CN216015523U - Top cap subassembly and electric core of electric core - Google Patents
Top cap subassembly and electric core of electric core Download PDFInfo
- Publication number
- CN216015523U CN216015523U CN202121149756.4U CN202121149756U CN216015523U CN 216015523 U CN216015523 U CN 216015523U CN 202121149756 U CN202121149756 U CN 202121149756U CN 216015523 U CN216015523 U CN 216015523U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- pole
- metal cover
- mounting area
- metal
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a top cover assembly of a battery cell and the battery cell, wherein the top cover assembly comprises: the metal cover plate, the first cover plate, the second cover plate, the first pole column and the second pole column. The metal cover plate is provided with a first pole mounting area and a second pole mounting area, and the first cover plate and the second cover plate are arranged on the first side of the metal cover plate side by side. The first pole column sequentially penetrates through the first cover plate and the first pole column mounting area of the metal cover plate and is connected with the metal cover plate, and the second pole column sequentially penetrates through the second cover plate and the second pole column mounting area of the metal cover plate and is connected with the metal cover plate. The first cover plate is a conductive piece, and the second cover plate is an insulating piece. From this, set up the first apron that is located the metal cover below to electrically conductive, the second apron sets to the insulating part, can guarantee that the positive post of being connected with electric core has electric conductivity, has certain voltage, can have resistance when electric core short circuit, can anti electrochemical corrosion, and the safety of protection electric core avoids the damage of electric core.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a top cover assembly of a battery cell and the battery cell.
Background
In the related art, the first fixing member for fixing the positive post has conductivity, and the voltage at the positive post cannot be maintained, so that when the short circuit occurs in the electric leakage of the battery cell shell, the battery cell is easily damaged, the battery cell cannot be normally used, and the battery cell cannot be protected when the short circuit occurs in the battery cell, thereby increasing the use cost.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a cell and a cap assembly for a cell.
The cap assembly of the battery cell according to the embodiment of the first aspect of the utility model comprises: the metal cover plate, the first cover plate, the second cover plate, the first pole column and the second pole column. The metal cover plate is a conductive metal piece, the metal cover plate is provided with a first pole mounting area and a second pole mounting area, the first cover plate is opposite to the first pole mounting area, the first cover plate and the second cover plate are arranged on the first side of the metal cover plate side by side, and the second cover plate is opposite to the second pole mounting area. The first pole post sequentially penetrates through the first cover plate and a first pole post mounting area of the metal cover plate and is connected with the metal cover plate, the second pole post sequentially penetrates through the second cover plate and a second pole post mounting area of the metal cover plate and is connected with the metal cover plate, and one of the first pole post and the second pole post is a positive pole post, and the other one of the first pole post and the second pole post is a negative pole post. The first cover plate is a conductive piece, and the second cover plate is an insulating piece.
From this, set up the first apron that is located the metal cover below to electrically conductive, the second apron sets to the insulating part, can guarantee that the positive post of being connected with electric core has electric conductivity, has certain voltage, can have resistance when electric core short circuit, can anti electrochemical corrosion, and the safety of protection electric core avoids the damage of electric core.
In some embodiments, the first cover plate is made of a weak conductive material, and the resistance of the first cover plate is 2 Ω -10000 Ω.
In some embodiments, the operating voltage of the first pole is > 0.1V.
In some embodiments, the first cover plate is integrally injection-molded by using an insulating material mixed with a conductive material.
In some embodiments, the conductive material is at least one of silicon carbon and conductive ceramic.
In some embodiments, the top cap assembly further includes a first fixing member and a second fixing member, the first fixing member and the second fixing member are both insulating members, the first fixing member and the second fixing member are both located on the second side of the metal cover plate, the first fixing member is sleeved on the first pole post and fixes the first pole post to the metal cover plate, and the second fixing member is sleeved on the second pole post and fixes the second pole post to the metal cover plate.
In some embodiments, the first fixing member, the second fixing member, and the second cover plate are all plastic parts, and are fixed to the cover plate by injection molding.
In some embodiments, the top cover assembly is further provided with a liquid injection hole and an explosion-proof structure, the liquid injection hole is located between the first pole mounting area and the second pole mounting area, and the first cover plate is provided with a through hole opposite to the liquid injection hole and a ventilation channel opposite to the explosion-proof structure.
The battery cell according to the embodiment of the second aspect of the utility model comprises: shell, roll up core, any of the above-mentioned embodiments top cap subassembly, it locates to roll up the core in the shell, it has first utmost point ear, second utmost point ear to roll up the core, top cap subassembly installs the top of shell, first utmost point post passes through first apron will metal covering plate with first utmost point ear electricity is connected, second utmost point post with second utmost point ear is connected.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a cap assembly according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a three-dimensional split of a battery cell according to an embodiment of the present invention.
Reference numerals:
an electric core 100;
a header assembly 10;
a metal cover plate 11; a liquid injection hole 111; an explosion-proof structure 112; an explosion-proof valve 112 a; an explosion-proof patch 112 b; a first pole mounting region 113; a second pole mounting region 114; a first cover plate 12; through the holes 121; an air-permeable passage 122; a second cover plate 13; a first pole 14; a second pole piece 15; a first fixing member 16; a second fixing member 17; a washer 18;
a housing 20; a winding core 30; a first tab 31; a second tab 32; a cell insulation sheet 40;
a first direction a.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
The cap assembly 10 of the battery cell 100 and the battery cell 100 according to an embodiment of the present invention are described below with reference to fig. 1 to 2.
The cap assembly 10 of the battery cell 100 according to the embodiment of the first aspect of the present invention includes: the metal cover plate 11, the first cover plate 12, the second cover plate 13, the first pole post 14 and the second pole post 15. The metal cover plate 11 is a conductive metal member, the metal cover plate 11 has a first pole mounting area 113 and a second pole mounting area 114, the first cover plate 12 is opposite to the first pole mounting area 113, the first cover plate 12 and the second cover plate 13 are arranged on a first side of the metal cover plate 11 (a side below the metal cover plate 11) side by side, and the second cover plate 13 is opposite to the second pole mounting area 114. The first pole post 14 sequentially passes through the first cover plate 12 and the first pole post mounting area 113 of the metal cover plate 11 and is connected with the metal cover plate 11, the second pole post 15 sequentially passes through the second cover plate 13 and the second pole post mounting area 114 of the metal cover plate 11 and is connected with the metal cover plate 11, and one of the first pole post 14 and the second pole post 15 is a positive pole post and the other is a negative pole post. The first cover plate 12 is a conductive member, and the second cover plate 13 is an insulating member.
As shown in fig. 1, the top cap assembly 10 has two first pole mounting areas 113 and two second pole mounting areas 114 symmetrically distributed in the first direction a, the first pole mounting area 113 is used for mounting a positive pole, and the second pole mounting area 114 is used for mounting a negative pole. The first cover plate 12 and the second cover plate 13 are both located below the metal cover plate 11, and the first cover plate 12 and the second cover plate 13 can be combined into one cover plate which can be completely overlapped with the metal cover plate 11. The first pole 14 sequentially penetrates through the first cover plate 12 and the metal cover plate 11 below the first cover plate 12 and is tightly matched with the metal cover plate 11; the second pole piece 15 passes through the second cover plate 13 and the metal cover plate 11 in sequence below the second cover plate 13, and is tightly matched with the metal cover plate 11. The metal cover plate 11 is formed by stamping an aluminum plate, and an upper insulation sheet (not shown) made of Polycarbonate (PC) is further mounted on one side of the metal cover plate 11, which is away from the first cover plate 12 and the second cover plate 13, and is bonded to the metal cover plate 11.
From this, set up first apron 12 that is located metal cover plate 11 below to electrically conductive, second apron 13 sets up to the insulating part, can guarantee that the positive post of being connected with electric core 100 has electric conductivity, has certain voltage, can have resistance when electric core 100 short circuit, can anti electrochemical corrosion, the safety of protection electric core 100 avoids the damage of electric core 100.
Optionally, the first cover plate 12 is made of a weak conductive material, and the resistance of the first cover plate 12 is 2 Ω to 10000 Ω.
Therefore, if the first cover plate 12 made of a conductive material has a certain voltage, the current of the terminal post will not be led out due to an excessively strong conductive capability, which will affect the charging/discharging and using safety of the battery cell 100.
Specifically, the working voltage of the first pole 14 is > 0.1V. This makes it possible to better resist electrochemical corrosion, ensuring that a voltage is available which generates a protective resistance.
In some embodiments, the first cover plate 12 is formed by injection molding an insulating material mixed with a conductive material.
That is, the first cover 12 may be made by injection molding, since the position where the first cover 12 contacts the battery cell 100 has conductivity and the first cover 12 has insulation from the peripheral mounting region.
From this, through the first apron 12 of the integrative injection moulding preparation of insulating material that adopts to mix and to have electrically conductive material to when making first apron 12 have electric conductivity, can avoid leading to the electric leakage with peripheral metal contact, influence top cap subassembly 10's security, integrated into one piece makes the wholeness that has increased first apron 12 and electrically conductive homogeneity.
Optionally, the conductive material is at least one of silicon carbon and conductive ceramic. The silicon carbon has a small volume change in the charge and discharge processes, so that the silicon carbon has a good cycle stability, and in addition, the silicon carbon and the carbon have similar chemical properties, and can be tightly combined to show high specific capacity and long cycle life. And the conductive ceramic material is coated on the surface of the electrode or used as a conductive material, so that the electrode is corrosion-resistant and high-temperature-resistant. The surface of the first cover plate 12 has sufficient current density and stable resistivity, the conductive ceramic is tightly contacted with the surface of the pole, and the possibility of corrosion of the pole is reduced.
Therefore, the silicon carbon or the conductive ceramic is used as the conductive material of the first cover plate 12, so that the first cover plate 12 has higher chemical stability, the service life of the first cover plate 12 is prolonged, the replacement frequency is reduced, and the later maintenance and use cost is reduced.
Specifically, the top cover assembly 10 further includes a first fixing member 16 and a second fixing member 17, the first fixing member 16 and the second fixing member 17 are both insulating members, the first fixing member 16 and the second fixing member 17 are both located on a second side of the metal cover plate 11 (a side above the metal cover plate 11), the first fixing member 16 is sleeved on the first pole post 14 and fixes the first pole post 14 to the metal cover plate 11, and the second fixing member 17 is sleeved on the second pole post 15 and fixes the second pole post 15 to the metal cover plate 11.
As shown in fig. 1, the first fastener and the second fastener are respectively located in the first pole mounting area 113 and the second pole mounting area 114, and are located above the metal cover plate 11, and are matched with the protrusions of the two mounting areas. Taking the first pole post 14 as an example, the first pole post 14 needs to be installed by passing through the first cover 12, the metal cover 11, and the first fixing member 16 in sequence, and being fixed on the metal cover 11 by the first fixing member 16 located above the metal cover 11.
Therefore, the first fixing piece 16, the second fixing piece 17, the first cover plate 12 and the second cover plate 13 are respectively located on the upper side and the lower side of the metal cover plate 11, the two poles are fixed and installed through the two fasteners, and the installation firmness of the top cover assembly 10 is improved.
In addition, still be equipped with two packing rings 18 between metal covering plate 11 and first apron 12, second apron 13, packing ring 18 is located the installing zone and can be embedded in metal covering plate 11, when the mounting is fixed the utmost point post that passes metal covering plate 11, first apron 12, second apron 13, can increase the clamping dynamics between the apron, and seal the gap between utmost point post and the installing zone, increase top cap component 10's leakproofness, avoid overflowing of the inside electrolyte of electric core 100.
Further, the first fixing member 16, the second fixing member 17 and the second cover plate 13 are all plastic parts, and are all fixed to the cover plate through an injection molding manner. The injection molding mode has the advantages of simple and direct processing technology, high product precision, accurate size, good insulating property of the plastic part and certain elasticity.
Therefore, the fastener and the second cover plate 13 are made of plastic materials, so that good insulation performance can be guaranteed, the fastener and the second cover plate are not easy to damage, and the manufacturing cost is low.
In the embodiment shown in fig. 1 and 2, the top cover assembly 10 is further provided with a liquid injection hole 111 located between the first pole mounting area 113 and the second pole mounting area 114, and an explosion-proof structure 112, and the first cover plate 12 is provided with a through hole 121 opposite to the liquid injection hole 111, and a gas-permeable passage 122 opposite to the explosion-proof structure 112.
It should be noted that the explosion-proof structure 112 mainly includes an explosion-proof valve 112a and an explosion-proof patch 112b, and the explosion-proof patch 112b may be adhered to the surface of the explosion-proof valve 112a, that is, the edge of one side of the explosion-proof patch 112b close to the explosion-proof valve 112a is pre-coated with glue, and then the explosion-proof patch 112b is adhered to the explosion-proof valve 112 a. The explosion-proof structure 112 is installed in a mounting hole located in the middle of the metal cover plate 11, a ventilation channel 122 is further disposed on the first cover plate 12 corresponding to the mounting hole, so that air pressure inside the battery cell 100 can flow out of the ventilation channel 122, and the material of the explosion-proof patch 112b may be polyester resin.
Therefore, the electrolyte injection hole 111 is formed in the metal cover plate 11, so that electrolyte can be conveniently injected into the top cover assembly 10 from the outside, the service life of the battery cell 100 is prolonged, and the disassembly and the use frequency are avoided. The explosion-proof structure 112 may reduce the possibility of explosion inside the battery due to high pressure, increasing the safety of the battery cell 100 using the cap assembly 10.
The explosion-proof structure 112 is arranged because the battery may have a thermal runaway phenomenon during the use process, the thermal runaway is the most serious safety accident of the battery, the electric energy and the chemical energy stored in the battery are released in a large amount in a short time, so that the temperature in the battery can reach over 900 ℃, and meanwhile, a large amount of gas generated by the decomposition of the electrolyte and the active substance in the thermal runaway can cause the pressure in the battery to rise sharply, even cause the explosion of the battery. In order to ensure the safety of the battery, an explosion-proof valve 112a is usually designed on the battery housing 20, and can be destroyed in time when the pressure is too high, so as to release the pressure inside the battery and prevent the battery from exploding in thermal runaway.
The battery cell 100 according to the embodiment of the second aspect of the present invention includes: the cover assembly 10 comprises a housing 20, a winding core 30 and the cover assembly 10 according to any one of the above embodiments, the winding core 30 is disposed in the housing 20, the winding core 30 has a first tab 31 and a second tab 32, the cover assembly 10 is mounted on the top of the housing 20, the first pole 14 electrically connects the metal cover plate 11 with the first tab 31 through the first cover plate 12, and the second pole 15 is connected with the second tab 32.
As shown in fig. 2, the winding core 30 is installed inside the aluminum housing 20, one side of the winding core 30 close to the top cover assembly 10 is provided with a first tab 31 and a second tab 32 which are connected with the winding core 30, an anode adapter sheet and a cathode adapter sheet (not shown in the figure) are respectively arranged between the first tab 31 and the first cover plate 12 and between the second tab 32 and the second cover plate 13, the current inside the winding core 30 can be led out through the adapter sheet, the current sequentially passes through the tabs and the adapter sheet reaches the poles, so as to realize the charging and discharging of the battery, and ultrasonic welding can be adopted between the adapter sheet and the tabs.
Specifically, the winding core 30 is formed by laminating and winding a positive electrode sheet, a separator, and a negative electrode sheet, and the winding core 30 has a negative electrode tab and a positive electrode tab at its tip. Roll up core 30 and include two subcore bodies, the anodal utmost point ear of two subcore bodies passes through anodal switching piece and links to each other, and anodal switching piece is connected with anodal utmost point post electricity, and two negative pole utmost point ears that roll up core 30 pass through the negative pole switching piece to be connected, and the negative pole switching piece is connected with negative pole post electricity, still is equipped with transparent electric core insulating piece 40 between roll core 30 and the shell 20.
Therefore, the winding core 30 is located inside the casing 20, the top cover assembly 10 is mounted at the top of the casing 20 to form a sealed battery cell 100 structure, the first tab 31 and the second tab 32 are electrically connected with the first pole post 14 and the second pole post 15 through the adapter sheet, and charging and discharging of the battery cell 100 are realized. And because the first cover plate 12 has conductivity, the positive electrode of the battery cell 100 can be ensured to have a certain voltage, and the generated resistance can provide a resistance when the housing 20 of the battery cell 100 is short-circuited, so that the safety of the battery cell 100 is ensured.
In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A top cap assembly for a battery cell, comprising:
the metal cover plate is a conductive metal piece and is provided with a first pole mounting area and a second pole mounting area;
the first cover plate is opposite to the first pole mounting area;
the first cover plate and the second cover plate are arranged on the first side of the metal cover plate side by side, and the second cover plate is opposite to the second pole mounting area;
the first pole column sequentially penetrates through the first cover plate and the first pole column mounting area of the metal cover plate and is connected with the metal cover plate;
the second pole column sequentially penetrates through the second cover plate and the second pole column mounting area of the metal cover plate and is connected with the metal cover plate, one of the first pole column and the second pole column is a positive pole column, and the other one of the first pole column and the second pole column is a negative pole column;
the first cover plate is a conductive piece, and the second cover plate is an insulating piece.
2. The header assembly of claim 1, wherein the first cover plate is a weakly conductive material and has a resistance of 2 Ω -10000 Ω.
3. The header assembly of claim 1, wherein the first terminal post has an operating voltage > 0.1V.
4. The lid assembly of claim 1, wherein the first lid is integrally injection molded from an insulating material mixed with a conductive material.
5. The header assembly of claim 4, wherein the conductive material is one of silicon carbon, conductive ceramic.
6. The header assembly of any one of claims 1-5, further comprising a first securing member and a second securing member, the first securing member and the second securing member each being an insulating member, the first securing member and the second securing member each being located on a second side of the metal cover plate, the first securing member being disposed over the first pole post and securing the first pole post to the metal cover plate, the second securing member being disposed over the second pole post and securing the second pole post to the metal cover plate.
7. The assembly of claim 6, wherein the first fastener, the second fastener, and the second cover plate are plastic components that are all secured to the cover plate by injection molding.
8. The top cover assembly according to claim 6, further comprising a liquid injection hole and an explosion-proof structure between the first pole mounting area and the second pole mounting area, wherein the first cover plate is provided with a through hole opposite to the liquid injection hole and a ventilation channel opposite to the explosion-proof structure.
9. A battery cell, comprising:
a housing;
the winding core is arranged in the shell and provided with a first tab and a second tab;
the cap assembly of any one of claims 1-8, mounted on top of the housing, the first terminal post passing through the first cover plate, electrically connecting the metal cover plate with the first tab, the second terminal post connecting with the second tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149756.4U CN216015523U (en) | 2021-05-26 | 2021-05-26 | Top cap subassembly and electric core of electric core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149756.4U CN216015523U (en) | 2021-05-26 | 2021-05-26 | Top cap subassembly and electric core of electric core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216015523U true CN216015523U (en) | 2022-03-11 |
Family
ID=80585190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121149756.4U Active CN216015523U (en) | 2021-05-26 | 2021-05-26 | Top cap subassembly and electric core of electric core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216015523U (en) |
Cited By (2)
| 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 |
| WO2024164244A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electric device |
-
2021
- 2021-05-26 CN CN202121149756.4U patent/CN216015523U/en active Active
Cited By (2)
| 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 |
| WO2024164244A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electric device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100723668B1 (en) | Lithium ion batteries | |
| US8592066B2 (en) | Battery assembly | |
| US8748033B2 (en) | Battery pack exhibiting improved insulation performance and assembly productivity | |
| CN107706334B (en) | Soft package battery | |
| CN216015523U (en) | Top cap subassembly and electric core of electric core | |
| US20140139185A1 (en) | Rechargeable battery module | |
| US9660249B2 (en) | Rechargeable battery having a fuse | |
| KR101222397B1 (en) | Battery pack | |
| CN201084772Y (en) | A battery-bank connection and a battery pack including this connection | |
| CN212113760U (en) | Energy storage device | |
| CN212485426U (en) | Battery top cap and battery cell | |
| JP2011003523A (en) | Battery pack | |
| EP2654097A1 (en) | Rechargeable battery | |
| KR20130090957A (en) | Battery cell of novel embedded type structure | |
| WO2021036685A1 (en) | Battery cover and pole assembly structure and assembly method | |
| KR100599801B1 (en) | Secondary battery and secondary battery module | |
| CN219123347U (en) | Battery cover plate and lithium ion battery | |
| CN219180634U (en) | Power battery cover plate and battery | |
| CN218385456U (en) | Battery cover plate assembly and battery | |
| CN216054918U (en) | Battery cover plate assembly and battery | |
| CN214153033U (en) | Lithium battery short circuit thermal runaway prevention cover plate and power battery | |
| CN114883712A (en) | Battery cover, battery core, battery module and automobile | |
| CN210040381U (en) | Battery monomer, battery pack and battery pack | |
| KR20050018269A (en) | A Can Shape with Many Sets of Safety Vents in Rechargeable Batteries | |
| KR20120085540A (en) | Secondary battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 361115 Room 201-1, Comprehensive Building 5#, No. 11, Butang Middle Road, Xiamen Torch High-tech Zone (Tongxiang) Industrial Base, Xiamen City, Fujian Province Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |