CN115566334A - Battery and cover plate assembly - Google Patents
Battery and cover plate assembly Download PDFInfo
- Publication number
- CN115566334A CN115566334A CN202211379728.0A CN202211379728A CN115566334A CN 115566334 A CN115566334 A CN 115566334A CN 202211379728 A CN202211379728 A CN 202211379728A CN 115566334 A CN115566334 A CN 115566334A
- Authority
- CN
- China
- Prior art keywords
- hole
- column
- cover plate
- insulating
- insulating adhesive
- 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.)
- Pending
Links
- 239000000853 adhesive Substances 0.000 claims abstract description 58
- 230000001070 adhesive effect Effects 0.000 claims abstract description 58
- 238000007731 hot pressing Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 210000003734 kidney Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012212 insulator Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application discloses a battery and a cover plate assembly, wherein the battery comprises a shell, a cover plate assembly and an insulating adhesive sheet; the shell comprises a top plate, and a first through hole is formed in the top plate; the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging turned outwards at the edge of the top end of the column main body, the column main body extends into the first through hole, a mounting through hole is formed in the pole column, and an explosion-proof valve is arranged in the mounting through hole; the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flange, wherein the top edge of the insulating adhesive cylinder is turned outwards; the inner side and the outer side of the insulating bonding cylinder body are respectively subjected to hot-pressing bonding on the outer side wall of the cylinder body and the side wall of the first through hole, and the upper side face and the lower side face of the insulating bonding flanging are respectively subjected to hot-pressing bonding on the flanging of the cylinder body and the outer side of the top plate. This application need not to increase in addition the rubber circle and seals, and the structure is comparatively simple, and explosion-proof valve plays the safety protection effect.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery and a cover plate assembly.
Background
An explosion-proof valve is usually designed on the top cover of the battery to release air to prevent the battery from exploding. However, the conventional battery is often sealed by a rubber ring, and the structure is complex.
Disclosure of Invention
This application aims at solving one of above-mentioned technical problem at least, through providing a battery and apron subassembly, can need not have the rubber circle to seal, and the structure is comparatively simple.
One aspect of the present application provides a battery including a case, a cap plate assembly, and an insulating adhesive sheet;
the shell comprises a top plate, and a first through hole is formed in the top plate;
the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging which is turned outwards at the edge of the top end of the column main body, the column main body extends into the first through hole, a mounting through hole is formed in the pole column, an explosion-proof valve is arranged in the mounting through hole, and the explosion-proof valve seals the mounting through hole;
the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flange, wherein the top edge of the insulating adhesive cylinder is turned outwards;
the inner side and the outer side of the insulating bonding cylinder body are respectively bonded with the outer side wall of the column main body and the side wall of the first through hole in a hot-pressing mode, and the upper side face and the lower side face of the insulating bonding flanging are respectively bonded with the column flanging and the outer side of the top plate in a hot-pressing mode.
Optionally, the apron subassembly still includes insulator ring and apron confluence piece, the both sides surface of insulator ring respectively in the side of roof medial surface and apron confluence piece, be equipped with the second through-hole on the insulator ring and center on a plurality of first limit holes of second through-hole, the apron confluence piece includes the third through-hole and centers on a plurality of second limit holes of third through-hole, the post main part stretches into in proper order first through-hole the second through-hole and the third through-hole, the post main part with apron confluence piece nested connection.
Optionally, the second side hole is a waist-shaped hole.
Optionally, the explosion-proof valve is welded on the column main body, and the explosion-proof valve is depressurized when the pressure inside the casing reaches a preset value.
Optionally, the material of the pole is aluminum.
Optionally, the housing includes a bottom piece disposed opposite the top plate.
Optionally, the bottom plate is a positive plate, and the cover plate is a negative plate.
Optionally, the bottom plate is a negative bus bar, and the cover plate is a positive bus bar.
The cover plate assembly comprises a top plate, a first through hole is formed in the top plate, the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging turned outwards at the top end edge of the column main body, the column main body extends into the first through hole, a mounting through hole is formed in the pole column, an explosion-proof valve is arranged in the mounting through hole, and the mounting through hole is sealed by the explosion-proof valve; the cover plate assembly is provided with an insulating adhesive sheet, the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flange, the top edge of the insulating adhesive cylinder is turned outwards, and the insulating adhesive sheet is used for sealing and insulating the shell and the pole; the inner side and the outer side of the insulating bonding cylinder body are respectively bonded with the outer side wall of the column main body and the side wall of the first through hole in a hot-pressing mode, and the upper side face and the lower side face of the insulating bonding flanging are respectively bonded with the column flanging and the outer side of the top plate in a hot-pressing mode.
Optionally, the apron subassembly still includes insulator ring and apron confluence piece, the both sides surface of insulator ring respectively in the side of roof medial surface and apron confluence piece, be equipped with the second through-hole on the insulator ring and center on a plurality of first limit holes of second through-hole, the apron confluence piece includes the third through-hole and centers on a plurality of second limit holes of third through-hole, the post main part stretches into in proper order first through-hole the second through-hole and the third through-hole, the post main part with apron confluence piece nested connection.
In the battery of the present application, the battery includes a case, a cap plate assembly, and an insulating adhesive sheet; the shell comprises a top plate, and a first through hole is formed in the top plate; the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging turned outwards at the edge of the top end of the column main body, the column main body extends into the first through hole, the pole column is provided with a mounting through hole, an explosion-proof valve is arranged in the mounting through hole, and the explosion-proof valve seals the mounting through hole; the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flange, wherein the top edge of the insulating adhesive cylinder is turned outwards; the inner side and the outer side of the insulating bonding cylinder body are respectively subjected to hot-pressing bonding on the outer side wall of the cylinder body and the side wall of the first through hole, and the upper side face and the lower side face of the insulating bonding flanging are respectively subjected to hot-pressing bonding on the flanging of the cylinder body and the outer side of the top plate. This application forms insulating bonding sheet through insulating bonding barrel and insulating bonding turn-ups integrated into one piece to through the hot-pressing bonding, make insulating bonding sheet not only play insulating effect, still have sealed battery effect, thereby need not to increase in addition that the rubber circle seals, the structure is comparatively simple, and explosion-proof valve plays the safety protection effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a battery provided in the present application;
fig. 2 is an exploded view of an embodiment of a battery according to the present disclosure;
fig. 3 is a schematic cross-sectional view of an embodiment of a battery provided in the present application;
fig. 4 is a schematic diagram of an internal structure of an embodiment of a battery according to the present disclosure.
Detailed Description
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 only a part of the embodiments of the present application, and not all of the embodiments. 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.
In the description of the present application, 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", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. 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 one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an embodiment of a battery provided in the present application; fig. 2 is an exploded view of an embodiment of a battery according to the present disclosure; fig. 3 is a schematic cross-sectional view of an embodiment of a battery provided in the present application; fig. 4 is a schematic diagram of an internal structure of an embodiment of a battery according to the present application.
In the present embodiment, the battery 10 includes a case 11, a cap plate assembly 12, and an insulating adhesive sheet 14. The housing 11 includes a top plate 111, and a first through hole 113 is opened on the top plate 111. The housing 11 is a cylindrical hollow housing. The first through hole 113 may be a circular hole or a hole having another shape. The housing 11 is used to house a winding core.
The cover plate assembly 12 comprises a pole 13, the pole 13 comprises a column main body 132 and a column flange 133 which is turned up outwards at the top edge of the column main body 132, the column main body 132 extends into the first through hole 113, an installation through hole 131 is formed in the pole 13, an explosion-proof valve 181 is arranged in the installation through hole 131, and the explosion-proof valve 181 is sealed in the installation through hole 131. The mounting through-hole 131 may serve as a liquid injection hole for injecting liquid.
The insulating adhesive sheet 14 includes an insulating adhesive cylinder 141 and an insulating adhesive flange 142, which is turned up outward from the top edge of the insulating adhesive cylinder, and the insulating adhesive sheet 14 is used to seal and insulate the housing 11 and the pole 13. The inner side and the outer side of the insulating bonding cylinder 141 are respectively bonded with the outer side wall of the column main body 132 and the side wall of the first through hole 113 by hot pressing, and the upper side and the lower side of the insulating bonding flange 142 are respectively bonded with the column flange 133 and the outer side of the top plate 111 by hot pressing. The insulating adhesive cylinder 141 and the insulating adhesive flange 142 are integrally molded and bonded by hot pressing, so that the insulating adhesive sheet 14 not only functions as an insulator but also functions to seal the battery. The explosion-proof valve 181 plays a safety protection role.
In the embodiment of the present application, the cover plate assembly 12 further includes an insulating ring 15 and a cover plate bus piece 16, the both sides surfaces of the insulating ring 15 respectively fit to a side surface of the top plate 111 and the cover plate bus piece 16, the insulating ring 15 is provided with a second through hole 151 and a plurality of first side holes 152 of the second through hole 151, the cover plate bus piece 16 includes a third through hole 161 and centers on a plurality of second side holes 162 of the third through hole 161, the column main body 132 sequentially extends into the first through hole 113, the second through hole 151 and the third through hole 161, the column main body 132 and the cover plate bus piece 16 are connected in a nested manner.
In the embodiment of the present application, the second side hole 162 is a waist-shaped hole. The second through hole 151, the first side hole 152, and the third through hole 161 are circular holes, but may be set as the case may be.
In this embodiment, the explosion-proof valve 181 is welded to the column main body 132, and the explosion-proof valve 181 is depressurized when the internal pressure of the casing 11 reaches a preset value.
In the embodiment of the present application, the pole 13 is made of aluminum. Of course, this may be set as the case may be.
In the embodiment of the present application, the housing 11 includes a bottom plate 112 disposed opposite to the top plate 111.
In the embodiment of the present application, the bottom plate 112 is a positive bus bar, and the cover plate 16 is a negative bus bar.
In the embodiment of the present application, the base plate 112 is a negative bus bar, and the cover plate 16 is a positive bus bar.
Further, this application still provides a apron subassembly for sealed and insulating battery 10's casing 11, casing 11 includes roof 111, first through-hole 113 has been seted up on roof 111, apron subassembly 12 includes utmost point post 13, utmost point post 13 includes post main part 132 and the outside post turn-ups 133 that turns up in post main part 132 top border, post main part 132 stretches into first through-hole 113, installation through-hole 131 has been seted up on utmost point post 13, be equipped with explosion-proof valve 181 in the installation through-hole 131, explosion-proof valve 181 seals installation through-hole 131. An insulating adhesive sheet 14 is provided on the cover assembly. The insulating adhesive sheet 14 includes an insulating adhesive cylinder 141 and an insulating adhesive flange 142, which is turned up outward from the top edge of the insulating adhesive cylinder, and the insulating adhesive sheet 14 is used to seal and insulate the housing 11 and the pole 13. The inner side and the outer side of the insulating adhesive cylinder 141 are respectively bonded to the outer side wall of the column main body 132 and the side wall of the first through hole 113 by thermal compression, and the upper side and the lower side of the insulating adhesive flange 142 are respectively bonded to the outer sides of the column flange 133 and the top plate 111 by thermal compression. The insulating adhesive cylinder 141 and the insulating adhesive bead 142 are integrally molded and bonded by hot press, so that the insulating adhesive sheet 14 not only functions as an insulator but also functions to seal the battery. The explosion-proof valve 181 plays a role of safety protection,
in the embodiment of the present application, the cover plate assembly 12 further includes an insulating ring 15 and a cover plate bus piece 16, the both sides surfaces of the insulating ring 15 respectively fit to a side surface of the top plate 111 and the cover plate bus piece 16, the insulating ring 15 is provided with a second through hole 151 and a plurality of first side holes 152 of the second through hole 151, the cover plate bus piece 16 includes a third through hole 161 and centers on a plurality of second side holes 162 of the third through hole 161, the column main body 132 sequentially extends into the first through hole 113, the second through hole 151 and the third through hole 161, the column main body 132 and the cover plate bus piece 16 are connected in a nested manner.
In the battery of the present application, the battery includes a case, a cap plate assembly, and an insulating adhesive sheet; the shell comprises a top plate, and a first through hole is formed in the top plate; the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging turned outwards at the edge of the top end of the column main body, the column main body extends into the first through hole, the pole column is provided with a mounting through hole, an explosion-proof valve is arranged in the mounting through hole, and the explosion-proof valve seals the mounting through hole; the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flanging which is turned up outwards at the top edge of the insulating adhesive cylinder, and the insulating adhesive sheet is used for sealing and insulating the shell and the pole; the inner side and the outer side of the insulating bonding cylinder body are respectively subjected to hot-pressing bonding on the outer side wall of the cylinder body and the side wall of the first through hole, and the upper side face and the lower side face of the insulating bonding flanging are respectively subjected to hot-pressing bonding on the flanging of the cylinder body and the outer side of the top plate. This application forms insulating bonding sheet through insulating bonding barrel and insulating bonding turn-ups integrated into one piece to through the hot-pressing bonding, make insulating bonding sheet not only play insulating effect, still have sealed battery effect, thereby need not to increase in addition that the rubber circle seals, the structure is comparatively simple, and explosion-proof valve plays the safety protection effect.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.
Claims (10)
1. A battery, comprising a housing, a cover assembly, and an insulating adhesive sheet;
the shell comprises a top plate, and a first through hole is formed in the top plate;
the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging which is turned outwards at the edge of the top end of the column main body, the column main body extends into the first through hole, a mounting through hole is formed in the pole column, an explosion-proof valve is arranged in the mounting through hole, and the explosion-proof valve seals the mounting through hole;
the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flange, wherein the top edge of the insulating adhesive cylinder is turned outwards;
the inner side and the outer side of the insulating bonding cylinder are respectively bonded with the outer side wall of the column main body and the side wall of the first through hole in a hot-pressing mode, and the upper side face and the lower side face of the insulating bonding flanging are respectively bonded with the column flanging and the outer side of the top plate in a hot-pressing mode.
2. The battery of claim 1, wherein the cover plate assembly further comprises an insulating ring and a cover plate bus bar, two side surfaces of the insulating ring are respectively attached to the inner side surface of the top plate and one side surface of the cover plate bus bar, the insulating ring is provided with a second through hole and a plurality of first side holes surrounding the second through hole, the cover plate bus bar comprises a third through hole and a plurality of second side holes surrounding the third through hole, the column body sequentially extends into the first through hole, the second through hole and the third through hole, and the column body is connected with the cover plate bus bar in a nested manner.
3. The battery of claim 2, wherein the second side aperture is a kidney shaped aperture.
4. The battery of claim 1, wherein the explosion-proof valve is welded to the column body, and the explosion-proof valve is vented when the pressure inside the case reaches a preset value.
5. The battery of claim 1, wherein the material of the post is aluminum.
6. The battery of claim 1, wherein the housing includes a bottom sheet disposed opposite the top sheet.
7. The battery of claim 6, wherein the base plate is a positive bus bar and the cover plate is a negative bus bar.
8. The battery of claim 6, wherein the base plate is a negative bus bar and the cover plate is a positive bus bar.
9. A cover plate assembly is characterized in that the cover plate assembly is used for sealing and insulating a shell of a battery, the shell comprises a top plate, a first through hole is formed in the top plate, the cover plate assembly comprises a pole column, the pole column comprises a column main body and a column flanging, the top end edge of the column main body is turned outwards, the column main body extends into the first through hole, a mounting through hole is formed in the pole column, an explosion-proof valve is arranged in the mounting through hole, and the mounting through hole is sealed by the explosion-proof valve; the cover plate assembly is provided with an insulating adhesive sheet, the insulating adhesive sheet comprises an insulating adhesive cylinder and an insulating adhesive flanging which is turned outwards at the top edge of the insulating adhesive cylinder, and the insulating adhesive sheet is used for sealing and insulating the shell and the pole; the inner side and the outer side of the insulating bonding cylinder body are respectively bonded with the outer side wall of the column main body and the side wall of the first through hole in a hot-pressing mode, and the upper side face and the lower side face of the insulating bonding flanging are respectively bonded with the column flanging and the outer side of the top plate in a hot-pressing mode.
10. The cover plate assembly according to claim 9, further comprising an insulating ring and a cover plate bus bar, wherein two side surfaces of the insulating ring are respectively attached to the inner side surface of the top plate and one side surface of the cover plate bus bar, the insulating ring is provided with a second through hole and a plurality of first side holes surrounding the second through hole, the cover plate bus bar comprises a third through hole and a plurality of second side holes surrounding the third through hole, the column main body sequentially extends into the first through hole, the second through hole and the third through hole, and the column main body is connected with the cover plate bus bar in a nested manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211379728.0A CN115566334A (en) | 2022-11-04 | 2022-11-04 | Battery and cover plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211379728.0A CN115566334A (en) | 2022-11-04 | 2022-11-04 | Battery and cover plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115566334A true CN115566334A (en) | 2023-01-03 |
Family
ID=84769253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211379728.0A Pending CN115566334A (en) | 2022-11-04 | 2022-11-04 | Battery and cover plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115566334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024169146A1 (en) * | 2023-02-16 | 2024-08-22 | 湖北亿纬动力有限公司 | Battery cover plate, battery cell, and battery pack |
-
2022
- 2022-11-04 CN CN202211379728.0A patent/CN115566334A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024169146A1 (en) * | 2023-02-16 | 2024-08-22 | 湖北亿纬动力有限公司 | Battery cover plate, battery cell, and battery pack |
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