CN212783608U - Battery cover plate assembly and battery - Google Patents
Battery cover plate assembly and battery Download PDFInfo
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- CN212783608U CN212783608U CN202022198925.5U CN202022198925U CN212783608U CN 212783608 U CN212783608 U CN 212783608U CN 202022198925 U CN202022198925 U CN 202022198925U CN 212783608 U CN212783608 U CN 212783608U
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- cover plate
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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
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Abstract
The utility model relates to a battery technology field provides a battery cover plate subassembly and battery. The battery cover plate component comprises a cover plate body, a fixing part and an electrode terminal, wherein the fixing part is arranged on the cover plate body; the electrode terminal is arranged on the cover plate body, and the fixing part is connected with the electrode terminal so as to limit the electrode terminal to be separated from the cover plate body; the cover plate body is provided with a first through hole, the fixing portion is provided with a second through hole, the first through hole and the second through hole are communicated to form a stepped hole, the electrode terminal is located on a stepped surface in the stepped hole, and the bottom end of the electrode terminal is not higher than the stepped surface. The bottom end of the electrode terminal is not higher than the step surface, namely, the distance between the bottom end of the electrode terminal and the lower surface of the cover plate body is smaller, so that the lug on the lower surface of the cover plate body is conveniently connected with the bottom end of the electrode terminal.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery cover plate subassembly and battery.
Background
The cover plate structure in the related art comprises an electrode terminal, a cover plate body and an electrode connecting sheet, wherein the electrode connecting sheet is connected with the electrode terminal through welding, and the connection between the electrode connecting sheet and the electrode terminal is complex due to the limitation of the assembly position between the electrode terminal and the cover plate body.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery cover plate subassembly and battery to make things convenient for being connected of electrode connection piece and electrode terminal.
According to the utility model discloses a first aspect provides a battery cover plate subassembly, include:
a cover plate body;
the fixing part is arranged on the cover plate body;
the electrode terminal is arranged on the cover plate body, and the fixing part is connected with the electrode terminal so as to limit the separation of the electrode terminal from the cover plate body;
the cover plate body is provided with a first through hole, the fixing portion is provided with a second through hole, the first through hole and the second through hole are communicated to form a stepped hole, the electrode terminal is located on a stepped surface in the stepped hole, and the bottom end of the electrode terminal is not higher than the stepped surface.
The utility model discloses a battery cover plate subassembly is through making electrode terminal's bottom not higher than the ladder face, and the distance between electrode terminal's bottom and the apron body lower surface is less promptly to the utmost point ear that conveniently is located apron body lower surface is connected with electrode terminal's bottom, and the fixed part can restrict electrode terminal and break away from the apron body.
According to a second aspect of the present invention, there is provided a battery, comprising the above battery cover plate assembly.
The utility model discloses a battery passes through battery cover plate subassembly's electrode terminal's bottom and is not higher than the ladder face, and the distance between electrode terminal's bottom and the apron body lower surface is less promptly to the utmost point ear that conveniently lies in apron body lower surface is connected with electrode terminal's bottom, and the fixed part can restrict electrode terminal and break away from the apron body.
Drawings
For a better understanding of the present disclosure, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views. Wherein:
fig. 1 is a partial structural schematic view illustrating a battery cover plate assembly according to an exemplary embodiment.
The reference numerals are explained below:
10. a cover plate body; 11. a first through hole; 20. a fixed part; 21. a connecting section; 22. a pressing section; 23. a second through hole; 30. an electrode terminal; 31. a first terminal portion; 311. a first groove; 32. a second terminal portion; 321. a second groove; 33. a first terminal segment; 34. a second terminal section; 40. an insulating member; 41. a first insulating portion; 42. a second insulating section; 43. a third insulating section; 50. and an electrode connecting sheet.
Detailed Description
The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.
In the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, reference to "the" object or "an" object is also intended to mean one of many such objects possible.
The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as the case may be.
Further, in the description of the present disclosure, it is to be understood that the directional words "upper", "lower", "inner", "outer", etc., which are described in the exemplary embodiments of the present disclosure, are described at the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure. It will also be understood that, in this context, when an element or feature is referred to as being "on", "under", or "inner", "outer" with respect to another element(s), it can be directly on "," under ", or" inner "," outer "with respect to the other element(s), or indirectly on", "under", or "inner", "outer" with respect to the other element(s) via intervening elements.
An embodiment of the utility model provides a battery cover plate subassembly, please refer to fig. 1, battery cover plate subassembly includes: a cover plate body 10; a fixing part 20, the fixing part 20 is arranged on the cover plate body 10; an electrode terminal 30, the electrode terminal 30 being disposed on the cap body 10, the fixing portion 20 being connected to the electrode terminal 30 to restrict the electrode terminal 30 from being detached from the cap body 10; the cover plate body 10 is provided with a first through hole 11, the fixing portion 20 is provided with a second through hole 23, the first through hole 11 and the second through hole 23 are communicated to form a stepped hole, the electrode terminal 30 is located on a stepped surface in the stepped hole, and the bottom end of the electrode terminal 30 is not higher than the stepped surface.
The utility model discloses a battery cover plate subassembly is through making electrode terminal 30's bottom not higher than the ladder face, and the distance between electrode terminal 30's bottom and the apron body 10 lower surface is less promptly to the utmost point ear that conveniently lies in apron body 10 lower surface is connected with electrode terminal 30's bottom, and fixed part 20 can restrict electrode terminal 30 and break away from apron body 10.
It should be noted that the electrode terminal 30 is connected to a tab of the battery, that is, the electrode terminal 30 and the tab may be directly connected. Alternatively, the electrode terminal 30 may be connected to a tab via the electrode connecting piece 50, i.e., the electrode terminal 30 and the tab may be indirectly connected.
Specifically, the bottom end of the electrode terminal 30 is not higher than the stepped surface, that is, the bottom end of the electrode terminal 30 may be flush with the stepped surface, and at this time, a portion of the electrode connecting piece 50 (or tab) is inserted into the first through hole 11 to be connected to the electrode terminal 30. Alternatively, the bottom end of the electrode terminal 30 may be located below the stepped surface, that is, the bottom end of the electrode terminal 30 may be located in the first through hole 11, and then a portion of the electrode connecting piece 50 (or tab) is inserted into the first through hole 11 to be connected with the electrode terminal 30. Alternatively, the bottom end of the electrode terminal 30 is located below the first through hole 11 or is flush with the bottom end surface of the first through hole 11, and the electrode connecting piece 50 (or tab) can be connected to the electrode terminal 30 without passing through the first through hole 11. The connection of the electrode connection pieces 50 (or tabs) to the electrode terminals 30 in this embodiment is more convenient than the design in which the electrode terminals are all located above the stepped surface in the related art.
In one embodiment, the electrode terminal 30 may be disposed on a surface of the cap body 10, or may be partially located inside the cap body 10. And the fixing part 20 is secured to be in contact with the electrode terminal 30 and can perform a fixing function.
It should be noted that the fixing portion 20 and the electrode terminal 30 are connected, that is, they may be fixedly connected, and the fixing portion 20 and the electrode terminal 30 are connected by a conventional connection method, such as a snap connection or a screw connection. Or the fixing portion 20 and the electrode terminal 30 are only in a contact relationship, that is, the fixing portion 20 is pressed on the electrode terminal 30, and the electrode terminal 30 is prevented from being separated from the cap body 10.
In one embodiment, as shown in fig. 1, the fixing portion 20 includes: the connecting section 21, the connecting section 21 is arranged on the cover plate body 10; and a pressing section 22, wherein the pressing section 22 is connected with the connecting section 21 and is inclined to the connecting section 21 so as to press against the electrode terminal 30.
Specifically, the fixing portion 20 is composed of a connecting section 21 and a pressing section 22, the connecting section 21 connects the fixing portion 20 to the cover plate body 10, and the pressing section 22 limits the electrode terminal 30 on the cover plate body 10, that is, it is ensured that the electrode terminal 30 is reliably disposed on the cover plate body 10.
It should be noted that, the pressing section 22 is disposed obliquely to the connecting section 21, that is, the pressing section 22 can press against the end face of the electrode terminal 30, and the end face of the electrode terminal 30 here is not necessarily a top end. The pressing position of the pressing section 22 is not limited herein, and may be selected accordingly according to the specific structure.
In one embodiment, an end of the fixing portion 20 away from the cover body 10 is bent toward the inside of the second through hole 23, so that the fixing portion 20 is formed into a connecting section 21 and a pressing section 22, thereby ensuring that the pressing section 22 presses against the electrode terminal 30. The pressing section 22 is used for pressing the electrode terminal 30, so that the electrode terminal 30 can be stably fixed, the electrode terminal 30 is prevented from being separated from the fixing part 20 in the use process of the power battery, the safety of the battery is improved, the height of the electrode terminal 30 can be limited, the height of the whole battery is limited, the structure is simple, the cost is low, and the stability of pressing the electrode terminal 30 is good.
In one embodiment, the fixing portion 20 may be an annular boss, where the annular boss is not specifically a circular ring, but may also be a polygon, and the emphasis may be to form a closed second through hole 23.
In one embodiment, the shapes of the first and second through holes 11 and 23 are adapted to the shape of the electrode terminal 30. After the electrode terminal 30 is mounted on the stepped surface in the stepped hole, the fixing portion 20 is bent, thereby ensuring that the pressing section 22 presses against the electrode terminal 30.
In one embodiment, as shown in fig. 1, the electrode terminal 30 includes: the first terminal section 33, the first terminal section 33 is set up on the ladder surface, the fixed part 20 links with first terminal section 33, at least part of the first terminal section 33 locates in the second through hole 23; and a second terminal section 34, wherein the second terminal section 34 is arranged on the first terminal section 33 and faces the first through hole 11, and the bottom end of the second terminal section 34 is not higher than the step surface.
Specifically, the first terminal section 33 of the electrode terminal 30 belongs to a support section, i.e., is supported on the cover body 10, while the second terminal section 34 protrudes downward relative to the first terminal section 33, i.e., is used for connecting with the electrode connecting sheet 50, and the second terminal section 34 is connected to the middle of the first terminal section 33.
In one embodiment, the bottom end of the second terminal section 34 is connected to a tab, or the bottom end of the second terminal section 34 is connected to a tab by an electrode connecting tab 50.
In one embodiment, the second terminal section 34 is disposed through the first through hole 11.
In one embodiment, the bottom end of the second terminal section 34 is located in the first through hole 11, and a portion of the electrode connecting piece 50 is inserted into the first through hole 11 to be connected to the electrode terminal 30.
In one embodiment, the bottom end of the second terminal section 34 is no higher than the end of the first through hole 11 away from the stepped surface.
In one embodiment, the bottom end of the second terminal section 34 is flush with the bottom end surface of the first through hole 11, and the electrode connecting piece 50 can be connected with the electrode terminal 30 without passing through the first through hole 11.
In one embodiment, the bottom end of the second terminal section 34 is located outside the first through hole 11, i.e., the bottom end of the second terminal section 34 is lower than the port of the first through hole 11, and a portion of the electrode connecting piece 50 is inserted into the first through hole 11 to be connected with the electrode terminal 30.
It should be noted that the electrode terminal 30 may be a single body, i.e., the first terminal section 33 and the second terminal section 34 are integrally formed. Alternatively, the electrode terminal 30 may be formed by connecting a plurality of independent structures.
In one embodiment, as shown in fig. 1, the battery cover plate assembly further includes: an insulating member 40, at least a portion of the insulating member 40 being disposed on a lower surface of the cap body 10; the electrode terminal 30 is inserted into the insulator 40, and is connected to the tab.
Considering that the insulating member 40 is located below the cap body 10, the electrode terminal 30 is inserted into the insulating member 40, that is, the bottom end of the electrode terminal 30 may be located in the insulating member 40, may be flush with the lower surface of the insulating member 40, or may be located outside the lower surface of the insulating member 40, and at this time, the connection of the tab with the electrode terminal 30 directly or through the electrode connecting piece 50 may be facilitated.
In one embodiment, the bottom end of the electrode terminal 30 is not higher than the lower surface of the insulating member 40. The upper surface of the insulator 40 is in contact with the cap plate body 10, the lower surface of the insulator 40 can be in contact with the electrode connecting piece 50 or tab, and the bottom end of the electrode terminal 30 is flush with the lower surface of the insulator 40 or is located below the lower surface of the insulator 40, so that the electrode connecting piece 50 or tab can be more easily connected with the electrode terminal 30.
In one embodiment, the battery cover plate assembly further comprises: and an electrode connecting piece 50, wherein the electrode connecting piece 50 comprises a flat section, and the flat section is connected with the bottom end of the electrode terminal 30 and is connected with the insulating piece 40. Because the bottom end of the electrode terminal 30 is flush with the lower surface of the insulating part 40 or is positioned below the lower surface of the insulating part 40, the electrode connecting sheet 50 does not need to be bent and then penetrates through the insulating part 40 to be connected with the electrode terminal 30, so that the connection operation is convenient, and the structure of the electrode connecting sheet 50 is simpler.
In one embodiment, as shown in fig. 1, the insulating member 40 includes a first insulating portion 41, a second insulating portion 42, and a third insulating portion 43, at least a portion of the first insulating portion 41 is disposed between the electrode terminal 30 and the fixing portion 20, the second insulating portion 42 is disposed between the electrode terminal 30 and the cap body 10, and the third insulating portion 43 is disposed at a lower surface of the cap body 10; the electrode terminal 30 is inserted into the third insulating portion 43.
The insulating member 40 ensures that the fixing portion 20 and the cap body 10 are both insulated from the electrode terminal 30, and can achieve insulation between the cap body 10 and the electrode connecting piece 50.
The electrode terminal 30 is inserted into the third insulating portion 43, and not specifically, the side wall of the electrode terminal 30 directly faces the third insulating portion 43, but another structure may be provided between the electrode terminal 30 and the third insulating portion 43, and as shown in fig. 1, a portion of the second insulating portion 42 is located between the electrode terminal 30 and the third insulating portion 43.
It should be noted that the fixing portion 20 is connected to the electrode terminal 30 through the insulating member 40, i.e., the fixing portion 20 and the electrode terminal 30 are insulated from each other by the insulating member 40.
In one embodiment, the tab is connected to the electrode terminal 30 by an electrode connecting tab 50, i.e., the third insulation portion 43 is disposed between the cap plate body 10 and the electrode connecting tab 50.
In one embodiment, at least one of the cap body 10, the fixing portion 20, and the electrode terminal 30 is snapped with the insulating member 40. The clamping may be a protrusion and a groove, and the insulating member 40 may be directly injected into a gap formed by the cap body 10, the fixing portion 20, and the electrode terminal 30.
The third insulating portion 43 may be disposed between the electrode terminal 30 and the cap body 10, and is not limited herein.
In one embodiment, the first insulating portion 41 is disposed between the electrode terminal 30 and the fixing portion 20, and between the electrode terminal 30 and the cap body 10.
In one embodiment, the first insulating portion 41 and the second insulating portion 42 are integrally formed, so that the sealing and insulating effects can be ensured on the basis of improving the molding efficiency.
In one embodiment, the second insulating portion 42 and the third insulating portion 43 are of a unitary structure.
In one embodiment, the first insulating portion 41, the second insulating portion 42, and the third insulating portion 43 are an integral structure.
In one embodiment, the second insulating portion 42 is a gasket.
In one embodiment, as shown in fig. 1, the electrode terminal 30 includes: a first terminal 31, to which the fixing portion 20 is connected, and a second terminal 31; a second terminal portion 32, the second terminal portion 32 being disposed on the stepped surface, the first terminal portion 31 being disposed on a side of the second terminal portion 32 away from the stepped surface, a bottom portion of the second terminal portion 32 being no higher than the stepped surface; the first terminal portion 31 and the second terminal portion 32 are made of different materials so as to be adapted to the materials of the bus bar and the electrode connection pad 50 to which the first terminal portion 31 and the second terminal portion 32 are respectively connected.
It should be noted that the first terminal portion 31 and the second terminal portion 32 may be prepared from two plate materials, and the two plate materials are bonded together by punching, so as to form the first terminal portion 31 and the second terminal portion 32. In the present embodiment, the first terminal portion 31 and the second terminal portion 32 may be aluminum and copper, respectively.
Specifically, the first terminal portion 31 is provided with a first groove 311, the second terminal portion 32 is provided with a second groove 321, and one end of the first terminal portion 31 is inserted into the second groove 321.
In one embodiment, the bottom ends of the second terminal portions 32 are connected directly to the tabs, or the bottom ends of the second terminal portions 32 are connected to the tabs by electrode tabs 50.
In one embodiment, the electrode connecting pieces 50 are welded to the electrode terminals 30.
In one embodiment, the electrode connecting piece 50 and the electrode terminal 30 may be butt-welded.
In one embodiment, the electrode connecting piece 50 and the electrode terminal 30 may be butt welded.
An embodiment of the utility model also provides a battery, including foretell battery cover plate subassembly.
The utility model discloses a battery passes through battery cover plate assembly's electrode terminal 30's bottom and is not higher than the ladder face, and the distance between the bottom of electrode terminal 30 and the apron body 10 lower surface is less promptly to the utmost point ear that conveniently lies in apron body 10 lower surface is connected with electrode terminal 30's bottom, and fixed part 20 can restrict electrode terminal 30 and break away from apron body 10.
In one embodiment, the tab is connected to the electrode terminal 30 by the electrode connecting piece 50, two electrode terminals 30 are disposed on the cover plate body 10, and each of the two electrode terminals 30 corresponds to the fixing portion 20 and the electrode connecting piece 50.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A battery cover plate assembly, comprising:
a cover body (10);
a fixing portion (20), the fixing portion (20) being provided on the cover plate body (10);
an electrode terminal (30), wherein the electrode terminal (30) is arranged on the cover plate body (10), and the fixing part (20) is connected with the electrode terminal (30) so as to limit the separation of the electrode terminal (30) from the cover plate body (10);
wherein, be provided with first through-hole (11) on apron body (10), be provided with second through-hole (23) on fixed part (20), first through-hole (11) with second through-hole (23) intercommunication becomes the shoulder hole, electrode terminal (30) are located on the ladder face in the shoulder hole, the bottom of electrode terminal (30) is not higher than the ladder face.
2. The battery cover plate assembly of claim 1, wherein the electrode terminal (30) comprises:
a first terminal section (33), wherein the first terminal section (33) is arranged on the stepped surface, the fixing part (20) is connected with the first terminal section (33), and at least part of the first terminal section (33) is positioned in the second through hole (23);
a second terminal section (34), wherein the second terminal section (34) is arranged on the first terminal section (33) and faces the first through hole (11), and the bottom end of the second terminal section (34) is not higher than the step surface.
3. The battery cover plate assembly according to claim 2, wherein the second terminal section (34) is arranged through the first through hole (11).
4. The battery cover plate assembly according to claim 3, wherein the bottom end of the second terminal section (34) is no higher than the end of the first through hole (11) away from the stepped surface.
5. The battery cover plate assembly of claim 1 or 2, further comprising:
an insulator (40), at least a portion of the insulator (40) being disposed on a lower surface of the cap body (10);
wherein the electrode terminal (30) is inserted into the insulator (40).
6. The battery cover plate assembly according to claim 5, wherein the bottom end of the electrode terminal (30) is not higher than the lower surface of the insulating member (40).
7. The battery cover plate assembly of claim 6, further comprising:
the electrode connecting piece (50), the electrode connecting piece (50) includes the flat section, the flat section with the bottom of electrode terminal (30) is connected, and with insulating part (40) is connected.
8. The battery cover plate assembly according to claim 5, wherein the insulating member (40) includes a first insulating portion (41), a second insulating portion (42), and a third insulating portion (43), at least a portion of the first insulating portion (41) being disposed between the electrode terminal (30) and the fixing portion (20), the second insulating portion (42) being disposed between the electrode terminal (30) and the cover plate body (10), the third insulating portion (43) being disposed at a lower surface of the cover plate body (10);
wherein the electrode terminal (30) is inserted into the third insulating portion (43).
9. The battery cover plate assembly of claim 1, wherein the electrode terminal (30) comprises:
a first terminal part (31), the fixing part (20) being connected to the first terminal part (31);
a second terminal portion (32), wherein the second terminal portion (32) is arranged on the step surface, the first terminal portion (31) is arranged on one side of the second terminal portion (32) far away from the step surface, and the bottom of the second terminal portion (32) is not higher than the step surface;
wherein the first terminal portion (31) and the second terminal portion (32) are made of different materials.
10. A battery comprising the battery cover plate assembly of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198925.5U CN212783608U (en) | 2020-09-30 | 2020-09-30 | Battery cover plate assembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198925.5U CN212783608U (en) | 2020-09-30 | 2020-09-30 | Battery cover plate assembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212783608U true CN212783608U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022198925.5U Active CN212783608U (en) | 2020-09-30 | 2020-09-30 | Battery cover plate assembly and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212783608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164175A1 (en) * | 2023-02-08 | 2024-08-15 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electric device |
-
2020
- 2020-09-30 CN CN202022198925.5U patent/CN212783608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164175A1 (en) * | 2023-02-08 | 2024-08-15 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electric device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Kaibo Energy Technology Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Kaibo Energy Technology Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220118 Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| TR01 | Transfer of patent right |