CN214280082U - Cover plate assembly and power battery - Google Patents
Cover plate assembly and power battery Download PDFInfo
- Publication number
- CN214280082U CN214280082U CN202120149338.9U CN202120149338U CN214280082U CN 214280082 U CN214280082 U CN 214280082U CN 202120149338 U CN202120149338 U CN 202120149338U CN 214280082 U CN214280082 U CN 214280082U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- terminal
- post
- pole
- insulating part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The application provides a apron subassembly and power battery relates to the power battery field. The cover plate assembly comprises a lower insulating part, a cover plate and two pole terminals which are arranged on the cover plate respectively. Wherein, at least one utmost point post terminal includes interconnect's utmost point post body and kink, and utmost point post body is located the one side that the apron deviates from insulating part down, and the kink is constructed to outwards bend and closely press to locate down one side that insulating part deviates from the apron after passing apron and insulating part down in proper order to make utmost point post body be fixed in insulating part down. When being fixed in the insulating part down with utmost point post body through above-mentioned setting, do not need extra welding operation, effectively simplify the assembly step to compare in the apron subassembly that current injection structure, welding and injection structure etc. adopted, structure and the processing technology of reducing the apron subassembly, and then reduce the cost and the weight of apron subassembly and the power battery including above-mentioned apron subassembly.
Description
Technical Field
The application relates to the field of power batteries, in particular to a cover plate assembly and a power battery.
Background
The power battery cover plate component is provided with an injection molding structure, a welding and injection molding structure and the like, and the pole column structure of the top cover structure is complex, the processing technology is complex, so that the cost of the power battery top cover is higher, and the weight is larger; in addition, the assembly process is also complex, and particularly for the negative electrode, copper and aluminum friction welding or compounding is needed firstly, then machining is carried out, and finally injection molding or riveting is carried out.
In view of this, the present application is hereby presented.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a cover plate assembly and a power battery, which can solve at least one of the above problems.
In a first aspect, an embodiment of the present application provides a cover plate assembly, which includes a lower insulating member, a cover plate, and two terminal posts respectively disposed on the cover plate.
Wherein, at least one utmost point post terminal includes interconnect's utmost point post body and kink, and utmost point post body is located the one side that the apron deviates from insulating part down, and the kink is constructed to outwards bend and closely press to locate down one side that insulating part deviates from the apron after passing apron and insulating part down in proper order to make utmost point post body be fixed in insulating part down.
In the above-mentioned realization in-process, at the in-process of assembly, only need pass apron and lower insulating part in proper order with the kink earlier, then outwards buckle the kink, effectively be fixed in insulating part down with utmost point post body, the drain electrode post body that violently simultaneously is used for follow-up and is connected with electric core, does not need extra welding operation, effectively simplifies the assembly step. Compared with the cover plate assembly adopted by the existing injection molding structure, welding and injection molding structure and the like, the material usage of the pole terminal is reduced, the structure and the processing technology of the cover plate assembly are simplified, and the cost and the weight of the cover plate assembly are further reduced.
In a possible embodiment, the bent portion comprises at least two claw portions arranged at intervals along the circumferential direction of the pole body.
In the above-mentioned realization process, the mode that sets up of claw is convenient for follow-up buckling under the effect of external force, and weight reduction simultaneously, the comparatively stable assembly of utmost point post body can be guaranteed in insulating part down in the setting of two at least claws.
In one possible embodiment, the bent portion includes four claw portions arranged at equal intervals in the circumferential direction of the pole terminal.
In the implementation process, the pole body can be effectively ensured to be stably assembled on the lower insulating part through the arrangement mode that the four claw parts are equidistantly spaced.
In a possible embodiment, one side of the lower insulating part, which is far away from the cover plate, is provided with limiting grooves which correspond to the claw parts in a one-to-one mode.
In the above-mentioned realization process, utilize the setting of spacing groove, prevent to assemble the skew of back claw portion, further improve the stability of utmost point post body assembly under behind the insulating part.
In a possible embodiment, the two pole terminals are respectively used as a negative pole terminal and a positive pole terminal, the negative pole terminal is assembled with the cover plate in an insulating way, and the positive pole terminal is assembled with the cover plate in an electric connection way.
The corrosion is avoided by the arrangement.
Optionally, the cover plate is provided with a first pole hole matched with the negative pole terminal; the cover plate assembly comprises an upper insulating part matched with the negative pole post terminal, the upper insulating part is assembled between the negative pole post terminal and the first pole post hole, and the negative pole post terminal is electrically isolated from the cover plate through the upper insulating part.
Optionally, the cover plate is provided with a second pole hole matched with the positive pole terminal; the cover plate assembly comprises a resistance component matched with the positive pole post terminal, the resistance component is assembled between the positive pole post terminal and the second pole post hole, and the positive pole post terminal is electrically connected with the cover plate through the resistance component.
In a possible embodiment, the resistance value of the resistive member is between 0.01m Ω and 20000 Ω.
In one possible embodiment, the cover plate assembly includes a first seal ring and a second seal ring, the first seal ring is assembled between the negative pole terminal and the first pole hole and seals the negative pole terminal and the cover plate, and the second seal ring is assembled between the positive pole terminal and the second pole hole and seals the positive pole terminal and the cover plate.
In the implementation process, the arrangement of the first sealing ring and the second sealing ring is utilized, the sealing effect between the negative pole terminal and the cover plate and the sealing effect between the positive pole terminal and the cover plate are further ensured, and liquid leakage is prevented.
In a second aspect, embodiments of the present application provide a power battery, which includes the cover plate assembly provided in the first aspect of the present application.
In the implementation process, the manufacturing cost and the weight of the power battery can be reduced based on the improvement of the cover plate assembly, and meanwhile, the assembly efficiency of the power battery is effectively improved based on the convenience of the assembly of the cover plate assembly.
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 view of the cover plate assembly after assembly and bending of the claw portion;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of the negative electrode post terminal before the claw portion is bent;
FIG. 4 is a schematic view of the structure of the lower insulator;
fig. 5 is an exploded view of the cover plate assembly.
Icon: 10-a cover plate assembly; 100-a cover plate; 101-liquid injection hole; 103-explosion-proof valve structure; 104-a first pole hole; 105-second pole post holes; 110-negative pole post terminal; 111-pole body; 1111-limiting part; 1113-insert; 113-a bending section; 1131-claw part; 120-positive pole terminal; 130-a lower insulator; 131-a limiting groove; 133-a first insulating hole; 134-a second insulating hole; 135-a first insulating boss; 137-a second insulating boss; 140-an upper insulator; 150-a first seal ring; 160-a resistive member; 170-second seal ring.
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 present application, the terms "upper", "lower", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally used to place products of the application, and are used only for convenience in describing the present application and for simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present 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.
Examples
The embodiment of the application provides a power battery, which comprises a cover plate component 10.
Referring to fig. 1, the cover plate assembly 10 mainly includes a cover plate 100, a lower insulating member 130, two pole terminals and a sealing ring.
The cover plate 100 is made of metal, for example, and has a liquid injection hole 101 and an explosion-proof valve structure 103, and the lower insulating member 130 is attached to the lower surface of the cover plate 100 and is tightly attached to the lower surface of the cover plate 100. The two pole terminals have opposite electrical properties and are respectively disposed on the cover plate 100 and symmetrically arranged along the cover plate 100.
Referring to fig. 2 and fig. 3, at least one of the two post terminals includes a post body 111 and a bending portion 113 connected to each other. In this embodiment, each pole terminal includes the pole body 111 and the bent portion 113 connected to each other, and optionally, the pole body 111 and the bent portion 113 are integrally formed.
Specifically, in each pole terminal, the pole body 111 is located on a side of the cover plate 100 facing away from the lower insulating member 130, and the bent portion 113 is configured to be capable of being bent outward after sequentially passing through the cover plate 100 and the lower insulating member 130 and tightly pressed on a side of the lower insulating member 130 facing away from the cover plate 100, so that the pole body 111 is fixed to the lower insulating member 130.
The projection shape of the pole body 111 on the horizontal plane may be a circle, a rectangle, an ellipse, or the like, and is not limited herein.
Specifically, referring to fig. 4, the pole body 111 includes a limiting portion 1111 and an inserting portion 1113 connected to each other in a T shape, wherein a cross-sectional area of the limiting portion 1111 is larger than a cross-sectional area of the inserting portion 1113, the inserting portion 1113 is used for inserting the cover plate 100, and the bending portion 113 is disposed at an end of the inserting portion 1113 departing from the limiting portion 1111. Alternatively, the stopper portion 1111 and the insertion portion 1113 are integrally formed.
The bending portion 113 includes at least two claws 1131, for example, the bending portion 113 includes two, three, four or five claws 1131, the arrangement of the at least two claws 1131 can ensure that the pole body 111 is stably assembled on the lower insulating member 130, and the arrangement of the claws 1131 facilitates the subsequent bending under the action of external force, and reduces the weight. The at least two claw portions 1131 are arranged at equal or unequal intervals in the circumferential direction of the insertion portion 1113.
It should be noted that the number of the claw portions 1131 of the two pole terminals may be the same or different, and in this embodiment, each bending portion 113 includes four claw portions 1131, and the four claw portions 1131 are arranged at equal intervals along the circumferential direction of the insertion portion 1113.
In order to further improve the stability of the connection after assembly and prevent displacement, optionally, referring to fig. 4, a side of the lower insulating member 130 away from the cover plate 100 is provided with limiting grooves 131 corresponding to the claws 1131 one by one.
For convenience of description, the two post terminals are separately described as the negative post terminal 110 and the positive post terminal 120, wherein both the negative post terminal 110 and the positive post terminal 120 can be assembled with the cap plate 100 in an insulating manner.
In this embodiment, the negative electrode terminal 110 and the cover plate 100 are assembled in an insulating manner, and the positive electrode terminal 120 is electrically connected to the cover plate 100.
Referring to fig. 5, the cover plate 100 is provided with a first post hole 104 engaged with the negative post terminal 110 and a second post hole 105 engaged with the positive post terminal 120. The lower insulator 130 is provided with a first insulation hole 133 fitted with the negative electrode post terminal 110, and a second insulation hole 134 fitted with the positive electrode post terminal 120.
Referring to fig. 3 and 5, the size of the insertion portion 1113 of the negative pole post terminal 110 is smaller than the size of the first pole post hole 104, and the size of the insertion portion 1113 of the positive pole post terminal 120 is smaller than the size of the second pole post hole 105, so as to ensure that the insertion portion 1113 of the negative pole post terminal 110 is smoothly inserted into the first pole post hole 104, and the insertion portion 1113 of the positive pole post terminal 120 is smoothly inserted into the second pole post hole 105, and is isolated from the cover plate and does not contact with the cover plate.
Specifically, the cap plate assembly 10 includes an upper insulator 140 fitted with the negative electrode post terminal 110, and a resistance member 160 fitted with the positive electrode post terminal 120.
The upper insulator 140 is made of insulating plastic, such as PPS injection molding.
The upper insulating member 140 is assembled between the negative pole post terminal 110 and the first pole post hole 104, so that the limiting portion 1111 of the negative pole post terminal 110 is connected to the upper insulating member 140, for example, welded, and the inserting portion 1113 of the negative pole post terminal 110 is inserted into the first pole post hole 104 and has a gap with the first pole post hole 104, so that the negative pole post terminal 110 is electrically isolated from the cover plate 100 through the upper insulating member 140.
In order to further improve the sealing effect, the sealing ring includes a first sealing ring 150 for being engaged with the negative electrode post terminal 110, wherein the first sealing ring 150 is disposed through the upper insulating member 140, and the first sealing member is assembled between the negative electrode post terminal 110 and the first electrode post hole 104 and seals the negative electrode post terminal 110 and the cover plate 100, so as to prevent liquid leakage.
The negative electrode post terminal 110 is made of copper-aluminum composite (welded or bonded and electrically connected), specifically, the bending portion 113 is made of aluminum to facilitate subsequent bending, the post body 111 is made of copper, or the limiting portion 1111 of the post body 111 is made of a copper layer, and the insertion portion 1113 is made of aluminum.
Under the above-described setting conditions, the stopper groove 131 corresponding to the negative electrode post terminal 110 is disposed on the lower surface of the lower insulator 130 in the circumferential direction of the first insulation hole 133.
The resistance of the resistor 160 is 0.01m Ω -20000 Ω, and the resistor is a stainless steel sheet or a conductive plastic sheet. Because the casing potential can all be influenced by electrolyte, the outer diaphragm damage of electric core, the incomplete utmost point ear rubber coating that remain on power battery's casing surface, in order to avoid the emergence of corruption, need reduce the voltage between anodal utmost point post terminal 120 and casing, guarantee through resistive component 160 that anodal utmost point post terminal 120 is weak to switch on through apron 100 and casing, negative pole utmost point post terminal 110 is insulating with apron 100, can effectively avoid power battery to take place to corrode.
The resistance member 160 is assembled between the positive electrode post terminal 120 and the second electrode post hole 105, so that the limiting portion 1111 of the positive electrode post terminal 120 is connected to the resistance member 160, for example, by welding, the positive electrode post terminal 120 insertion portion 1113 is inserted into the second electrode post hole 105 with a gap between the positive electrode post terminal and the second electrode post hole 105, and the positive electrode post terminal 120 is electrically connected to the cover plate 100 by the arrangement of the resistance member 160.
In order to further improve the sealing effect, optionally, the sealing ring includes a second sealing ring 170 for cooperating with the positive electrode post terminal 120, wherein the second sealing ring 170 is disposed through the resistance member 160, and the second sealing member is assembled between the positive electrode post terminal 120 and the second electrode post hole 105 and seals the positive electrode post terminal 120 and the cover plate 100 to prevent liquid leakage.
Under the above-described setting conditions, the stopper groove 131 corresponding to the positive electrode post terminal 120 is arranged on the lower surface of the lower insulator 130 in the circumferential direction of the second insulation hole 134.
The positive electrode terminal 120 is made of aluminum.
In order to ensure the sealing effect, the first sealing ring 150 and the second sealing ring 170 are both elastic members, and specifically, for example, the first sealing ring 150 and the second sealing ring 170 are made of rubber. That is, the first sealing ring 150 and the second sealing ring 170 can be compressed, so as to ensure that the first sealing ring 150 and the second sealing ring 170 can be disposed between the corresponding pole terminal and the corresponding first pole hole 104 or second pole hole 105 in an interference manner, specifically, for example, the first sealing ring 150 and the second sealing ring 170.
Specifically, the compression amount of the first seal ring 150 and the compression amount of the second seal ring 170 are respectively 10% to 50%, and optionally, the compression amount of the first seal ring 150 and the compression amount of the second seal ring 170 are respectively 20% to 40%. By utilizing the compressible performance, the interference arrangement at the target position can be ensured, and the sealing performance is ensured.
It should be noted that, although the bending portion 113 is bent outward after passing through the cover plate 100 and the lower insulating member 130 and is tightly pressed on the side of the lower insulating member 130 away from the cover plate 100, so that the pole post body 111 is fixed to the lower insulating member 130, the movement of the cover plate 100 can be limited by the cooperation of the limiting portion 1111 and the lower insulating member 130. However, in order to further ensure the stability of the connection between the cover plate 100 and the lower insulating member 130 and prevent the post terminal from being assembled stably due to the movement of the cover plate 100, referring to fig. 5, the cover plate 100 is optionally engaged with the lower insulating member 130.
Specifically, the upper surface of the lower insulator 130 is provided with a first insulation boss 135 and a second insulation boss 137, and the lower surface of the cap plate 100 is provided with a first fixing groove (not shown) engaged with the first insulation boss 135 and a second fixing groove (not shown) engaged with the second insulation boss 137. The cover plate 100 is clamped with the lower insulator 130 by the above-mentioned cooperation.
In order to reduce the processing difficulty, the first insulation hole 133 is opened in the first insulation boss 135, the first pole hole 104 is opened in the bottom wall of the first fixing groove, the second insulation hole 134 is opened in the second insulation boss 137, and the second pole hole 105 is opened in the bottom wall of the second fixing groove.
The cover plate assembly 10 assembly process includes:
first, referring to fig. 3, after the bent portion 113 of the negative electrode post terminal 110 sequentially passes through the first sealing ring 150, the upper insulating member 140, the first electrode post hole 104, and the first insulating hole 133, the limiting portion 1111 of the negative electrode post terminal 110 is connected to and limits the upper insulating member 140, the insertion portion 1113 of the negative electrode post terminal 110 tightly abuts against the inner wall of the first electrode post hole 104 through the first sealing ring 150, the cover plate 100 is clamped and tightly attached to the lower insulating member 130, and then, referring to fig. 1, the bent portion 113 of the negative electrode post terminal 110 is bent into the corresponding limiting groove 131 under the action of external force.
Then, after the bent portion of the positive electrode post terminal 120 sequentially passes through the second sealing ring 170, the resistance member 160, the second electrode post hole 105, and the second insulation hole 134, the limiting portion 1111 of the positive electrode post terminal 120 is connected to the resistance member 160 for limiting, the insertion portion 1113 of the positive electrode post terminal 120 tightly abuts against the inner wall of the second electrode post hole 105 through the second sealing ring 170, and the bent portion 113 of the positive electrode post terminal 120 is bent into the corresponding limiting groove 131 by an external force.
To sum up, the apron subassembly that this application embodiment provided only needs pass apron and lower insulating part in proper order with the kink at the in-process of assembly, then outwards buckles the kink, effectively is fixed in insulating part down with utmost point post body, does not need extra welding operation, effectively simplifies the assembly procedure. Compared with the cover plate assembly adopted by the existing injection molding structure, welding and injection molding structure and the like, the structure and the processing technology of the cover plate assembly are effectively simplified, and the cost and the weight of the cover plate assembly are further reduced. When the battery pack is applied to a power battery, the assembly efficiency can be improved, and the production cost can be reduced.
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. A cover plate assembly is characterized by comprising a lower insulating part, a cover plate and two pole terminals respectively arranged on the cover plate;
the terminal comprises a cover plate, a lower insulating part and at least one terminal post terminal, wherein the terminal post terminal comprises a terminal post body and a bent part which are connected with each other, the terminal post body is positioned on one side of the cover plate, which deviates from the lower insulating part, the bent part is constructed to be capable of sequentially penetrating through the cover plate and the lower insulating part, then bending outwards and tightly pressing and arranging one side of the lower insulating part, which deviates from the cover plate, so that the terminal post body is fixed on the lower insulating part.
2. The cover plate assembly of claim 1, wherein the bent portion comprises at least two claw portions arranged at intervals along a circumferential direction of the pole body.
3. The cover plate assembly according to claim 1, wherein the bent portion includes four claw portions arranged at equal intervals in a circumferential direction of the pole terminal.
4. The cover plate assembly according to claim 2 or 3, wherein one side of the lower insulating member facing away from the cover plate is provided with limiting grooves corresponding to the claw portions one to one.
5. The cover plate assembly according to claim 1, wherein the two post terminals are a negative post terminal and a positive post terminal, respectively, the negative post terminal is assembled with the cover plate in an insulating manner, and the positive post terminal is assembled with the cover plate in an electric connection manner.
6. The cover plate assembly of claim 5, wherein the cover plate is provided with a first post hole that mates with the negative post terminal;
the apron subassembly include with negative terminal post complex goes up the insulating part, go up the insulating part assembly in negative terminal post with between the first utmost point post hole, negative terminal post warp go up the insulating part with the apron electrical property is isolated.
7. The cover plate assembly of claim 6, wherein the cover plate is provided with a second post hole that mates with the positive post terminal;
the cover plate assembly comprises a resistance component matched with the positive pole post terminal, the resistance component is assembled between the positive pole post terminal and the second pole post hole, and the positive pole post terminal is electrically connected with the cover plate through the resistance component.
8. The cover plate assembly of claim 7, wherein the resistance value of the resistance member is 0.01m Ω -20000 Ω.
9. The cover plate assembly according to claim 7, comprising a first seal ring and a second seal ring, the first seal ring being assembled between the negative pole terminal and the first pole hole and sealing the negative pole terminal and the cover plate, the second seal ring being assembled between the positive pole terminal and the second pole hole and sealing the positive pole terminal and the cover plate.
10. A power cell comprising a cover plate assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120149338.9U CN214280082U (en) | 2021-01-20 | 2021-01-20 | Cover plate assembly and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120149338.9U CN214280082U (en) | 2021-01-20 | 2021-01-20 | Cover plate assembly and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214280082U true CN214280082U (en) | 2021-09-24 |
Family
ID=77763885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120149338.9U Active CN214280082U (en) | 2021-01-20 | 2021-01-20 | Cover plate assembly and power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214280082U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115513579A (en) * | 2022-10-21 | 2022-12-23 | 武汉中金泰富新能源科技有限公司 | Power battery cover plate and power battery |
| WO2023098096A1 (en) * | 2021-11-30 | 2023-06-08 | 蜂巢能源科技股份有限公司 | Cover plate assembly and battery having same |
| WO2023198220A1 (en) * | 2022-04-12 | 2023-10-19 | 浙江极氪智能科技有限公司 | Power battery cover plate and power battery |
| WO2024007447A1 (en) * | 2022-07-06 | 2024-01-11 | 宁德时代新能源科技股份有限公司 | End cap assembly, battery cell, battery and electric device |
-
2021
- 2021-01-20 CN CN202120149338.9U patent/CN214280082U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023098096A1 (en) * | 2021-11-30 | 2023-06-08 | 蜂巢能源科技股份有限公司 | Cover plate assembly and battery having same |
| WO2023198220A1 (en) * | 2022-04-12 | 2023-10-19 | 浙江极氪智能科技有限公司 | Power battery cover plate and power battery |
| WO2024007447A1 (en) * | 2022-07-06 | 2024-01-11 | 宁德时代新能源科技股份有限公司 | End cap assembly, battery cell, battery and electric device |
| CN115513579A (en) * | 2022-10-21 | 2022-12-23 | 武汉中金泰富新能源科技有限公司 | Power battery cover plate and power battery |
| CN115513579B (en) * | 2022-10-21 | 2023-12-01 | 武汉中金泰富新能源科技有限公司 | Power battery cover plate and power battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214280082U (en) | Cover plate assembly and power battery | |
| JP5539910B2 (en) | Secondary battery | |
| CN107026248B (en) | Power storage element, power storage device, and method for manufacturing power storage element | |
| JP6227857B2 (en) | Secondary battery | |
| JP2009009852A (en) | Battery module | |
| EP4290659A1 (en) | Battery and assembly process therefor | |
| EP2876720B1 (en) | Secondary battery | |
| CN111952514B (en) | Battery with a battery cell | |
| CN210379130U (en) | Button cell | |
| US20140147721A1 (en) | Battery module | |
| CN113725531B (en) | Top cover assembly of power battery, power battery and battery module | |
| CN212485429U (en) | Battery closing cap device | |
| CN215933704U (en) | Battery and battery pack | |
| CN217589174U (en) | Power battery top cover positive electrode structure and power battery top cover | |
| CN114628864B (en) | Battery, battery pack and vehicle | |
| US10297800B2 (en) | Battery housing and power storage device having a non-metallic terminal | |
| CN220042215U (en) | Steel shell cell and battery | |
| JP5452324B2 (en) | Prismatic secondary battery | |
| CN219801073U (en) | Cover plate and battery | |
| CN219937103U (en) | Secondary battery and electric equipment | |
| CN220456523U (en) | Button cell | |
| CN220774543U (en) | Battery top cap subassembly and battery | |
| CN220873769U (en) | Battery cell | |
| CN218215480U (en) | Laminated button battery with two-layer ruffle structure | |
| CN217086828U (en) | Battery and battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |