CN218385456U - Battery cover plate assembly and battery - Google Patents
Battery cover plate assembly and battery Download PDFInfo
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- CN218385456U CN218385456U CN202222392491.1U CN202222392491U CN218385456U CN 218385456 U CN218385456 U CN 218385456U CN 202222392491 U CN202222392491 U CN 202222392491U CN 218385456 U CN218385456 U CN 218385456U
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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 cover plate subassembly and battery. The battery cover plate component comprises a pole column, an insulating sheet, conductive plastic and a top cover plate; the pole is used for being electrically connected with a pole ear of the battery cell; the insulating sheet and the conductive plastic are sequentially sleeved on the pole; the top cover plate is sleeved on the pole column, the conductive plastic is located between the top cover plate and the pole column in the radial direction of the pole column, and the insulating sheet is located between the top cover plate and the pole lug. Set up electrically conductive plastic between utmost point post and lamina tecti, can make lamina tecti and utmost point post electrically conduct weakly through electrically conductive plastic and be connected to guarantee the equipotential of lamina tecti and casing and be connected, prevent that the casing from corroding because of the potential reaction. Meanwhile, the conductive plastic is weak in conductivity, the currents on the top cover plate and the shell are small, short circuit between the anode and the cathode cannot be caused, and the safety of the battery is improved.
Description
Technical Field
The utility model relates to a battery technology field especially relates to battery cover plate subassembly and battery.
Background
With the development of modern society and the enhancement of environmental awareness of people, more and more devices select rechargeable secondary batteries as power sources, such as mobile phones, notebook computers, electric tools, electric vehicles, energy storage power stations and the like, which provides a wide space for the application and development of batteries, and therefore, the use safety of the batteries needs to be improved.
In the structure of the secondary battery, the case is an indispensable part of the secondary battery. However, the potential difference between the metal case and the positive electrode potential of the battery may cause a case corrosion problem. Currently, the casing and the positive pole are conducted through the casing metal to eliminate the potential difference. However, metal is adopted for direct conduction, and because the resistance of metal is generally in the milliohm level, when the battery is in short circuit, the loop current is very large, and potential safety hazards such as ignition and the like are easy to occur.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a battery cover plate assembly and a battery for solving the problem of potential difference of a secondary battery case.
A battery cover plate assembly comprising:
the pole column is used for being electrically connected with a pole lug of the battery cell;
the insulating sheet and the conductive plastic are sequentially sleeved on the pole column;
the lamina tecti, the lamina tecti cover is established on the utmost point post the footpath of utmost point post electrically conductive plastic is located the lamina tecti with between the utmost point post, the insulating piece is located the lamina tecti with between the utmost point ear.
The battery cover plate component comprises a pole column and a top cover plate, wherein the pole column is electrically connected with a pole lug of a battery cell, so that the battery cell is charged and discharged through the pole column, and the top cover plate is sleeved on the pole column, is connected with the shell and is used for sealing an opening of the shell and sealing the battery cell and electrolyte in the shell. Because the top cover plate is connected with the shell and is arranged opposite to the pole lug of the battery core, the insulating sheet is arranged between the top cover plate and the pole lug, the top cover plate is prevented from contacting with the pole lug to cause electric leakage, and meanwhile, the connection efficiency of the pole column and the pole lug is improved. Conductive plastics are generally made by adding conductive material into plastics, so that the plastics have weak conductivity. Set up electrically conductive plastic between utmost point post and lamina tecti, can make lamina tecti and utmost point post electrically conductively connected weak through electrically conductive plastic to guarantee the equipotential of lamina tecti and casing and be connected, prevent that the casing from corroding because of the potential reaction. Meanwhile, the conductive plastic is weak in conductivity, the currents on the top cover plate and the shell are small, short circuit between the anode and the cathode cannot be caused, and the safety of the battery is improved.
In one embodiment, be equipped with first spacing portion and second spacing portion on the lateral wall of utmost point post, first spacing portion with the spacing portion of second is all followed the circumference setting of utmost point post in the axial of utmost point post first spacing portion with the spacing portion interval of second sets up, makes first spacing portion with form first recess between the spacing portion of second, the insulating piece with electrically conductive plastic overlaps in proper order and establishes on the first recess.
In one embodiment, the insulation sheet includes a first insulation portion and a second insulation portion connected to each other, the first insulation portion is located between the top cover plate and the second limiting portion, and the second insulation portion is located between the top cover plate and the tab.
In one embodiment, a side surface of the top cover plate facing the insulation sheet is provided with a protrusion, and a side surface of the second insulation portion facing the top cover plate is provided with a second groove for accommodating the protrusion.
In one embodiment, the conductive plastic includes a first conductive portion and a second conductive portion that are vertically connected to each other, the first conductive portion is located between the bottom wall of the first groove and the top cover plate, and the second conductive portion is located between the first limiting portion and the top cover plate.
In one embodiment, the battery cover plate assembly further includes a fixing plate, and the fixing plate is sleeved on the first groove and located between the first limiting portion and the second conductive portion.
In one embodiment, the battery cover plate assembly further comprises a sealing ring, the sealing ring is sleeved on the pole column, and the sealing ring is located between the pole column and the insulating sheet in the radial direction of the pole column.
In one embodiment, the top cover plate is provided with an explosion-proof valve;
and/or a liquid injection hole is formed in the top cover plate.
In one embodiment, the battery cover plate assembly further comprises a bracket, the bracket is connected with the insulating sheet, and the bracket is used for abutting against the battery core.
The battery comprises a battery core, a shell and a battery cover plate assembly, wherein a containing cavity is formed in the shell, the battery core is located in the containing cavity, an opening communicated with the outside is formed in the containing cavity, the battery cover plate assembly is connected with the shell and used for sealing the opening, and a pole of the battery cover plate assembly is electrically connected with a pole lug of the battery core.
The battery cover plate component comprises a pole column and a top cover plate, wherein the pole column is electrically connected with a pole lug of the battery core, so that the battery core is charged and discharged through the pole column, and the top cover plate is sleeved on the pole column, is connected with the shell and is used for sealing an opening of the shell and sealing the battery core and the electrolyte in the shell. Because the top cover plate is connected with the shell and is arranged opposite to the pole lug of the battery core, the insulating sheet is arranged between the top cover plate and the pole lug, the top cover plate is prevented from contacting with the pole lug to cause electric leakage, and meanwhile, the connection efficiency of the pole column and the pole lug is improved. Conductive plastics are generally made by adding conductive material into plastics, so that the plastics have weak conductivity. Set up electrically conductive plastic between utmost point post and lamina tecti, can make lamina tecti and utmost point post electrically conduct weakly through electrically conductive plastic and be connected to guarantee the equipotential of lamina tecti and casing and be connected, prevent that the casing from corroding because of the potential reaction. Meanwhile, the conductive plastic is weak in conductivity, the currents on the top cover plate and the shell are small, short circuit between the anode and the cathode cannot be caused, and the safety of the battery is improved.
Drawings
FIG. 1 is a perspective view of a battery at an angle according to one embodiment;
FIG. 2 is a perspective view of a battery at another angle in one embodiment;
FIG. 3 is an exploded view of a battery in one embodiment;
FIG. 4 is a front view of a battery cover plate assembly in one embodiment;
FIG. 5 is an exploded view of a battery cover plate assembly according to one embodiment;
FIG. 6 is a schematic diagram of a battery cover plate assembly according to an embodiment;
FIG. 7 is a cross-sectional view of a battery cover plate assembly in one embodiment;
FIG. 8 is an enlarged view of a portion of a battery cover plate assembly according to an embodiment.
Reference numerals: 100. a battery cover plate assembly; 10. a pole column; 11. a positive post; 12. a negative pole post; 13. a first limiting part; 14. a second limiting part; 20. conducting plastic; 21. a first conductive portion; 22. a second conductive portion; 30. an insulating sheet; 31. a first insulating portion; 32. a second insulating section; 33. a first clamping part; 34. a second buckling part; 40. a top cover plate; 41. an explosion-proof valve; 411. a protective sheet; 42. a liquid injection hole; 43. a boss portion; 50. a seal ring; 60. a fixing sheet; 70. a support; 71. a first buckling part; 72. a second clamping part; 80. a housing; 81. an insulating film; 90. an electric core; 91. a tab; 200. a battery.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
The battery cover plate assembly 100 and the battery 200 in some embodiments will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 3, in an embodiment, a battery 200 is provided, which includes a battery core 90, a casing 80, and a battery cover plate assembly 100, wherein a receiving cavity is provided in the casing 80, the battery core 90 is located in the receiving cavity, the receiving cavity is provided with an opening communicating with the outside, the battery cover plate assembly 100 is connected to the casing 80 and is used for closing the opening, and a pole 10 of the battery cover plate assembly 100 is electrically connected to a pole ear 91 of the battery core 90.
In the battery 200, the battery cover plate assembly 100 includes the electrode post 10 and the top cover plate 40, wherein the electrode post 10 is electrically connected to the tab 91 of the battery cell 90, so that the battery cell 90 is charged and discharged through the electrode post 10, and the top cover plate 40 is sleeved on the electrode post 10, is connected to the casing 80, and is used for sealing the opening of the casing 80, and seals the battery cell 90 and the electrolyte in the casing 80. Because the top cover plate 40 is connected with the casing 80, and is arranged opposite to the tab 91 of the battery cell 90, the insulating sheet 30 is arranged between the top cover plate 40 and the tab 91, the top cover plate 40 is prevented from contacting with the tab 91 to cause electric leakage, and meanwhile, the connection efficiency of the pole 10 and the tab 91 is improved. The conductive plastic 20 is generally made by adding conductive material to the plastic, so that the plastic has weak conductivity. Set up electrically conductive plastic 20 between utmost point post 10 and top apron 40, can make top apron 40 and utmost point post 10 weak electrically conductive connection through electrically conductive plastic 20 to guarantee the equipotential of top apron 40 and casing 80 and be connected, prevent that casing 80 from corroding because of the potential reaction. Meanwhile, the conductive plastic 20 has weak conductivity, and the currents on the top cover plate 40 and the shell 80 are small, so that the short circuit between the positive electrode and the negative electrode cannot be caused, and the safety of the battery 200 is improved.
In this embodiment, the conductive plastic 20 can be replaced by conductive ceramic or silicon carbide, so long as the terminal post 10 and the top cover plate 40 are in weak electrical connection.
Specifically, as shown in fig. 3, in an embodiment, an insulating film 81 is disposed between the battery cell 90 and the casing 80, the tab 91 of the battery cell 90 passes through the insulating film 81 to abut against the pole 10, an electrolyte is disposed between the casing 80 and the insulating film 81, and a liquid passing hole is disposed on a bottom wall of the insulating film 81. The electrolyte can infiltrate the battery cell 90 through the liquid passing hole, and the insulating film 81 can prevent the battery cell 90 from directly contacting the casing 80 to cause electric leakage.
Further, a bottom support piece is provided between the bottom wall of the insulating film 81 and the case 80, and a protrusion is provided on the side surface of the bottom support piece facing the insulating film 81. The protrusion is used for supporting the battery cell 90, increasing the gap between the bottom supporting sheet and the battery cell 90, and improving the infiltration speed of the electrolyte at the bottom of the battery cell 90.
Further, as shown in fig. 1, fig. 2 and fig. 3, in an embodiment, the battery 200 includes two battery cover assemblies 100, the receiving cavity is provided with two oppositely disposed openings, the battery cover assemblies 100 are used for respectively closing the two openings, one battery cover assembly 100 is provided with the positive post 11, and the other battery cover assembly 100 is provided with the negative post 12. The battery cover plate assembly 100 in which the positive electrode column 11 is provided with an explosion-proof valve 41 and a liquid injection hole 42.
As shown in fig. 4 to 8, in one embodiment, a battery cover plate assembly 100 is provided, which includes a terminal post 10, an insulation sheet 30, a conductive plastic 20 and a top cover plate 40.
The pole 10 is used for being electrically connected with a tab 91 of the battery cell 90; the insulating sheet 30 and the conductive plastic 20 are sequentially sleeved on the pole 10; the top cover plate 40 is sleeved on the pole 10, the conductive plastic 20 is located between the top cover plate 40 and the pole 10 in the radial direction of the pole 10, and the insulation sheet 30 is located between the top cover plate 40 and the pole ear 91.
The battery cover plate assembly 100 includes a terminal post 10 and a top cover plate 40, wherein the terminal post 10 is electrically connected to a tab 91 of the battery cell 90, so that the battery cell 90 is charged and discharged through the terminal post 10, and the top cover plate 40 is sleeved on the terminal post 10, is connected to the casing 80, and is used for sealing an opening of the casing 80, and seals the battery cell 90 and the electrolyte in the casing 80. Because the top cover plate 40 is connected with the casing 80, and is arranged opposite to the tab 91 of the battery cell 90, the insulating sheet 30 is arranged between the top cover plate 40 and the tab 91, the top cover plate 40 is prevented from contacting with the tab 91 to cause electric leakage, and meanwhile, the connection efficiency of the pole 10 and the tab 91 is improved. The conductive plastic 20 is generally made by adding conductive material to the plastic, so that the plastic has weak conductivity. Set up electrically conductive plastic 20 between utmost point post 10 and top apron 40, can make top apron 40 and utmost point post 10 weak electrically conductive connection through electrically conductive plastic 20 to guarantee the equipotential of top apron 40 and casing 80 and be connected, prevent that casing 80 from corroding because of the potential reaction. Meanwhile, the conductive plastic 20 has weak conductivity, and the currents on the top cover plate 40 and the shell 80 are small, so that short circuit between the positive electrode and the negative electrode cannot be caused, and the safety of the battery 200 is improved. Specifically, as shown in fig. 5 and 8, in an embodiment, a first limiting portion 13 and a second limiting portion 14 are disposed on a side wall of the pole 10, the first limiting portion 13 and the second limiting portion 14 are both disposed along a circumferential direction of the pole 10, the first limiting portion 13 and the second limiting portion 14 are disposed at intervals in an axial direction of the pole 10, so that a first groove is formed between the first limiting portion 13 and the second limiting portion 14, and the insulating sheet 30 and the conductive plastic 20 are sequentially sleeved on the first groove. The first limiting portion 13 and the second limiting portion 14 are used for fixedly sleeving the conductive plastic 20, the insulating sheet 30 and the top cover plate 40 on the pole 10.
Specifically, as shown in fig. 7 and 8, in an embodiment, the insulation sheet 30 includes a first insulation portion 31 and a second insulation portion 32 connected to each other, the first insulation portion 31 is located between the top cover plate 40 and the second position limiting portion 14, and the second insulation portion 32 is located between the top cover plate 40 and the tab 91. The first insulating portion 31 is used for isolating the top cover plate 40 from the second limiting portion 14, and the second insulating portion 32 is used for isolating the top cover plate 40 from the tab 91, so that the top cover plate 40 is prevented from being electrified in a contact manner.
Specifically, as shown in fig. 7 and 8, in one embodiment, the side of the top cover plate 40 facing the insulation sheet 30 is provided with a protrusion 43, and the side of the second insulation part 32 facing the top cover plate 40 is provided with a second groove for accommodating the protrusion 43. The protrusion 43 increases the thickness of the top cover plate 40, which is beneficial to improving the strength of the top cover plate 40 and improving the reliability of the battery cover plate assembly 100. And the second groove is used for accommodating the protrusion 43, which is beneficial to reducing the overall thickness of the battery cover plate assembly 100.
Specifically, as shown in fig. 7 and 8, in an embodiment, the conductive plastic 20 includes a first conductive portion 21 and a second conductive portion 22 that are vertically connected to each other, the first conductive portion 21 is located between the bottom wall of the first groove and the top cover plate 40, and the second conductive portion 22 is located between the first position-limiting portion 13 and the top cover plate 40. The first conductive part 21 is used for isolating the side wall of the pole 10 from the top cover plate 40, and the second conductive part 22 is used for isolating the first limiting part 13 from the top cover plate 40, so that the top cover plate 40 is prevented from being in direct contact with the pole 10 to cause electric leakage.
Specifically, as shown in fig. 5 and 8, in an embodiment, the battery cover plate assembly 100 further includes a fixing plate 60, and the fixing plate 60 is disposed on the first groove and located between the first position-limiting portion 13 and the second conductive portion 22. The fixing piece 60 is matched with the first limiting part 13 and the second limiting part 14, so that the conductive plastic 20, the insulating sheet 30 and the top cover plate 40 are prevented from moving in the axial direction of the pole 10, the structure is simple, and the reliability is high.
In the present embodiment, the fixing piece 60 is a stainless fixing piece 60.
Specifically, as shown in fig. 5 and 8, in an embodiment, the battery cover plate assembly 100 further includes a sealing ring 50, the sealing ring 50 is sleeved on the pole post 10, and the sealing ring 50 is located between the pole post 10 and the insulating sheet 30 in a radial direction of the pole post 10. The sealing ring 50 is used to ensure the sealing performance of the connection between the pole post 10 and the top cover plate 40.
Specifically, as shown in fig. 4 and 5, in one embodiment, the top cover plate 40 is provided with an explosion-proof valve 41. The explosion-proof valve 41 is provided with a protection sheet 411. The explosion-proof valve 41 is used for releasing gas generated in the case 80, preventing the gas pressure in the case 80 from being excessively high to ensure, and improving the safety of the battery 200 in the use process.
Specifically, as shown in fig. 4 and 5, in one embodiment, the top cover plate 40 is provided with a liquid injection hole 42. The liquid injection hole 42 is communicated with the accommodating cavity of the shell 80 and used for injecting electrolyte into the accommodating cavity, and the liquid injection hole 42 is sealed by a sealing nail after the battery 200 is injected with the electrolyte.
Specifically, as shown in fig. 3 and fig. 6, in an embodiment, the battery cover plate assembly 100 further includes a bracket 70, the bracket 70 is connected to the insulation sheet 30, and the bracket 70 is used for abutting against the battery core 90. One side of the support 70 is connected with the casing 80 through the insulating sheet 30 and the top cover plate 40, so that the support 70 is fixed on the casing 80, and the other side of the support 70 is abutted against the battery cell 90, so as to limit the battery cell 90 to move in the casing 80 along the direction perpendicular to the battery cover plate assembly 100, ensure the reliability of connection between the tab 91 and the pole 10, prevent the battery cell 90 from exploding due to impact, and further improve the safety of the battery 200.
In this embodiment, a first clamping portion 33 and a second fastening portion 34 are disposed on a side surface of the insulating sheet 30 facing the bracket 70, a second clamping portion 72 and a first fastening portion 71 are disposed on the bracket 70, the first clamping portion 33 is in fit clamping with the first fastening portion 71, and the second clamping portion 72 is in fit clamping with the second fastening portion 34.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A battery cover plate assembly, comprising:
the pole column is used for being electrically connected with a pole lug of the battery cell;
the insulating sheet and the conductive plastic are sequentially sleeved on the pole column;
the top cover board, the top cover board cover is established on utmost point post the footpath of utmost point post electrically conductive plastic is located the top cover board with between the utmost point post, the insulating piece is located the top cover board with between the utmost point ear.
2. The battery cover plate assembly of claim 1, wherein a first limiting portion and a second limiting portion are arranged on the side wall of the pole, the first limiting portion and the second limiting portion are arranged along the circumferential direction of the pole, and the first limiting portion and the second limiting portion are arranged at intervals in the axial direction of the pole, so that a first groove is formed between the first limiting portion and the second limiting portion, and the insulating sheet and the conductive plastic are sequentially sleeved on the first groove.
3. The battery cover plate assembly of claim 2, wherein the insulation sheet includes a first insulation portion and a second insulation portion connected to each other, the first insulation portion being located between the top cover plate and the second limiting portion, the second insulation portion being located between the top cover plate and the tab.
4. The battery cover plate assembly of claim 3, wherein the top cover plate has a protrusion on a side facing the insulation sheet, and the second insulation portion has a second groove on a side facing the top cover plate for receiving the protrusion.
5. The battery cover plate assembly of claim 2, wherein the conductive plastic comprises a first conductive portion and a second conductive portion that are vertically connected to each other, the first conductive portion is located between the bottom wall of the first groove and the top cover plate, and the second conductive portion is located between the first limiting portion and the top cover plate.
6. The battery cover plate assembly of claim 5, further comprising a fixing plate sleeved on the first groove and located between the first limiting portion and the second conductive portion.
7. The battery cover plate assembly of claim 1, further comprising a sealing ring sleeved on the pole, wherein the sealing ring is located between the pole and the insulating sheet in a radial direction of the pole.
8. The battery cover plate assembly of claim 1, wherein an explosion-proof valve is provided on the top cover plate;
and/or a liquid injection hole is formed in the top cover plate.
9. The battery cover plate assembly of claim 1, further comprising a bracket connected to the insulating sheet, the bracket configured to abut against the battery cell.
10. A battery, comprising an electric core, a casing and the battery cover assembly of any one of claims 1 to 9, wherein a containing cavity is provided in the casing, the electric core is located in the containing cavity, the containing cavity is provided with an opening communicating with the outside, the battery cover assembly is connected to the casing and used for closing the opening, and a pole of the battery cover assembly is electrically connected to a pole ear of the electric core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392491.1U CN218385456U (en) | 2022-09-08 | 2022-09-08 | Battery cover plate assembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392491.1U CN218385456U (en) | 2022-09-08 | 2022-09-08 | Battery cover plate assembly and battery |
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| Publication Number | Publication Date |
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| CN218385456U true CN218385456U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222392491.1U Active CN218385456U (en) | 2022-09-08 | 2022-09-08 | Battery cover plate assembly and battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863863A (en) * | 2023-02-09 | 2023-03-28 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
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2022
- 2022-09-08 CN CN202222392491.1U patent/CN218385456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863863A (en) * | 2023-02-09 | 2023-03-28 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
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