CN114709570A - Battery cell connection method, battery production device and battery - Google Patents
Battery cell connection method, battery production device and battery Download PDFInfo
- Publication number
- CN114709570A CN114709570A CN202210361005.1A CN202210361005A CN114709570A CN 114709570 A CN114709570 A CN 114709570A CN 202210361005 A CN202210361005 A CN 202210361005A CN 114709570 A CN114709570 A CN 114709570A
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- Prior art keywords
- tabs
- battery
- cell
- connection method
- battery cell
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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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
Abstract
The invention discloses a battery cell connection method, a battery production device and a battery, and relates to the technical field of battery production. The battery cell connection method comprises the following steps: pressing a plurality of tabs of the battery cell so as to enable the tabs to be close to form a connecting part; connecting portions of the plurality of tabs in the connection portion; and connecting the adapter sheet to the respective connecting parts of the two battery cores. The battery core connection method has the characteristic of improving the safety performance of the battery. The battery production device adopts a battery core connection method to connect the lugs, and has the characteristic of improving the safety performance of the battery. The electrode lugs of the battery cell are connected by a battery cell connection method, and the battery has the characteristic of higher safety performance.
Description
Technical Field
The invention relates to the technical field of battery production, in particular to a battery cell connecting method, a battery production device and a battery.
Background
In the production process of the battery, a tab of the battery core needs to be processed and welded with the adapter plate, the welded battery core is combined, and the adapter plate is welded with a pole on the top cover of the battery. However, when the battery core is assembled, the tab is prone to bending or deviating, and even the displaced tab contacts with the pole piece, which results in the risk of short circuit of the battery.
In view of the above, it is important to develop a cell connecting method, a battery production apparatus and a battery that can solve the above technical problems.
Disclosure of Invention
The invention aims to provide a battery cell connection method which has the characteristic of improving the safety performance of a battery.
Another object of the present invention is to provide a battery production apparatus which also has a feature capable of improving the safety performance of a battery.
Another object of the present invention is to provide a battery having a high safety performance.
The invention provides a technical scheme that:
in a first aspect, an embodiment of the present invention provides a battery cell connection method, which includes:
pressing a plurality of tabs of the battery cell so as to enable the tabs to be close together to form a connecting part;
connecting portions of the plurality of tabs in the connection portion;
and connecting the adapter sheet to the respective connecting parts of the two battery cores.
With reference to the first aspect, in another implementation manner of the first aspect, the step of pressing and holding the multiple tabs of the battery cell so as to draw the multiple tabs together includes:
the connecting part comprises a plurality of lugs, wherein the lugs are pressed and held along a first direction and a second direction opposite to the first direction, so that part of the lugs are drawn together towards the lugs positioned in the middle, and the connecting part is formed, wherein the first direction is the direction perpendicular to the lugs before being pressed and held.
With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the connection portion corresponds to a middle position of the battery cell in the first direction.
With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, a distance between the connection portion and a pole piece in a battery cell is greater than half of a thickness of the battery cell.
With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, after the step of pressing and holding the plurality of tabs of the battery cell so as to draw the plurality of tabs together, the battery cell connection method further includes:
and pressing and holding the connecting parts along shaping lines respectively by two sides of the connecting parts, wherein the shaping lines are edges of the battery core pole pieces close to the connecting parts.
With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the step of connecting portions of the plurality of tabs located in the connection portion includes:
welding or riveting the parts of the lugs in the connecting part, or penetrating the two ends of the U-shaped connecting piece through the connecting part and pressing the U-shaped connecting piece on the other side of the connecting part.
With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, in the step of connecting portions of the tabs located in the connection portion, the connection positions extend along the connection portion and near the edge of the cell pole piece.
With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, in the step of connecting the two battery cells by connecting the interposer to the connecting portion, an edge of the interposer is aligned with an edge of the connecting portion, which is close to the battery cell pole piece.
In a second aspect, an embodiment of the present invention further provides a battery production apparatus, which connects the tabs by using the cell connection method.
In a third aspect, an embodiment of the present invention further provides a battery, which includes a battery cell, and the tabs of the battery cell are connected by using the battery cell connection method.
Compared with the prior art, the battery cell connection method provided by the embodiment of the invention has the beneficial effects that:
firstly pressing a plurality of tabs of the battery cell so as to draw the tabs together to form a connecting part; connecting the parts of the plurality of tabs in the connecting part; and further connecting the adapter sheet to the respective connecting parts of the two battery cores. So, before the utmost point ear of connecting switching piece and electric core, press earlier and hold a plurality of utmost point ears of electric core, with the plastic of antipodal ear, make it draw close and form connecting portion, this makes and presses and forms a plurality of firm triangle-shaped structures between a plurality of utmost point ears after holding, make the difficult condition that the skew appears in utmost point ear, a plurality of utmost point ears that will draw close again link together, further reduce the degree and the probability that the skew appears in utmost point ear, connect the switching piece at last again, this makes and closes the core in-process with two electric cores, the difficult condition that the skew appears in utmost point ear, improve the security performance of battery.
The beneficial effects of the battery production device and the battery provided by the embodiment of the invention relative to the prior art are the same as the beneficial effects of the battery core connection method relative to the prior art, and are not described again.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a schematic flow chart of a cell connection method according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when a plurality of tabs are pressed.
Fig. 3 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when a shaping line is pressed.
Fig. 4 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when a plurality of tabs in a connection portion are welded.
Fig. 5 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when an interposer is connected to respective connection portions of two cells.
Icon: 21-flat pressing block; 22-shaping strips; 11-electric core; 111-a tab; 112-a connecting portion; 113-a shaping line; 114-a connection location; 12-an adaptor sheet; a-a first direction; b-a second direction; c-a third direction; d-the fourth direction.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like, refer to an orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the inventive product, or as would be conventionally understood by one skilled in the art, and are used merely to facilitate the description and simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and the connection may be internal to the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic flow chart of a battery cell connection method according to an embodiment of the present invention.
The embodiment of the invention provides a battery cell connection method, which is used for connecting tabs 111 of a battery cell 11 and has the characteristic of improving the safety performance of a battery. The cell connection method can be applied to a battery production device so as to connect the tabs 111 of the cells 11 by using the cell connection method, and the connected cells 11 can also be used in a battery. Because the battery production device and the battery adopt the battery core connection method provided by the embodiment of the invention, the battery production device also has the characteristic of improving the safety performance of the battery, and the corresponding battery has the characteristic of higher safety performance.
With reference to fig. 1 and fig. 2 to fig. 5, fig. 2 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when a plurality of tabs 111 are pressed. Fig. 3 is a schematic structural diagram of the cell connection method according to the embodiment of the present invention when the shaping wire 113 is pressed. Fig. 4 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when a plurality of tabs 111 are welded in a connection portion 112. Fig. 5 is a schematic structural diagram of a cell connection method according to an embodiment of the present invention when connecting the interposer 12 to the respective connection portions 112 of two cells 11. In the figure, the direction indicated by the arrow a is the first direction a, the direction indicated by the arrow B is the second direction B, the direction indicated by the arrow C is the third direction C, and the direction indicated by the arrow D is the fourth direction D.
The battery cell connection method comprises the following steps:
step S100: pressing a plurality of tabs 111 of the battery cell 11 to draw the tabs 111 together to form a connection portion 112;
step S200: a portion where a plurality of tabs 111 are located in the connection portion 112;
step S300: the interposer 12 is connected to the respective connecting portions 112 of the two electric cores 11.
Therefore, before the tab 111 of the adaptor sheet 12 and the cell 11 is connected, the tabs 111 of the cell 11 are pressed and held firstly, so as to shape the tabs 111, so that the tabs are closed and form the connecting portion 112, and thus a plurality of stable triangular structures are formed between the tabs 111 after being pressed and held, so that the tabs 111 are not prone to offset, the tabs 111 are connected together, the degree and probability of offset of the tabs 111 are further reduced, and finally the adaptor sheet 12 is connected, so that in the process of combining the two cells 11, the tabs 111 are not prone to offset, and the safety performance of the battery is improved.
Further, the step S100 may further include the following step, that is, the step of pressing the multiple tabs 111 of the battery cell 11 so as to close the multiple tabs 111 may include:
the plurality of tabs 111 are pressed in a first direction a perpendicular to the tab 111 before being pressed and in a second direction B opposite to the first direction a, so that a portion of the tabs 111 is drawn toward the tab 111 located in the middle, thereby forming a connection portion 112. In other words, the pressing is performed through both sides of the battery cell 11 in the thickness direction, as shown in fig. 2, so that the side length of the triangular structure formed between the plurality of tabs 111 is short by the connection portion 112 arranged in the middle, thereby further reducing the probability of the tabs 111 being deviated, and improving the position stability of the tabs 111.
The connection portion 112 corresponds to an intermediate position of the battery cell 11 in the first direction a. So that the triangle-shaped structure that forms between a plurality of utmost point ears 111 is roughly symmetrical, further improves the stability of utmost point ear 111 position, and makes the clearance of connecting portion 112 apart from the both ends on the electric core 11 thickness direction great, reduces utmost point ear 111 and is collided with the extruded probability. In this embodiment, the intermediate position refers to: the middle position, which is the position at the same distance from both ends in the upper direction, is 1/2 of the thickness of the battery cell 11.
Further, the distance between the connection portion 112 and the pole piece in the battery cell 11 is greater than one half of the thickness of the battery cell 11, so that the bent portion of the tab 111 near one end in the thickness direction of the battery cell 11 and the tab 111 at the middle position approximately form an isosceles right triangle structure, and the position stability of the tab 111 is further improved.
It should be noted that the battery production apparatus may include two flat pressing blocks 21, and in the process of pressing and holding the plurality of tabs 111 to close the plurality of tabs 111, the two flat pressing blocks 21 may be closed to each other to press and hold the whole connecting portion 112, as shown in fig. 2, so that the plurality of tabs 111 in the connecting portion 112 are partially flat, which is convenient for improving the stability of the subsequent connection.
Further, after the step S100, the following step may be included, that is, after the step of pressing the multiple tabs 111 of the battery cell 11 to make the multiple tabs 111 close, the battery cell connection method may further include:
the connecting portions 112 are respectively pressed and held along shaping lines 113 from two sides of the connecting portions 112, wherein the shaping lines 113 are edges of pole pieces of the battery cell 11, which are close to the connecting portions 112. After the connection portion 112 is formed by pressing, the connection portion 112 is pressed against the edge of the pole piece, thereby further improving the flatness of the tab 111 portions of the connection portion 112.
It should be noted that, the battery production apparatus may further include two shaping strips 22, and after the step of pressing and holding the plurality of tabs 111 to close the plurality of tabs 111, the shaping lines 113 may be pressed and held by the two shaping strips 22 closing each other, so that the shaping lines 113 are further closed, and the plurality of tabs 111 in the connection portion 112 are partially flat, as shown in fig. 3. The end face of one end of the shaping strip 22 pressing the shaping line 113 can be obliquely arranged, so that the edge of one side of the end face close to the pole piece protrudes out of one side of the end face far away from the pole piece, when the shaping line 113 is pressed, the pressing force of the position on the shaping line 113 close to the pole piece is large, the shaping line 113 is pressed and held with a tendency of shape recovery, the pressing effect is improved, and the parts of the plurality of tabs 111 in the connecting part 112 are further flat.
Moreover, when the shaping strips 22 are close to each other to press and hold the shaping line 113, the shaping strips 22 may first move laterally along the third direction C when closing the shaping line 113 to slightly abut against the shaping line 113, and then move continuously towards the shaping line 113 to reduce the influence of the action of pressing and holding the shaping line 113 on the alignment degree of the pole pieces in the battery cell 11.
Further, the step S200 may further include the following step of connecting portions of the plurality of tabs 111 in the connection part 112:
a portion of the plurality of tabs 111 in the connection portion 112 is welded. Or the connecting part 112 is riveted to connect the parts of the plurality of tabs 111, or the two ends of the U-shaped connecting piece are inserted through the connecting part 112 and pressed against the other side of the connecting part 112, the connecting piece is similar to a staple, the two ends of the connecting piece are bent to one side of the connecting part 112 after being inserted through the connecting part 112 and are pressed against the side, and the parts of the plurality of tabs 111 in the connecting part 112 are pressed to realize the connecting function.
It should be noted that, in other embodiments, a ring-shaped connecting member may be used to sleeve the connecting portion 112, so as to compress the portion of the plurality of tabs 111 located in the connecting portion 112.
Further, when the portions of the tabs 111 located in the connecting portion 112 are connected, the connecting positions 114 thereof extend along the edges of the connecting portion 112 close to the pole pieces of the battery cell 11. In other words, the extending direction of the connection position 114 is substantially perpendicular to the extending direction of the tab 111, and the extending direction is the fourth direction D, as shown in fig. 4, so that the probability that the tab 111 is shifted in the fourth direction D or in the direction opposite to the fourth direction D is further reduced, and the stability of the position of the tab 111 is further improved.
Further, the step S300 may further include connecting the interposer 12 to the connection portion 112 to connect the two battery cells 11, wherein an edge of the interposer 12 is aligned with an edge of the connection portion 112 close to the pole piece of the battery cell 11. In other words, the edge of the interposer 12 is disposed against the shaping wire 113, as shown in fig. 5, so as to increase the area of the connection piece to the connection portion 112 and increase the stability of the connection.
The working principle of the battery cell connection method provided by the embodiment of the invention is as follows:
firstly pressing a plurality of tabs 111 of the battery cell 11 to make the plurality of tabs 111 close together to form a connecting part 112; a portion where a plurality of tabs 111 are located in the connection portion 112 is reconnected; the interposer 12 is further connected to the respective connecting portions 112 of the two electrical cores 11. Therefore, before the tab 111 of the adaptor sheet 12 and the cell 11 is connected, the tabs 111 of the cell 11 are pressed and held firstly, so as to shape the tabs 111, so that the tabs are closed and form the connecting portion 112, and thus a plurality of stable triangular structures are formed between the tabs 111 after being pressed and held, so that the tabs 111 are not prone to offset, the tabs 111 are connected together, the degree and probability of offset of the tabs 111 are further reduced, and finally the adaptor sheet 12 is connected, so that in the process of combining the two cells 11, the tabs 111 are not prone to offset, and the safety performance of the battery is improved.
In summary, embodiments of the present invention provide a battery cell connection method, which has a characteristic of improving the safety performance of a battery.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that the features in the above embodiments may be combined with each other and the present invention may be variously modified and changed without conflict. 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. Also, the embodiments should be considered as exemplary and non-limiting.
Claims (10)
1. A cell connection method is characterized by comprising the following steps:
pressing a plurality of tabs (111) of the battery cell (11) so as to enable the tabs (111) to be close together to form a connecting part (112);
connecting portions of a plurality of the tabs (111) in the connection portion (112);
and connecting the adapter sheet (12) to the respective connecting part (112) of the two battery cells (11).
2. The cell connecting method according to claim 1, wherein the step of pressing and holding a plurality of tabs (111) of the cell (11) so as to draw the tabs (111) together comprises:
the connection structure comprises a plurality of tabs (111) pressed and held along a first direction (A) and a second direction (B) opposite to the first direction (A), so that part of the tabs (111) are close to the tabs (111) located in the middle, and the connection part (112) is formed, wherein the first direction (A) is a direction perpendicular to the tabs (111) before pressing and holding.
3. The cell connection method according to claim 2, characterized in that the connection portion (112) corresponds to an intermediate position of the cell (11) in the first direction (a).
4. The method of connecting the battery cells according to claim 1, wherein the distance between the connecting portion (112) and the pole piece in the battery cell (11) is greater than half of the thickness of the battery cell (11).
5. The cell connecting method according to claim 1, wherein after the step of pressing the plurality of tabs (111) of the cell (11) to draw the plurality of tabs (111) together, the cell connecting method further comprises:
and the connecting parts (112) are respectively pressed and held along shaping lines (113) from two sides of the connecting parts (112), wherein the shaping lines (113) are edges of the pole pieces of the battery cell (11) close to the connecting parts (112).
6. The cell connecting method according to claim 1, wherein the step of connecting portions of the plurality of tabs (111) in the connecting portion (112) comprises:
welding or riveting the parts of the lugs (111) in the connecting part (112), or penetrating the two ends of the U-shaped connecting piece through the connecting part (112) and pressing the U-shaped connecting piece on the other side of the connecting part (112).
7. The cell connecting method according to claim 6, wherein in the step of connecting the portions of the plurality of tabs (111) located in the connecting portion (112), the connecting positions extend along the connecting portion (112) near the edges of the pole pieces of the cell (11).
8. The cell connection method according to claim 1, wherein in the step of connecting an interposer (12) to the connecting portion (112) to connect two cells (11), an edge of the interposer (12) is aligned with an edge of the connecting portion (112) close to a pole piece of the cell (11).
9. A battery production apparatus, characterized in that the tab (111) is connected using the cell connection method according to any one of claims 1 to 8.
10. A battery, characterized in that it comprises a cell (11), and the tabs (111) of the cell (11) are connected by the cell connection method according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210361005.1A CN114709570A (en) | 2022-04-07 | 2022-04-07 | Battery cell connection method, battery production device and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210361005.1A CN114709570A (en) | 2022-04-07 | 2022-04-07 | Battery cell connection method, battery production device and battery |
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| CN114709570A true CN114709570A (en) | 2022-07-05 |
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| CN202210361005.1A Pending CN114709570A (en) | 2022-04-07 | 2022-04-07 | Battery cell connection method, battery production device and battery |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030066961A (en) * | 2002-02-06 | 2003-08-14 | 삼성에스디아이 주식회사 | Prismatic type sealed battery |
| KR20060033642A (en) * | 2004-10-15 | 2006-04-19 | 주식회사 에너랜드 | Method for treating electrode taps of stacked lithium secondary battery |
| DE102017213297A1 (en) * | 2017-08-01 | 2019-02-07 | Robert Bosch Gmbh | Battery cell with specially connected arrester element and method for manufacturing a battery cell |
| CN212494632U (en) * | 2020-06-24 | 2021-02-09 | 中航锂电科技有限公司 | Tab shaping device and battery tab connecting device |
| CN112952300A (en) * | 2021-03-29 | 2021-06-11 | 厦门海辰新能源科技有限公司 | Battery core, battery core assembly, battery and device using battery |
| CN214542372U (en) * | 2021-03-31 | 2021-10-29 | 蜂巢能源科技有限公司 | Battery core cover plate and battery core |
| CN113571844A (en) * | 2021-07-14 | 2021-10-29 | 厦门海辰新能源科技有限公司 | Preparation method of current collector assembly, battery monomer and battery pack |
| CN215644899U (en) * | 2021-09-23 | 2022-01-25 | 蜂巢能源科技有限公司 | Battery cell and energy storage equipment with same |
| CN114204222A (en) * | 2020-08-31 | 2022-03-18 | 比亚迪股份有限公司 | Battery and battery pack |
-
2022
- 2022-04-07 CN CN202210361005.1A patent/CN114709570A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030066961A (en) * | 2002-02-06 | 2003-08-14 | 삼성에스디아이 주식회사 | Prismatic type sealed battery |
| KR20060033642A (en) * | 2004-10-15 | 2006-04-19 | 주식회사 에너랜드 | Method for treating electrode taps of stacked lithium secondary battery |
| DE102017213297A1 (en) * | 2017-08-01 | 2019-02-07 | Robert Bosch Gmbh | Battery cell with specially connected arrester element and method for manufacturing a battery cell |
| CN212494632U (en) * | 2020-06-24 | 2021-02-09 | 中航锂电科技有限公司 | Tab shaping device and battery tab connecting device |
| CN114204222A (en) * | 2020-08-31 | 2022-03-18 | 比亚迪股份有限公司 | Battery and battery pack |
| CN112952300A (en) * | 2021-03-29 | 2021-06-11 | 厦门海辰新能源科技有限公司 | Battery core, battery core assembly, battery and device using battery |
| CN214542372U (en) * | 2021-03-31 | 2021-10-29 | 蜂巢能源科技有限公司 | Battery core cover plate and battery core |
| CN113571844A (en) * | 2021-07-14 | 2021-10-29 | 厦门海辰新能源科技有限公司 | Preparation method of current collector assembly, battery monomer and battery pack |
| CN215644899U (en) * | 2021-09-23 | 2022-01-25 | 蜂巢能源科技有限公司 | Battery cell and energy storage equipment with same |
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