CTP.
Disclosure of Invention
In order to solve the problems that the use cost of a battery module is high, the consistency of a soft package battery is poor, the soft package battery is incompatible, and a soft package battery core cannot well realize CTP in the prior art, the invention provides a novel soft package square shell battery which can better protect the soft package battery core, realize the CTP of the battery core and is beneficial to standardized production.
In order to achieve the above purpose, the invention provides the following technical scheme:
a novel soft-package square-shell battery comprises: the battery comprises a shell, wherein a battery cell is arranged in the shell and is fixedly connected with the shell; the end covers are connected to the tail ends of the two sides of the shell and connected with the tail ends of the battery cells. The shell is square, the tail ends of the left side and the right side are provided with mutually communicated openings, the shell is integrally formed, the openings of the left side and the right side of the shell are connected with the end covers, the shell is fixedly connected with the end covers, and the battery cell is fixedly connected with the inner end wall of the shell. Make every laminate polymer battery install a thin shell outward, can guarantee laminate battery's lightweight and replace the module framework through thin shell to protect laminate battery simultaneously to realize laminate battery CTP.
Preferably, the outer end face of the battery cell is provided with an aluminum-plastic film, the aluminum-plastic film is fixedly connected with the inner end wall of the shell, and the aluminum-plastic film is fixedly connected with the battery cell. Can be directly be connected the plastic-aluminum membrane with the shell, save the time and the cost of the design, manufacture and processing of intermediate product module.
Preferably, the tail ends of the two sides of the battery core are provided with lugs which are respectively connected with the inner sides of the corresponding end covers, and the lugs penetrate through the aluminum-plastic film and are fixedly connected with the aluminum-plastic film. The battery in the shell can be connected with the outside through the end cover.
Preferably, a plurality of battery cells are arranged in the shell, the length of each battery cell is the same as that of the shell, the battery cells are arranged inside the shell in parallel, and the end covers are connected with the lugs of each battery cell. Can conveniently arrange electric core as the cell, make up into the battery of different intensity according to the different needs of customer and satisfy the customer demand to realize standardizing, fix a position trouble electric core when conveniently overhauing simultaneously.
Preferably, a plurality of battery cells are arranged in the shell, the length of the battery cells is smaller than that of the shell, the tail ends of the battery cells are connected in sequence, and the thickness of the battery cells is the same as the internal height of the shell. Can conveniently arrange electric core as the cell, conveniently make up the battery that forms different intensity according to the demand that the customer is different, fix a position trouble electric core when conveniently overhauing.
Preferably, the shell is connected with the aluminum plastic film through heat conducting glue, and the shell is an aluminum shell, a steel shell or a carbon fiber shell. The shell is not in direct contact with the electrolyte, so that no special corrosion-resistant requirement exists, the advantage of high energy density of the soft package battery is reserved, and the advantages of good square shell consistency and high mechanical strength are combined.
Preferably, the automobile chassis is further provided with a battery jar, a plurality of shells which are arranged in parallel are arranged in the battery jar, and a plurality of battery cells are arranged in a single shell. The battery unit is convenient to install, and compared with the traditional multi-battery-core module unit, the battery unit is more beneficial to heat dissipation of a battery core monomer, the service performance and safety of the battery core are improved, and the service life of the battery core is prolonged; when a certain electric core monomer has the problems of leakage or poor insulation, each battery shell is only required to be detected, and the whole module is prevented from being disassembled, maintained and replaced.
The invention has the following advantages:
(1) by skillfully combining the soft package and the square shell, the advantages of light weight, high energy and good safety performance of the soft package battery are reserved, the square shell is sleeved outside the soft package battery to protect the soft package battery, and the CTP of the soft package battery is easily realized; (2) the time and the cost for designing, manufacturing and processing the intermediate product module are saved; (3) the novel square shell can be output according to client parameters, is diversified in combination, does not need customized production, and gets rid of the situation that the manufacturing and production processes are difficult to unify due to too many models, so that standardized production of the battery cell is facilitated; (4) convenient maintenance, and greatly reduced maintenance cost and time.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a single-cell soft-package square-shell battery of the invention.
Fig. 2 is a schematic structural diagram of a soft-package square-shell battery with a multi-parallel structure according to the invention.
Fig. 3 is a schematic diagram of a multi-string structure soft-package square-shell battery structure of the invention.
Fig. 4 is a schematic structural diagram of the novel soft-package square-shell battery and the automobile chassis.
In the figure:
1-a housing; 2-electric core; 3-end cover; 4-an automobile chassis; 6-battery jar.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, in a preferred embodiment, the invention discloses a novel soft-package square-shell battery, which comprises a shell 1, wherein a battery core 2 is connected in the shell, the shell is a rectangular metal shell, openings are formed in the left end and the right end of the shell, end covers 3 are connected to the openings in the left end and the right end of the shell, and a positive terminal and a negative terminal are arranged on one end face of each end cover, which is far away from the shell; the outer terminal surface of electricity core is connected with the plastic-aluminum membrane, and the interior endwall fixed connection of plastic-aluminum membrane and shell, end wall pass through heat-conducting glue and are connected in plastic-aluminum membrane and the shell, and the electricity core left and right sides all is equipped with utmost point ear, and utmost point ear is kept away from electricity core one side and is connected with the inner endwall of the end cover that corresponds respectively. The shell is not in direct contact with the electrolyte, so that the special corrosion resistance requirement is not required, and the strength requirement of the shell can be reduced through the aluminum plastic film packaging. Select for use lightweight aluminum hull and steel casing, or the shell of other non-metallic materials, both remain laminate polymer battery's the high advantage of energy density, also fuse the advantage that the square shell uniformity is good, mechanical strength is high.
As shown in fig. 2, in a second embodiment, the invention discloses a novel soft-package square-shell battery, wherein a plurality of battery cells are connected in a shell, the battery cells are stacked in the shell in a multilayer arrangement by abutting upper and lower surfaces, the length of each battery cell is the same as that of the shell, the stacking height of the battery cells is the same as that of the shell, an aluminum-plastic film is connected to the outer end surface of each soft-package battery cell, and the aluminum-plastic film is connected with the shell through the aluminum-plastic film. The energy density of the battery can be adjusted as needed.
As shown in fig. 3, in a third embodiment, the invention discloses a novel soft-package square-shell battery, wherein a plurality of battery cells are connected in a shell, the battery cells are connected and arranged inside the shell through a left end face and a right end face, the connection length of the plurality of battery cells is the same as the length of the shell, and the height of each battery cell is the same as the height of the shell. Through the random collocation, the small battery units with multi-gradient energy density can be realized, and a new product does not need to be customized and designed independently to meet the customer requirements, so that the standardized design of the product is facilitated.
As shown in fig. 4, in a fourth embodiment, the invention discloses a novel soft-package square-shell battery, which comprises an automobile chassis 4, wherein a battery jar 6 is arranged on the upper end surface of the automobile chassis 4, a plurality of soft-package square-shell batteries are arranged in the battery jar, the soft-package square-shell batteries are arranged in parallel, each soft-package square-shell battery comprises a shell, the shell is fixedly connected with the battery jar, one or more electric cores are connected in the shell, an aluminum-plastic film is arranged on the outer end surface of each electric core, the aluminum-plastic film is fixedly connected with the inner end wall of the shell, end covers are fixedly connected with the tail ends of two sides of the shell, positive and negative terminals are arranged on the outer sides of the end covers, and the inner sides of the end covers are connected with the electric cores; the terminal is equipped with utmost point ear in electric core both sides, and the inboard utmost point ear with the electric core that corresponds of end cover is connected. The heat dissipation of the single battery cell can be facilitated, the service performance and safety of the battery cell are improved, and the service life of the battery cell is prolonged; when certain electric core monomer leakage or insulating bad scheduling problem appear, can directly judge through the detection to soft packet of square shell battery, the new battery of direct replacement, reprocess through disassembling inside electric core, shorten troubleshooting's time greatly, reduce the breakdown maintenance cost.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (7)
1. The utility model provides a novel soft packet of square shell battery which characterized in that includes: the battery comprises a shell, wherein a battery cell is arranged in the shell and fixedly connected with the shell; the end of the two sides of the shell is connected with an end cover, and the end cover is connected with the end of the battery cell.
2. The novel soft-packaged square-shell battery according to claim 1, wherein an aluminum-plastic film is arranged on the outer end face of the battery core, the aluminum-plastic film is fixedly connected with the inner end wall of the housing, and the aluminum-plastic film is fixedly connected with the battery core.
3. The novel soft-package square-shell battery according to claim 1 or 2, wherein tabs are arranged at the ends of two sides of the battery core, the tabs are respectively connected with the inner sides of the corresponding end covers, and the tabs penetrate through the aluminum-plastic film and are fixedly connected with the aluminum-plastic film.
4. The novel soft-package square-shell battery according to claim 3, wherein a plurality of cells are arranged in the housing, the length of the cells is the same as that of the housing, the cells are arranged in parallel inside the housing, and the end caps are connected with the tabs of each cell.
5. The novel soft-packaged square-shell battery according to claim 3, wherein a plurality of cells are arranged in the housing, the length of the cells is smaller than that of the housing, the ends of the cells are connected in sequence, and the thickness of the cells is the same as the internal height of the housing.
6. The novel soft-packaged square-shell battery according to claim 4 or 5, wherein the outer shell is connected with the aluminum plastic film through a heat conducting adhesive, and the outer shell is an aluminum shell, a steel shell or a carbon fiber shell.
7. The novel soft-packaged square-shell battery according to claim 3, further comprising an automobile chassis, wherein the automobile chassis is provided with a battery jar, a plurality of shells are arranged side by side in the battery jar, and a plurality of battery cells are arranged in a single shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210698663.XA CN115000592A (en) | 2022-06-20 | 2022-06-20 | Novel soft-package square-shell battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210698663.XA CN115000592A (en) | 2022-06-20 | 2022-06-20 | Novel soft-package square-shell battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115000592A true CN115000592A (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210698663.XA Pending CN115000592A (en) | 2022-06-20 | 2022-06-20 | Novel soft-package square-shell battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115000592A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206236711U (en) * | 2016-12-21 | 2017-06-09 | 桑顿新能源科技有限公司 | A kind of encapsulating structure of soft-package battery |
| CN109494321A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | Rectangular soft-package battery |
| CN209045655U (en) * | 2018-12-10 | 2019-06-28 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN210073955U (en) * | 2019-06-28 | 2020-02-14 | 杭州捷能科技有限公司 | Expandable soft package battery module |
| CN111490209A (en) * | 2020-04-29 | 2020-08-04 | 湖北亿纬动力有限公司 | Laminate polymer battery module and new energy automobile |
| CN212011154U (en) * | 2020-04-30 | 2020-11-24 | 昆山宝创新能源科技有限公司 | Laminate polymer electric core and battery package and vehicle |
| CN212209680U (en) * | 2020-06-30 | 2020-12-22 | 蜂巢能源科技有限公司 | Combined battery core and battery with same |
| WO2021217967A1 (en) * | 2020-04-30 | 2021-11-04 | 昆山宝创新能源科技有限公司 | Battery module, battery pack and vehicle |
| CN214957119U (en) * | 2021-07-05 | 2021-11-30 | 天津市捷威动力工业有限公司 | Soft-packaged battery cell unit |
| CN215527830U (en) * | 2021-05-20 | 2022-01-14 | 天能新能源(湖州)有限公司 | Battery module and battery pack |
| CN216529247U (en) * | 2021-11-24 | 2022-05-13 | 比亚迪股份有限公司 | Electricity core unit, battery and car |
-
2022
- 2022-06-20 CN CN202210698663.XA patent/CN115000592A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206236711U (en) * | 2016-12-21 | 2017-06-09 | 桑顿新能源科技有限公司 | A kind of encapsulating structure of soft-package battery |
| CN109494321A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | Rectangular soft-package battery |
| CN209045655U (en) * | 2018-12-10 | 2019-06-28 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN210073955U (en) * | 2019-06-28 | 2020-02-14 | 杭州捷能科技有限公司 | Expandable soft package battery module |
| CN111490209A (en) * | 2020-04-29 | 2020-08-04 | 湖北亿纬动力有限公司 | Laminate polymer battery module and new energy automobile |
| CN212011154U (en) * | 2020-04-30 | 2020-11-24 | 昆山宝创新能源科技有限公司 | Laminate polymer electric core and battery package and vehicle |
| WO2021217967A1 (en) * | 2020-04-30 | 2021-11-04 | 昆山宝创新能源科技有限公司 | Battery module, battery pack and vehicle |
| CN212209680U (en) * | 2020-06-30 | 2020-12-22 | 蜂巢能源科技有限公司 | Combined battery core and battery with same |
| CN215527830U (en) * | 2021-05-20 | 2022-01-14 | 天能新能源(湖州)有限公司 | Battery module and battery pack |
| CN214957119U (en) * | 2021-07-05 | 2021-11-30 | 天津市捷威动力工业有限公司 | Soft-packaged battery cell unit |
| CN216529247U (en) * | 2021-11-24 | 2022-05-13 | 比亚迪股份有限公司 | Electricity core unit, battery and car |
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