CN115051123B - Full utmost point ear electricity core structure - Google Patents
Full utmost point ear electricity core structure Download PDFInfo
- Publication number
- CN115051123B CN115051123B CN202210960872.7A CN202210960872A CN115051123B CN 115051123 B CN115051123 B CN 115051123B CN 202210960872 A CN202210960872 A CN 202210960872A CN 115051123 B CN115051123 B CN 115051123B
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- Prior art keywords
- full
- electrode
- current collecting
- cover plate
- collecting disc
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
-
- 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
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
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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
-
- 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
Abstract
The invention provides a full-lug battery cell structure which comprises an overcurrent device and a battery cell, wherein both ends of the battery cell are full lugs; the two overcurrent devices are respectively connected with the two full lugs of the battery cell; the overcurrent device comprises a cover plate and a current collecting plate, an electrode is arranged on the cover plate, one side face of the current collecting plate is connected with the cover plate through an elastic piece, and the other side face of the current collecting plate is connected with the full lug. The structure realizes the effective connection between the battery cell and the electrode and the convenient overcurrent purpose, the welding is not needed between the full lug and the electrode, the cost is greatly saved, the efficiency is improved, the electrical property of the battery cell is improved, and the safety of the battery cell is ensured.
Description
Technical Field
The invention relates to the technical field of new energy of lithium batteries, in particular to a full-lug battery cell structure.
Background
In the prior art, the full tab is formed by winding the positive and negative electrode plates of the battery cell and the isolating film by a winding machine, and the welded tab is reserved on the positive and negative electrode plates in the winding process. The electrode lug of the battery core package is welded on the adapter plate through ultrasonic welding, and the adapter plate is welded on the electrode post through laser welding. The purpose of the adapter sheet is to ensure that the battery core is overcurrent, and the battery core is assembled with the cover plate after core cladding welding, so that the problems that the assembly tolerance is too small, the assembly is difficult, and the internal material filling is affected due to too loose assembly exist in the assembly process of the adapter sheet and the cover plate, and the performance of the battery core is further affected.
The adapter plate needs to be welded twice, two welding devices are needed for welding twice, and the welding efficiency is low. The problems of insufficient solder joint, electrode lug breakage and the like can be easily caused in the welding process, the overcurrent capacity of the battery cell can be influenced, the fragments generated in the welding treatment process can also influence the safety performance of the battery cell, and the adapter plate is often heated due to the overlarge welding resistance.
Disclosure of Invention
The invention aims to provide a full-lug battery cell structure, which realizes the purposes of effective connection between a battery cell and an electrode and convenient overcurrent, does not need welding between the full lug and the electrode, greatly saves the cost, improves the efficiency, improves the electrical property of the battery cell and ensures the safety of the battery cell.
In order to achieve the above purpose, the invention provides the following technical scheme:
a full-lug battery cell structure comprises an overcurrent device and a battery cell, wherein both ends of the battery cell are full lugs; the two overcurrent devices are respectively connected with the two full lugs of the battery cell; the overcurrent device comprises a cover plate and a current collecting plate, an electrode is arranged on the cover plate, one side face of the current collecting plate is connected with the cover plate through an elastic piece, and the other side face of the current collecting plate is connected with the full lug.
Further, in foretell full utmost point ear electric core structure, the electric core overcoat is equipped with the box hat, the apron be located outside the box hat and with box hat fixed connection, the current collection dish can get into in the box hat, with one full utmost point ear is connected the electrode of overcurrent device is the positive pole, with another full utmost point ear is connected the electrode of overcurrent device is the negative pole.
Further, in the above-mentioned all-tab electric core structure, a flow guide member is disposed on one side surface of the flow collecting disc.
Further, in the above-mentioned all-tab electric core structure, both ends of the electrode protrude out of both side surfaces of the cover plate.
Further, in the above full-tab electric core structure, the flow guide piece is disposed at the center of the current collecting plate, the flow guide piece is in the shape of a cylinder, the position of the flow guide piece corresponds to that of the electrode, and the radius of the flow guide piece is consistent with that of the electrode.
Further, in the above full-tab cell structure, a plurality of elastic members are provided, and the plurality of elastic members are connected between the current collecting disc and the cover plate; preferably, the elastic member is a tendon spring rod.
Further, in the above-mentioned all-tab electric core structure, the elastic member is disposed at the periphery of the flow guide member, and the plurality of elastic members are uniformly distributed along the circumferential direction of the current collecting plate.
Furthermore, in foretell full utmost point ear electricity core structure, all be provided with a plurality of convex closure on the both sides face of current collection dish, it is a plurality of the convex closure all sets up the edge of current collection dish, it is a plurality of the convex closure is followed current collection dish circumference evenly distributed.
Further, in the above full-tab electric core structure, the cover plate is made of metal, and an insulating material is disposed between the cover plate and the electrode.
Further, in the above-mentioned all-tab cell structure, the current collecting plate is made of copper plated with nickel.
The invention discloses a full-lug battery cell structure, which is characterized in that a battery cell core package is made into a full lug, the full lug is tightly pressed on the full lug through a cover plate, an elastic piece and a current collecting disc, so that the aims of effective connection and convenient overcurrent are fulfilled, welding is not needed between the full lug and an electrode, links of ultrasonic welding and laser welding are reduced, the cost is greatly saved, the efficiency is improved, the electrical property of the battery cell is improved, and the safety of the battery cell is ensured. The convex hulls are designed on the current collecting disc, so that the friction force between the current collecting disc and the battery cell is increased, the rotation of the current collecting disc is effectively prevented, meanwhile, the contact area between the current collecting disc and the battery cell can be increased, and the effective contact between the current collecting disc and the battery cell is ensured while the effective overcurrent is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an overcurrent device according to an embodiment of the present invention.
Description of reference numerals: 1 an over-current device; 2, a battery cell; 3, a full tab; 4, covering a plate; 5, an electrode; 6, a flow collecting disc; 7, a flow guide part; 8, an elastic piece; 9, convex hull; 10, a positive electrode; 11 a negative electrode; 12 steel shell.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," and "third," etc. may be used interchangeably to distinguish one component from another, and are not intended to denote position or importance of the individual components.
As shown in fig. 1 to 2, according to an embodiment of the present invention, a full tab cell structure is provided. As shown in fig. 1, the overcurrent device includes an overcurrent device 1 and a battery cell 2, where both ends of the battery cell 2 are full tabs 3; the overcurrent devices 1 are provided with two overcurrent devices 1, and the two overcurrent devices 1 are respectively connected with two full tabs 3 of the battery cell 2. As shown in fig. 2, the overcurrent device 1 includes a cover plate 4 and a current collecting disk 6, wherein an electrode 5 is disposed on the cover plate 4, one side surface of the current collecting disk 6 is connected to the cover plate 4 through an elastic member 8, and the other side surface of the current collecting disk 6 is connected to a full tab 3 of the electric core 2. After the core cladding of the battery cell 2 is coiled, the full lug 3 is kneaded to be flat, and then the cover plate 4 and the current collecting disc 6 are tightly pressed on the full lug 3, so that the aims of effective connection and convenient overcurrent are fulfilled. The electrode lug and the electrode 5 do not need to be welded, links of ultrasonic welding and laser welding are reduced, cost is greatly saved, efficiency is improved, electrical property of the battery cell 2 is improved, and safety of the battery cell 2 is guaranteed.
As shown in fig. 2, both ends of the electric core 2 are all the full tab 3, that is, the uncoated portions of the positive and negative electrodes 11 of the electric core 2 are left as the tab of the electric core 2, the conduction current capability of the full tab 3 is higher than that of the traditional tab by more than 3 times, which facilitates the exertion of the multiplying power charge-discharge performance of the electric core 2, the resistance of the full tab 3 is small, the heat of the charge-discharge aggregation of the electric core 2 is small, and the safety of the electric core 2 is ensured.
Further, as shown in fig. 1, a steel shell 12 is sleeved outside the battery cell 2, the cover plate 4 is located outside the steel shell 12 and is fixedly connected with the steel shell 12, the current collecting disc 6 can enter the steel shell 12, the current collecting disc 6 and the inner wall of the steel shell 12 are in a transition fit relationship, the electrode 5 of the overcurrent device 1 connected with one full tab 3 is an anode 10, and the electrode 5 of the overcurrent device 1 connected with the other full tab 3 is a cathode 11. In the assembling process, the cover plate 4 is pressed on the steel shell 12, and the cover plate 4 presses the current collecting disc 6 on the full pole lug 3 through the elastic piece 8, so that the aims of effective connection and convenient overcurrent are fulfilled. The full lug 3 and the electrode 5 are not required to be welded, so that links of ultrasonic welding and laser welding are reduced, the cost is greatly saved, the efficiency is improved, the electrical property of the battery cell is improved, and the safety of the battery cell is guaranteed.
Further, the electrode 5 is fixedly connected with the cover plate 4, two ends of the electrode 5 protrude out of two side faces of the cover plate 4, the cover plate 4 is made of metal, and an insulating material is arranged between the cover plate 4 and the electrode 5.
Furthermore, a flow guide piece 7 is arranged on one side face of the current collecting disc 6, one end of the flow guide piece 7 is fixedly connected with the current collecting disc 6, and the other end of the flow guide piece 7 is in close contact with the electrode 5 after the assembly of the full-lug 3 is completed, so that the purpose of facilitating the overcurrent can be achieved, and preferably, the flow guide piece 7 is arranged at the center of the current collecting disc 6.
Further, the flow guide part 7 corresponds to the electrode 5, the flow guide part 7 is in the shape of a cylinder, the electrode 5 is also in the shape of a cylinder, and the flow guide part 7 and the electrode 5 are in the same shape and radius. The arrangement can ensure that the flow guide piece 7 is fully contacted with the electrode 5, and the flow guide effect is ensured.
Further, the elastic members 8 are provided in plural, and the plural elastic members 8 are connected between the current collecting plate 6 and the cover plate 4. Preferably, the elastic member 8 is a tendon spring rod. The elastic part 8 adopts a cowhells spring rod, and the insulating material between the cover plate 4 and the electrode 5 can prevent the overflow between the cover plate 4 and the current collecting plate 6.
Further, the elastic pieces 8 are arranged on the periphery of the flow guide piece 7, and the elastic pieces 8 are uniformly distributed along the circumferential direction of the collecting tray 6. The arrangement can ensure that the current collecting disc 6 is uniformly pressed on the full pole lug 3, and good overcurrent capacity is ensured.
Furthermore, a plurality of convex hulls 9 are arranged on two side surfaces of the current collecting disc 6, the convex hulls 9 are arranged at the edge of the current collecting disc 6, and the convex hulls 9 on the two side surfaces of the current collecting disc 6 are uniformly distributed along the circumferential direction of the current collecting disc 6. After the current collecting disc 6 and the full lug 3 are tightly pressed, the position of the full lug 3 corresponding to the convex hull 9 is pressed out of the concave pit, the convex hull 9 after the concave pit is pressed out can increase the friction force between the current collecting disc 6 and the full lug 3, play a role of assisting in pressing the current collecting disc 6, effectively prevent the current collecting disc 6 from rotating, and simultaneously can increase the contact area between the current collecting disc 6 and the battery cell 2, ensure the current collecting disc 6 to effectively flow over, and also improve the heat dissipation capacity of the current collecting disc 6. Furthermore, the collecting plate 6 is made of nickel-plated copper, and the nickel-plated copper is plated on a copper base material. The arrangement can ensure the flow capacity of the collecting tray 6.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the utility model provides a full utmost point ear electricity core structure, this structure makes full utmost point ear 3 with 2 core packages of electric core, compresses tightly through apron 4, elastic component 8 and current collection dish 6 and has reached the purpose of effectively connecting and conveniently overflowing on full utmost point ear 3, need not the welding between full utmost point ear 3 and the electrode 5, has reduced ultrasonic bonding and laser welding's link, great saving the cost and having improved efficiency, improved the electrical property of electric core 2 and ensured the safety of electric core 2. The convex hulls 9 are designed on the current collecting disc 6, so that the friction force between the current collecting disc 6 and the battery cell 2 is increased, the current collecting disc 6 is effectively prevented from rotating, meanwhile, the contact area between the current collecting disc 6 and the battery cell 2 can be increased, and the current collecting disc 6 and the battery cell 2 are ensured to be effectively contacted while effective overcurrent is ensured.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A full-tab battery cell structure is characterized by comprising an overcurrent device and a battery cell, wherein,
both ends of the battery cell are full lugs;
the two overcurrent devices are respectively connected with the two full lugs of the battery cell;
the overcurrent device comprises a cover plate and a current collecting plate, an electrode is arranged on the cover plate, one side surface of the current collecting plate is connected with the cover plate through an elastic piece, and the other side surface of the current collecting plate is connected with the full lug;
a flow guide piece is arranged on one side surface of the flow collecting disc,
the flow guide is arranged at the center of the collecting disc,
the flow guide part is in the shape of a cylinder, the electrode is in the shape of a cylinder,
the flow guide part corresponds to the position of the electrode,
the flow guide element is in line with the radius of the electrode,
both ends of the electrode protrude out of both side surfaces of the cover plate,
one end of the flow guide piece is fixedly connected with the current collecting disc, and the other end of the flow guide piece is tightly contacted with one end of the electrode;
the two side surfaces of the flow collecting disc are provided with a plurality of convex hulls which are arranged at the edge of the flow collecting disc, and the convex hulls are uniformly distributed along the circumferential direction of the flow collecting disc;
after the current collecting disc and the full lugs are tightly pressed, the positions of the full lugs corresponding to the convex hulls are pressed out of the concave pits, the convex hulls pressed out of the concave pits can increase the friction force between the current collecting disc and the full lugs, the concave pits assist in pressing the current collecting disc, the concave pits prevent the current collecting disc from rotating, and the concave pits can improve the heat dissipation capacity of the current collecting disc.
2. The full tab cell structure of claim 1,
the battery core is sleeved with a steel shell, the cover plate is positioned outside the steel shell and fixedly connected with the steel shell, the current collecting plate can enter the steel shell,
the electrode of the over-current device connected with one full lug is a positive electrode, and the electrode of the over-current device connected with the other full lug is a negative electrode.
3. The full tab cell structure of claim 2,
the elastic member is provided in a plurality of numbers,
the elastic pieces are connected between the current collecting disc and the cover plate;
the elastic piece is a cowhells spring rod.
4. The full tab cell structure of claim 1,
the elastic piece sets up the periphery of water conservancy diversion spare, it is a plurality of the elastic piece is along the collector disc circumference evenly distributed.
5. The full tab cell structure of claim 1,
the cover plate is made of metal, and an insulating material is arranged between the cover plate and the electrode.
6. The full tab cell structure of claim 1,
the collecting plate is made of copper nickel plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960872.7A CN115051123B (en) | 2022-08-11 | 2022-08-11 | Full utmost point ear electricity core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960872.7A CN115051123B (en) | 2022-08-11 | 2022-08-11 | Full utmost point ear electricity core structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115051123A CN115051123A (en) | 2022-09-13 |
| CN115051123B true CN115051123B (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210960872.7A Active CN115051123B (en) | 2022-08-11 | 2022-08-11 | Full utmost point ear electricity core structure |
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Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834694Y2 (en) * | 1979-04-16 | 1983-08-04 | 三洋電機株式会社 | battery |
| JP4375690B2 (en) * | 1999-09-22 | 2009-12-02 | 本田技研工業株式会社 | Electrode bonding method for storage element |
| JP2002042771A (en) * | 2000-07-25 | 2002-02-08 | Sanyo Electric Co Ltd | Secondary battery |
| JP2002352790A (en) * | 2001-05-25 | 2002-12-06 | Hitachi Maxell Ltd | Sealing battery |
| DE10159231A1 (en) * | 2001-12-03 | 2003-06-18 | Nbt Gmbh | Galvanic element with winding electrode set |
| JP4251829B2 (en) * | 2002-07-29 | 2009-04-08 | 三洋電機株式会社 | Battery and manufacturing method thereof |
| JP4641731B2 (en) * | 2004-03-11 | 2011-03-02 | 三洋電機株式会社 | battery |
| JP2006107808A (en) * | 2004-10-01 | 2006-04-20 | Matsushita Electric Ind Co Ltd | Connecting member for battery |
| KR101057954B1 (en) * | 2006-09-20 | 2011-08-18 | 파나소닉 주식회사 | Secondary Battery and Manufacturing Method of Secondary Battery |
| JP2008293681A (en) * | 2007-05-22 | 2008-12-04 | Hitachi Vehicle Energy Ltd | Lithium-ion secondary battery |
| JP2010165689A (en) * | 2010-03-19 | 2010-07-29 | Panasonic Corp | Cylindrical battery and method for manufacturing the same |
| JP5314650B2 (en) * | 2010-09-16 | 2013-10-16 | 三菱重工業株式会社 | Battery device |
| CN202549984U (en) * | 2012-03-23 | 2012-11-21 | 长宜电通科技股份有限公司 | Cylindrical lithium battery |
| JP2014026892A (en) * | 2012-07-30 | 2014-02-06 | Sanyo Electric Co Ltd | Cylindrical secondary battery |
| CN103178231B (en) * | 2013-03-28 | 2017-04-12 | 凯迈嘉华（洛阳）新能源有限公司 | Assembly process for electrode lead-out structure |
| CN204029916U (en) * | 2014-07-02 | 2014-12-17 | 新野神力聚能科技有限公司 | A kind of high strength lithium battery |
| JP6749125B2 (en) * | 2016-03-31 | 2020-09-02 | 大阪瓦斯株式会社 | Cell unit, electrochemical module, electrochemical device and energy system |
| CN206313020U (en) * | 2016-12-31 | 2017-07-07 | 深圳市沃特玛电池有限公司 | A kind of lithium battery structure |
| CN108428824B (en) * | 2017-08-30 | 2024-04-16 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN207558990U (en) * | 2017-12-21 | 2018-06-29 | 江西佰特励电子科技有限公司 | A kind of cylindrical nickel-hydrogen power battery |
| CN207800665U (en) * | 2018-02-01 | 2018-08-31 | 宁德时代新能源科技股份有限公司 | The cap assembly and secondary cell of secondary cell |
| CN112510326A (en) * | 2020-12-18 | 2021-03-16 | 湖北亿纬动力有限公司 | Single battery |
| CN214848702U (en) * | 2021-02-04 | 2021-11-23 | 东莞市沃泰通新能源有限公司 | Positive electrode current collector structure and lithium battery |
| CN214505580U (en) * | 2021-02-26 | 2021-10-26 | 湖北亿纬动力有限公司 | Cylindrical lithium ion battery |
| CN216288660U (en) * | 2021-09-29 | 2022-04-12 | 比亚迪股份有限公司 | Battery with a battery cell |
| CN216980650U (en) * | 2021-10-25 | 2022-07-15 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and power consumption device |
| CN114221073A (en) * | 2021-12-13 | 2022-03-22 | 上海比耐信息科技有限公司 | Cylindrical lithium battery and manufacturing method thereof |
| CN114361466A (en) * | 2022-01-12 | 2022-04-15 | 江苏正力新能电池技术有限公司 | Cylindrical battery and energy storage device |
| CN216958261U (en) * | 2022-02-25 | 2022-07-12 | 阳光储能技术有限公司 | Battery and cap thereof |
| CN217134447U (en) * | 2022-04-07 | 2022-08-05 | 大连中比动力电池有限公司 | Lithium battery |
| CN114678663A (en) * | 2022-04-14 | 2022-06-28 | 广州小鹏汽车科技有限公司 | Pole lug connecting structure of cylindrical battery and cylindrical battery |
-
2022
- 2022-08-11 CN CN202210960872.7A patent/CN115051123B/en active Active
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