CN115621648A - Doubly salient battery connecting structure and battery module - Google Patents
Doubly salient battery connecting structure and battery module Download PDFInfo
- Publication number
- CN115621648A CN115621648A CN202211390926.7A CN202211390926A CN115621648A CN 115621648 A CN115621648 A CN 115621648A CN 202211390926 A CN202211390926 A CN 202211390926A CN 115621648 A CN115621648 A CN 115621648A
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- Prior art keywords
- battery
- clamping groove
- electrode
- tube spring
- salient
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
-
- 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
- H01M50/543—Terminals
-
- 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
Abstract
The invention discloses a connecting structure of a doubly salient battery and a battery module, and relates to the field of connection of combined batteries. The electrode assembly comprises a combined frame, an electrode sleeve and a tube spring, wherein the combined frame comprises a first clamping groove and a second clamping groove which are communicated, and the opening directions of the first clamping groove and the second clamping groove are opposite; the electrode sleeve is a metal hollow cylinder with one open end and one closed end; the tube spring is a metal hollow cylinder with an open end and a closed end, and the side wall of the tube spring protrudes outwards; the electrode sleeve is embedded in the first clamping groove, the tube spring is embedded in the electrode sleeve, and the outer side of the circumferential side wall of the tube spring is connected with the inner side of the circumferential side wall of the electrode sleeve in an abutting mode. The invention can realize the assembly and disassembly of the double-salient pole battery, and has simple structure and low cost.
Description
Technical Field
The invention relates to the field of connection of assembled batteries, in particular to a connection structure of a cylindrical battery with a positive electrode and a negative electrode both being convex electrodes and a battery module.
Background
In the prior art, a battery module usually needs to be assembled by connecting a plurality of battery cells in series or in parallel, the current cylindrical batteries are all provided with only one protruding electrode (usually, a battery anode), the shells of the cylindrical batteries are usually battery cathodes, and the series connection and the parallel connection of the battery modules are connected through the battery shell electrodes. At present, a cylindrical battery with a convex positive electrode and a convex negative electrode is available, and a cylindrical shell of a double-convex electrode is not a positive electrode or a negative electrode of the battery, so that a traditional battery series structure is no longer applicable.
Disclosure of Invention
In order to achieve the purpose, the invention provides a connecting structure of a double-salient pole battery and a battery module, which are used for realizing convenient connection and disassembly of the double-salient pole battery.
The invention provides a doubly salient battery connecting structure, wherein the battery is a doubly salient battery and comprises a combined frame, an electrode sleeve and a tube spring, the combined frame comprises a first clamping groove and a second clamping groove which are communicated, and the opening directions of the first clamping groove and the second clamping groove are opposite; the electrode sleeve is a metal hollow cylinder with an open end and a closed end; the tube spring is a metal hollow cylinder with an open end and a closed end, and the side wall of the tube spring protrudes outwards; the electrode sleeve is embedded in the first clamping groove, the tube spring is embedded in the electrode sleeve, and the outer side of the circumferential side wall of the tube spring is connected with the inner side of the circumferential side wall of the electrode sleeve in an abutting mode.
Furthermore, the combined frame comprises a first side face and a second side face which are oppositely arranged, wherein a plurality of first clamping grooves are formed in the first side face, and second clamping grooves corresponding to the first clamping grooves are formed in the second side face.
Furthermore, a partition plate is arranged between the first clamping groove and the second clamping groove, a through hole is formed in the partition plate, and the diameter of the through hole is larger than the outer diameter of the battery electrode.
Further, the thickness of the separator is less than the height of the battery electrodes.
Furthermore, the section of the longitudinal section of the side wall of the tube spring is an arc shape protruding outwards, and the side wall of the tube spring is provided with through grooves uniformly arranged in an array manner.
Furthermore, the size and the shape in the first clamping groove are matched and correspond to the size and the shape outside the electrode sleeve.
Furthermore, the shape and size of the open end of the tube spring are matched and corresponding to the shape and size of the battery.
The invention provides a battery module, which is characterized by comprising a plurality of batteries and a plurality of double-salient-pole battery connecting structures, wherein electrodes of the batteries extend into the double-salient-pole battery connecting structures from the open ends of tube springs and are fixedly connected with the bottom surfaces of the tube springs, the tube springs are embedded in electrode sleeves, the electrode sleeves are embedded in first clamping grooves of a combined frame, and the open ends of second clamping grooves of another battery are inserted and then are fixedly connected with the outer sides of the bottom surfaces of the electrode sleeves in the first clamping grooves.
Compared with the prior art, the invention has the following technical effects:
the invention combines the conductivity and elasticity of the tube spring, and can quickly connect and disassemble the battery through the combined frame. The connecting structure is simple, the battery module is formed by the double-salient-pole batteries and the double-salient-pole battery connecting structure, the reliable connection of the single batteries can be realized, the assembly and disassembly of the battery module are convenient and quick, the production cost is low, and the echelon utilization of the single batteries can be realized.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is an isometric view of a tube spring according to an embodiment of the present invention;
FIG. 2 is an isometric view of an electrode sheath according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of a composite frame according to one embodiment of the present invention;
fig. 4 is a half sectional view of a unit cell assembly according to an embodiment of the present invention;
fig. 5 is a half sectional view of two unit cell assembly units connected in series according to an embodiment of the present invention.
In the figure, 1, a tube spring; 1-1, tube spring side wall; 1-2, a tube spring bottom plane; 1-3. Spring plate; 1-4, a through groove; 2. an electrode sheath; 2-1, electrode sleeve side wall; 2-2, electrode sleeve bottom plane; 3. a combined frame; 3-1, a first card slot; 3-2, a separator; 3-3, through holes; 3-4. Second card slot 4. Cylindrical battery; 4-1, a positive electrode; 4-2, a negative electrode; a second cylindrical battery; 4 '-1, 4' -2, and the negative pole.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Some exemplary embodiments of the invention have been described for illustrative purposes, and it is to be understood that the invention may be practiced otherwise than as specifically described.
In a specific embodiment, the double-salient-pole battery connection structure is used for realizing connection of a double-salient-pole battery, and comprises a tube spring 1, an electrode sleeve 2 and a combined frame 3, wherein the tube spring 1, the electrode sleeve 2 and the combined frame 3 are assembled to realize connection of a plurality of battery cells.
As shown in fig. 1, the tube spring 1 is a metal hollow cylinder structure with an open end and a closed end, and can be formed by integrally punching and molding metal plates and assembling and manufacturing metal plates, the tube spring 1 includes a circumferential tube spring side wall 1-1 and a circumferential tube spring side wall 1-2, the shape and size of the open end of the circumferential tube spring 1 are matched and corresponding to the shape and size of the outside of the battery, and in the using process, the battery is inserted into the tube spring 1, so that the stable connection between the battery and the snap spring can be realized, in the embodiment, the battery is a cylindrical battery 4, and therefore, the end of the open side of the tube spring 1 is circular.
The middle part of the side wall of the tube spring 1 protrudes outwards to form an annular protrusion, the shape of the annular protrusion can be set according to requirements, when the electrode sleeve 2 is a cylinder, the annular protrusion is an annular protrusion, and if the electrode sleeve 2 is a prism, the annular protrusion can be in an annular protrusion structure matched and corresponding to the prism; the longitudinal section of the annular bulge is arc-shaped, the tube spring 1 is embedded in the electrode sleeve 2 in the use process, and the outer side of the side wall protruding outwards is connected with the inner side of the side wall 2-1 of the electrode sleeve in an abutting mode. Through grooves 1-4 which are uniformly arranged in an array are formed in the side wall of the tube spring 1, so that the tube spring 1 and the electrode sleeve 2 can be conveniently assembled and disassembled, as shown in the figure, the annular protrusion in the embodiment is a circular protrusion, the through grooves 1-4 formed in the circular protrusion are strip-shaped through grooves 1-4, the number of the through grooves is 36, and arc-shaped elastic pieces 1-3 protruding outwards are formed between the adjacent strip-shaped through grooves 1-4.
As shown in fig. 2, the electrode sleeve 2 is a metal hollow cylinder structure with an open end and a closed end, and includes a circumferential electrode sleeve side wall 2-1 and an electrode sleeve bottom plane 2-2, which can be formed by punching a metal plate integrally or can be prepared by using the existing metal plate assembly method. The tube spring 1 is arranged in a cavity of the electrode sleeve 2, the opening direction of the tube spring 1 is the same as that of the electrode sleeve 2, when the tube spring 1 is inserted into the electrode sleeve 2, in order to realize that the annular bulge of the tube spring side wall 1-1 is tightly abutted and connected with the inner wall of the electrode sleeve side wall 2-1, in the embodiment, the inner diameter of the electrode sleeve 2 is larger than or equal to the outer diameter of a circular opening of the tube spring 1, but smaller than the outer diameter of the annular bulge.
The combined frame 3 comprises a first side surface and a second side surface which are oppositely arranged, the first side surface and the second side surface can be planes or curved surfaces, a first clamping groove 3-1 is formed in the first side surface, a second clamping groove 3-4 is formed in the position, opposite to the first clamping groove 3-1, of the second side surface, as shown in fig. 3, the combined frame 3 is of a cubic structure, for convenience of description, by taking the vertical direction in fig. 3 as reference, the plane at the upper end is the first side surface, the plane at the lower end is the second side surface, the upper side is the first clamping groove 3-1, the lower side is the second clamping groove 3-4, the opening direction of the first clamping groove 3-1 is upward, the opening direction of the second clamping groove 3-4 is downward, a partition plate 3-2 is arranged at the joint of the first clamping groove 3-1 and the second clamping groove 3-4, and a through hole 3-3 is formed in the partition plate 3-2; in the assembling process, as shown in fig. 4, the combination of the electrode sleeve 2 and the tube spring 1 is inserted into the first clamping groove 3-1, the opening direction of the electrode sleeve 2 is the same as that of the first clamping groove 3-1, one end of one battery is inserted into the tube spring 1, the other battery is inserted into the second clamping groove 3-4 from bottom to top, the electrode of the battery passes through the through hole 3-3 and is fixedly connected with the outer side of the bottom plane 2-2 of the electrode sleeve, so that the two batteries are connected, based on the size and shape of the inside of the first clamping groove 3-1 is matched and corresponding to the size and shape of the outside of the electrode sleeve 2, the thickness of the partition plate 3-2 is smaller than the height of the electrode of the battery, the inner diameter of the second clamping groove 3-4 is in clearance fit with the diameter of the cylindrical battery 4, and the inner diameter of the first clamping groove 3-1 is in clearance fit with the outer diameter of the electrode sleeve 2.
In a specific embodiment, a first side surface of the combined frame 3 is provided with a plurality of first clamping grooves 3-1, a second side surface of the combined frame 3 is provided with second clamping grooves 3-4 corresponding to the first clamping grooves 3-1, the combined frame 3 is made of ABS plastic, the first clamping grooves 3-1 and the second clamping grooves 3-4 can be integrally formed, the combined frame 3 in fig. 3 can be used as a frame unit, a plurality of frame units can be combined and applied, and adjacent frame units can be combined and connected by using existing methods such as adhesion and buckling. In a specific embodiment, the frame unit may be provided with a first card slot 3-1 and a second card slot 3-4 larger than 1 as required. The required combined frame 3 is achieved through flexible combination, and combined connection of the required number of batteries is achieved.
In a specific embodiment, a battery module is provided, which includes a plurality of batteries and a plurality of the above-mentioned embodiments of the doubly salient battery connection structure, electrodes of the batteries extend into and are fixedly connected with bottom surfaces of the tube springs through open ends of the tube springs, the tube springs are embedded in electrode sleeves, the electrode sleeves are embedded in first clamping grooves of the combined frame, and the open ends of the other batteries inserted into the second clamping grooves are fixedly connected with outer sides of the bottom surfaces of the electrode sleeves in the first clamping grooves.
Taking the series connection structure of two batteries as an example, as shown in fig. 5, for the purpose of description, the upper end electrode of the cylindrical battery 4 is set as the battery positive electrode 4-1, the lower end electrode of the battery is set as the battery negative electrode 4-2, the negative electrode 4-2 of the cylindrical battery 4 is inserted into the tube spring 1 from top to bottom, the negative electrode 4-2 of the battery is welded on the inner side of the bottom plane 1-2 of the tube spring, the electrode sleeve 2 is inserted into the first clamping groove 3-1 of the combined frame after being arranged outside the tube spring 1, and the elastic sheet 1-3 of the annular protrusion of the tube spring 1 can be welded on the inner wall of the side wall 2-1 of the electrode sleeve in order to further stably connect the annular protrusion of the tube spring with the inner wall of the electrode sleeve; the anode electrode 4 ' -1 of the second cylindrical battery 4 ' extends into the second clamping groove from bottom to top, the anode electrode 4 ' -1 of the second cylindrical battery is welded on the outer side of the bottom plane of the electrode sleeve 2, and the cathode electrode 4-2 of the cylindrical battery 4 at the upper end is connected with the anode electrode 4 ' -1 of the cylindrical battery 4 ' at the lower end through the tube spring 1 and the electrode sleeve 2, so that the series connection of the two single batteries is realized.
The number of the single batteries in the battery module and the adopted double-salient-pole battery connection structure can be flexibly set according to needs, and the quick connection and disassembly of the batteries are realized.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Those skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A doubly salient battery connection structure is characterized by comprising a combined frame, an electrode sleeve and a tube spring, wherein the combined frame comprises a first clamping groove and a second clamping groove which are communicated, and the opening directions of the first clamping groove and the second clamping groove are opposite; the electrode sleeve is a metal hollow cylinder with an open end and a closed end; the tube spring is a metal hollow cylinder with an open end and a closed end, and the side wall of the tube spring protrudes outwards; the electrode sleeve is embedded in the first clamping groove, the tube spring is embedded in the electrode sleeve, and the outer side of the circumferential side wall of the tube spring is connected with the inner side of the circumferential side wall of the electrode sleeve in an abutting mode.
2. The doubly-salient battery connecting structure of claim 1, wherein the combined frame comprises a first side surface and a second side surface which are oppositely arranged, the first side surface is provided with a plurality of first clamping grooves, and the second side surface is provided with second clamping grooves which respectively correspond to the first clamping grooves.
3. The double salient pole battery connecting structure of claim 1, wherein a partition is disposed between the first clamping groove and the second clamping groove, and a through hole is formed in the partition, and the diameter of the through hole is larger than the outer diameter of the battery electrode.
4. The double-salient-pole battery connection structure according to claim 3, wherein the thickness of the separator is smaller than the height of the battery electrode.
5. The double salient pole battery connection structure of claim 1, wherein the longitudinal section of the side wall of the tube spring is an outward convex arc, and the side wall of the tube spring is provided with through grooves uniformly arranged in an array.
6. The double-salient-pole battery connecting structure according to claim 1, wherein the size and shape in the first clamping groove are matched with and correspond to the size and shape of the outer part of the electrode sleeve.
7. The double salient battery connection structure of claim 1, wherein the shape and size of the open end of the tube spring match and correspond to the shape and size of the battery.
8. A battery module comprising a plurality of batteries and a plurality of the double-salient battery connecting structures of any one of claims 1 to 7, wherein the electrodes of the batteries extend into the open ends of the tube springs and are fixedly connected with the bottom surfaces of the tube springs, the tube springs are embedded in the electrode sleeves, the electrode sleeves are embedded in the first slots of the combined frame, and the other battery is fixedly connected with the outer sides of the bottom surfaces of the electrode sleeves in the first slots after being inserted from the open ends of the second slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390926.7A CN115621648A (en) | 2022-11-07 | 2022-11-07 | Doubly salient battery connecting structure and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390926.7A CN115621648A (en) | 2022-11-07 | 2022-11-07 | Doubly salient battery connecting structure and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115621648A true CN115621648A (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211390926.7A Pending CN115621648A (en) | 2022-11-07 | 2022-11-07 | Doubly salient battery connecting structure and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115621648A (en) |
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|---|---|---|---|---|
| US6632562B1 (en) * | 1998-09-01 | 2003-10-14 | Matsushita Electric Industrial Co., Ltd. | Battery module composed of a plurality of serially connected cells, and method and structure for connecting cells |
| US20050070164A1 (en) * | 2003-09-16 | 2005-03-31 | Honda Motor Co., Ltd. | Connecting structure for electric cells |
| US20050079408A1 (en) * | 2001-11-27 | 2005-04-14 | Fujio Hirano | Battery connection structure, battery module, and battery pack |
| CN101369649A (en) * | 2008-09-30 | 2009-02-18 | 赛恩斯能源科技有限公司 | Battery connecting apparatus |
| CN206961884U (en) * | 2017-06-16 | 2018-02-02 | 浙江中泽精密科技有限公司 | A kind of cylindrical battery |
| WO2018034471A1 (en) * | 2016-08-18 | 2018-02-22 | (주)엠피에스코리아 | Structure of battery pack for cylindrical battery |
| CN208970618U (en) * | 2018-11-30 | 2019-06-11 | 北京好风光储能技术有限公司 | A kind of pole, battery case and cylinder type lithium battery |
| CN212485490U (en) * | 2020-07-30 | 2021-02-05 | 上海比耐信息科技有限公司 | Anti-reverse battery structure |
| CN214254550U (en) * | 2021-02-05 | 2021-09-21 | 远景动力技术(江苏)有限公司 | Battery and battery module |
| US20220216544A1 (en) * | 2019-08-19 | 2022-07-07 | Samsung Sdi Co., Ltd. | Rechargeable battery |
-
2022
- 2022-11-07 CN CN202211390926.7A patent/CN115621648A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6632562B1 (en) * | 1998-09-01 | 2003-10-14 | Matsushita Electric Industrial Co., Ltd. | Battery module composed of a plurality of serially connected cells, and method and structure for connecting cells |
| US20050079408A1 (en) * | 2001-11-27 | 2005-04-14 | Fujio Hirano | Battery connection structure, battery module, and battery pack |
| US20050070164A1 (en) * | 2003-09-16 | 2005-03-31 | Honda Motor Co., Ltd. | Connecting structure for electric cells |
| CN101369649A (en) * | 2008-09-30 | 2009-02-18 | 赛恩斯能源科技有限公司 | Battery connecting apparatus |
| WO2018034471A1 (en) * | 2016-08-18 | 2018-02-22 | (주)엠피에스코리아 | Structure of battery pack for cylindrical battery |
| CN206961884U (en) * | 2017-06-16 | 2018-02-02 | 浙江中泽精密科技有限公司 | A kind of cylindrical battery |
| CN208970618U (en) * | 2018-11-30 | 2019-06-11 | 北京好风光储能技术有限公司 | A kind of pole, battery case and cylinder type lithium battery |
| US20220216544A1 (en) * | 2019-08-19 | 2022-07-07 | Samsung Sdi Co., Ltd. | Rechargeable battery |
| CN212485490U (en) * | 2020-07-30 | 2021-02-05 | 上海比耐信息科技有限公司 | Anti-reverse battery structure |
| CN214254550U (en) * | 2021-02-05 | 2021-09-21 | 远景动力技术(江苏)有限公司 | Battery and battery module |
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