CN213601987U - Electricity core subassembly and battery - Google Patents
Electricity core subassembly and battery Download PDFInfo
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- CN213601987U CN213601987U CN202022361304.4U CN202022361304U CN213601987U CN 213601987 U CN213601987 U CN 213601987U CN 202022361304 U CN202022361304 U CN 202022361304U CN 213601987 U CN213601987 U CN 213601987U
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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
Abstract
The application relates to the field of batteries, in particular to an electric core assembly and a battery. The battery core assembly comprises a battery core; the battery cell comprises a body, a first tab and a second tab; the first pole post is electrically connected with the first pole lug through a first switching sheet, and a first welding area is formed at the welding position of the first pole lug and the first switching sheet; two surfaces of the first welding area facing the first pole and two surfaces of the first welding area departing from the first pole are provided with first insulating glue; and the second pole post is electrically connected with the second pole ear through the second adapter sheet. First utmost point ear and first switching piece welding position can form the burr and weld the bits, all sets up first insulating cement on the two sides of welding seal district, and first insulating cement can cover the burr and the bits of welding seal district two sides to avoid the burr and weld all the other position contact of bits and electric core subassembly and lead to other positions of fish tail, can also avoid the emergence of the circumstances such as short circuit when can avoiding the damage of electric core, improve the performance and the life of battery.
Description
Technical Field
The application relates to the field of batteries, in particular to an electric core assembly and a battery.
Background
In the battery assembling process, the electrode lug of the battery core is fixed on the pole of the top cover by welding; in the welding and die cutting processes, burrs are generated, and the burrs easily stab the battery core to influence the performance of the battery.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of this application is to provide an electric core subassembly and battery, it aims at improving the problem that current burr easily stabs electric core.
This application first aspect provides a cell subassembly, and the cell subassembly includes:
an electric core; the battery cell comprises a body, a first tab and a second tab, wherein the first tab and the second tab are arranged on the body and have opposite polarities;
the first pole post is electrically connected with the first pole lug through a first adapter plate, and a first welding printing area is formed at the welding position of the first pole lug and the first adapter plate; two surfaces of the first welding area facing the first pole and two surfaces of the first welding area departing from the first pole are provided with first insulating glue; and
and the second pole column is electrically connected with the second pole ear through a second adapter sheet.
First utmost point ear and first switching piece welding position can form the burr and weld the bits, all sets up first insulating cement on the two sides of welding seal district, and first insulating cement can cover the burr and the bits of welding seal district two sides to avoid the burr and weld all the other position contact of bits and electric core subassembly and lead to other positions of fish tail, can also avoid the emergence of the circumstances such as short circuit when can avoiding the damage of electric core, improve the performance and the life of battery.
In some embodiments of the first aspect of the present application, the first insulating paste covers the entirety of the first tab.
In some embodiments of the first aspect of the present application, the first insulating glue extends to the body and covers a portion of the body.
In some embodiments of the first aspect of the present application, the first insulating paste covers the entire first tab and the entire second tab.
In some embodiments of the first aspect of the present application, a second weld region is formed at a second tab and second interposer welding location; and the second welding area faces the second pole and deviates from two faces of the second pole are provided with second insulating glue.
In some embodiments of the first aspect of the present application, the second insulating glue extends to the body and covers a portion of the body.
In some embodiments of the first aspect of the present application, the second insulating paste covers the entire first tab and the entire second tab.
In some embodiments of the first aspect of the present application, the cell assembly comprises two of said cells; the first tabs of the two battery cells are connected with the first switching sheet; the second pole ears of the two battery cells are connected with the second adapter sheet;
and each battery cell is provided with one first insulating adhesive.
In some embodiments of the first aspect of the present application, the first insulating glues of the two battery cells are connected to each other.
The second aspect of the present application further provides a battery, which comprises a top cover and the above-mentioned electric core assembly, wherein the first terminal post and the second terminal post are both connected with the top cover in an insulating way.
The battery has the advantages of the battery core assembly, and the performance and the service life of the battery can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram illustrating a first view angle of a current core assembly provided by an embodiment of the present application;
fig. 2 is a schematic structural diagram illustrating a second view of the electric core assembly provided by the embodiment of the present application;
fig. 3 is a schematic structural diagram illustrating a first view angle of a first cell provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a second view angle of a first cell provided in an embodiment of the present application;
fig. 5 shows a schematic structural diagram of an electric core assembly provided by an embodiment of the present application without an insulating adhesive.
Icon: 100-an electric core component; 10-a first cell; 20-a second cell; 101-first insulating glue; 102-second insulating glue; 110-a first tab; 111-a first pole; 112-a first transfer tab; 120-a second tab; 121-a second pole; 122-a second interposer; 130-body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
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.
In the description of the embodiments of the present application, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the application usually place when in use, or the orientations or positional relationships that the skilled person usually understands, are only for convenience of description and simplification of description, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the application.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
Fig. 1 is a schematic diagram illustrating a first view of an electrical core assembly 100 provided in an embodiment of the present application, and fig. 2 is a schematic diagram illustrating a second view of the electrical core assembly 100 provided in an embodiment of the present application, please refer to fig. 1 and fig. 2; the present embodiment provides an electric core assembly 100.
The battery core assembly 100 includes a first battery cell 10 and a second battery cell 20; the first cell 10 and the second cell 20 are electrically connected.
Fig. 3 shows a structural schematic diagram of a first view angle of the first battery cell 10 provided in an embodiment of the present application, and fig. 4 shows a structural schematic diagram of a second view angle of the first battery cell 10 provided in an embodiment of the present application; fig. 5 shows a schematic structural diagram of the electric core assembly 100 provided by the embodiment of the present application without applying an insulating glue.
Referring to fig. 1 to 5, the first battery cell 10 includes a first tab 110, a second tab 120, and a body 130; the first cell 10 is electrically connected to the first pole 111 and the second pole 121. The first tab 110 and the second tab 120 have opposite polarities, one is a positive tab, and the other is a negative tab; the first tab 110 and the second tab 120 are both connected to the body 130. The first tab 110 and the first pole 111 are electrically connected by a first transfer tab 112. The second pole ear 120 and the second pole post 121 are electrically connected through a second interposer 122.
In detail, the first tab 110 is welded to the first transfer tab 112, and the first pole 111 is electrically connected to the first transfer tab 112. After the first tab 110 is welded with the first transfer sheet 112, a first welding print area is formed at the welding position; in this application, the first solder print area is provided with first insulating glue 101 on both sides facing first pole 111 and departing from first pole 111. Referring to fig. 3 and 4, fig. 3 and 4 respectively show two surfaces located in the first bonding area. The first solder print area has two faces, a surface facing first pole 111 and a surface facing away from first pole 111; the two surfaces are provided with first insulating glue 101; as an example, the first insulating paste 101 may be attached to both sides of the first solder printing region in a paste manner.
First insulating glue 101 is arranged on two sides of the first welding and printing area, and the first insulating glue 101 can cover burrs, welding scraps and the like on the two sides of the first welding and printing area, so that the burrs, the welding scraps and the like are effectively prevented from contacting with other parts of the battery core; the body 130 or the pole and the like are prevented from being scratched by burrs and welding scraps; thereby improving the performance of the battery.
Fig. 1 and 2 respectively show two sides of a first solder printing area of a current core assembly 100; it can be seen that the first insulating paste 101 is attached to both sides of the first solder printing area. In the embodiment of the present application, the first insulating paste 101 covers the entire first tab 110. So that the first solder printing area can be covered well.
Further, in the embodiment of the present application, the first insulating paste 101 also extends to the body 130 and covers a portion of the body 130. In other words, the first insulating paste 101 covers the first tab 110 while also covering the portion body 130.
The first insulating glue 101 is a substantially rectangular sheet, and the first insulating glue 101 covers the first tab 110, the connection portion of the body 130 and the first tab 110, and the bent portion of the body 130. It is understood that in other embodiments of the present application, the first insulating paste 101 may have other shapes, and the embodiments of the present application do not limit the size of the shape of the first insulating paste 101.
It should be noted that, in other embodiments of the present application, the first insulating paste 101 may only cover the first solder printing region; alternatively, the first insulating paste 101 may cover only the first tab 110, and so on.
Alternatively, in some embodiments of the present application, the first insulating paste 101 also covers the second pole ear 120; in other words, the first insulating paste 101 extends to the position where the second tab 120 is located and covers the second tab 120. Accordingly, the first insulating paste 101 can prevent burrs and swarf at the second tab 120 from contacting the body 130, thereby scratching the body 130.
It is understood that in other embodiments of the present application, the first insulating paste 101 may not cover the second pole ear 120. The insulating paste covering the second tab 120 may be separately provided.
For example, in the present embodiment, the second pole ear 120 and the second pole column 121 are electrically connected through the second interposer 122. The second tab 120 is welded to the second interposer 122, and a second solder area is formed at the welding position after the second tab 120 is welded to the second interposer 122.
In this embodiment, the second solder printing area is provided with the second insulating glue 102 on both surfaces facing the second pole 121 and facing away from the second pole 121.
Referring to fig. 3 and fig. 4 again, in other words, the second solder printing region also has two surfaces, one surface facing the second electrode post 121 and one surface facing away from the second electrode post 121; the second insulating paste 102 is disposed on both surfaces.
The second insulating glue 102 can cover burrs and welding scraps from two surfaces of the second welding-printed area, so that the burrs and welding scraps of the second welding-printed area are prevented from contacting the body 130, and the body 130 is prevented from being scratched.
In other words, in the present embodiment, both surfaces of the first solder printing region on the first tab 110 are covered with the first insulating paste 101, and both surfaces of the second solder printing region on the second tab 120 are covered with the second insulating paste 102. The burrs and the welding scraps of the first lug 110 and the second lug 120 can be prevented from scratching the rest parts.
It is understood that in other embodiments of the present application, an insulating glue may be applied on the same side of the first and second solder printing areas, and an insulating glue covers both the first and second solder printing areas. In other words, the first and second insulations 101 and 102 on the same side of the first tab 110 are joined. In the manufacturing process, the insulation glue can be pasted on the same side of the first tab 110 only once; the first cell 10 may be pasted with only two insulating glues. The first cell 10 may include only two insulating glues, one insulating glue is located on one side of the first tab 110, and the other insulating glue is located on the other side of the first tab 110. An insulating paste covers both the first tab 110 and the second tab 120.
In view of the above, in the present embodiment, the battery core assembly 100 includes the first battery cell 10 and the second battery cell 20; the first cell 10 and the second cell 20 are electrically connected.
In the present embodiment, the first cell 10 and the second cell 20 have the same structure. And the welding printing areas corresponding to the two tabs of the second battery cell 20 are also connected with the insulating glue. In other words, the second battery cell 20 is also provided with the first insulating paste 101 and the second insulating paste 102, respectively.
Illustratively, the first tab 110 of the first battery cell 10 is electrically connected to the first pole column 111 through the first transfer sheet 112, and the tab of the second battery cell 20 is also electrically connected to the first transfer sheet 112. The tab of the second battery cell 20 is connected to the first transfer sheet 112 by welding. Correspondingly, the welding position of the tab and the first connecting piece 112 also has a welding seal area, and the two opposite surfaces of the welding seal area are pasted with insulating glue. In the present embodiment, the insulating paste of the second cell 20 and the insulating paste (the first insulating paste 101 and the second insulating paste 102) of the first cell 10 are separately provided.
It is understood that in other embodiments of the present application, the insulating paste of the second cell 20 and the insulating paste of the first cell 10 may be integrally disposed on the same side of the body 130. In other words, on the same side of the body 130, the insulating paste of the second cell 20 is connected to the insulating paste of the first cell 10, one insulating paste covers the same side of the two tabs of the first cell 10 and the second cell 20, and the other insulating paste covers the other side of the two tabs of the first cell 10 and the second cell 20.
In other words, for the embodiment in which the electric core assembly 100 includes two electric cores, the two electric cores may have the same structure, and each electric core is provided with the first insulating paste 101 and the second insulating paste 102; further, the first insulating glue 101 or the second insulating glue 102 of the two battery cells can be independently arranged; the first insulating glues 101 of the two battery cells can be connected with each other and integrally arranged, and the second insulating glues 102 of the two battery cells can also be connected with each other and integrally arranged; further, the first insulating glue 101 and the second insulating glue 102 of the two battery cells located on the same side may be integrally connected to each other.
It should be noted that in other embodiments of the present application, the battery core assembly 100 may include only one battery cell, for example, only the first battery cell 10 or the second battery cell 20. Further, in other embodiments of the present application, the first battery cell 10 is pasted with the first insulating glue 101 and the second insulating glue 102, and the second battery cell 20 may be pasted with the insulating glue only on one side where the tab is connected with the cover plate.
The electric core assembly 100 provided by the embodiment of the application has at least the following advantages:
first utmost point ear 110 and first switching piece 112 welding position can form the burr and weld the bits, all sets up first insulating cement 101 on the two sides of welding seal district, and first insulating cement 101 can cover the burr and the bits of welding seal district two sides to avoid the burr and weld all the other position contact of bits and electric core subassembly 100 and lead to other positions of fish tail, can also avoid the emergence of the circumstances such as short circuit when can avoiding the damage of electric core, improve the performance and the life of battery.
The application also provides a battery, which comprises a top cover and the electric core assembly 100, wherein the first pole column 111 and the second pole column 121 of the electric core assembly 100 are both connected with the top cover in an insulating way.
It will be appreciated that the battery has the advantages of the cell assembly 100 described above in this application, which can improve the performance and lifespan of the battery.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An electric core assembly, characterized in that, the electric core assembly includes:
an electric core; the battery cell comprises a body, a first tab and a second tab, wherein the first tab and the second tab are arranged on the body and have opposite polarities;
the first pole post is electrically connected with the first pole lug through a first adapter plate, and a first welding printing area is formed at the welding position of the first pole lug and the first adapter plate; two surfaces of the first welding area facing the first pole and two surfaces of the first welding area departing from the first pole are provided with first insulating glue; and
and the second pole column is electrically connected with the second pole ear through a second adapter sheet.
2. The electric core assembly according to claim 1, wherein said first insulating paste covers the entire first tab.
3. The electric core assembly according to claim 1, wherein said first insulating glue extends to said body and covers a portion of said body.
4. The electric core assembly according to claim 1, wherein said first insulating glue covers the entire first tab and the entire second tab.
5. The electrical core assembly of any one of claims 1-4, wherein the second tab and the second interposer weld location form a second weld footprint; and the second welding area faces the second pole and deviates from two faces of the second pole are provided with second insulating glue.
6. The electrical core assembly of claim 5, wherein the second insulating glue extends to the body and covers a portion of the body.
7. The die assembly of claim 5, wherein the second insulating paste covers the entire first tab and the entire second tab.
8. The electric core assembly according to any one of claims 1 to 4, wherein the electric core assembly comprises two electric cores; the first tabs of the two battery cells are connected with the first switching sheet; the second pole ears of the two battery cells are connected with the second adapter sheet;
and each battery cell is provided with one first insulating adhesive.
9. The cell assembly of claim 8, wherein the first insulating glue of two of the cells is connected to each other.
10. A battery comprising a top cover and the electric core assembly of any one of claims 1-9, wherein the first terminal and the second terminal are both connected to the top cover in an insulating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361304.4U CN213601987U (en) | 2020-10-21 | 2020-10-21 | Electricity core subassembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361304.4U CN213601987U (en) | 2020-10-21 | 2020-10-21 | Electricity core subassembly and battery |
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| CN213601987U true CN213601987U (en) | 2021-07-02 |
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| CN202022361304.4U Active CN213601987U (en) | 2020-10-21 | 2020-10-21 | Electricity core subassembly and battery |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115377620A (en) * | 2022-08-11 | 2022-11-22 | 天能新能源(湖州)有限公司 | Electrode switching piece and battery tab switching structure |
| CN115458872A (en) * | 2022-11-10 | 2022-12-09 | 瑞浦兰钧能源股份有限公司 | Secondary cell's switching piece |
| CN115566375A (en) * | 2022-11-11 | 2023-01-03 | 深圳海润新能源科技有限公司 | Energy storage device and electric device |
| WO2023098438A1 (en) * | 2021-11-30 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | Power battery and power consuming device |
| WO2023123410A1 (en) * | 2021-12-31 | 2023-07-06 | 东莞新能源科技有限公司 | Battery cell, battery, and electrical device |
| WO2024055159A1 (en) * | 2022-09-13 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electric device |
| WO2024055240A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Battery pack and electrical device |
-
2020
- 2020-10-21 CN CN202022361304.4U patent/CN213601987U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023098438A1 (en) * | 2021-11-30 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | Power battery and power consuming device |
| WO2023123410A1 (en) * | 2021-12-31 | 2023-07-06 | 东莞新能源科技有限公司 | Battery cell, battery, and electrical device |
| CN115377620A (en) * | 2022-08-11 | 2022-11-22 | 天能新能源(湖州)有限公司 | Electrode switching piece and battery tab switching structure |
| WO2024055159A1 (en) * | 2022-09-13 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electric device |
| WO2024055240A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Battery pack and electrical device |
| CN115458872A (en) * | 2022-11-10 | 2022-12-09 | 瑞浦兰钧能源股份有限公司 | Secondary cell's switching piece |
| CN115566375A (en) * | 2022-11-11 | 2023-01-03 | 深圳海润新能源科技有限公司 | Energy storage device and electric device |
| CN115566375B (en) * | 2022-11-11 | 2023-03-10 | 深圳海润新能源科技有限公司 | Energy storage device and electric device |
| US11870102B1 (en) | 2022-11-11 | 2024-01-09 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Energy storage device and electronic device |
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Address after: 361100 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Province Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: 361000 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |
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