CN108777267B - Battery cover plate - Google Patents
Battery cover plate Download PDFInfo
- Publication number
- CN108777267B CN108777267B CN201810541133.8A CN201810541133A CN108777267B CN 108777267 B CN108777267 B CN 108777267B CN 201810541133 A CN201810541133 A CN 201810541133A CN 108777267 B CN108777267 B CN 108777267B
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- China
- Prior art keywords
- negative
- positive
- cover plate
- substrate
- sealing ring
- 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.)
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- 239000000758 substrate Substances 0.000 claims abstract description 103
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 239000002985 plastic film Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
-
- 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
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- 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
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a battery cover plate which comprises an anode upper substrate, a cathode upper substrate, an anode metal sheet, a cathode insulating sheet, a light cover plate, a plastic sheet, an anode sealing ring, a cathode sealing ring, an anode conductive substrate, a cathode conductive substrate and a plurality of ceramic columns, wherein the anode upper substrate is arranged on the anode metal sheet; the positive pole upper base plate, the positive pole sheetmetal, the light apron, the plastic part and the positive pole conducting base plate are connected from top to bottom in proper order, and the negative pole upper base plate, the negative pole insulating piece, the light apron, the plastic part and the negative pole conducting base plate are connected from top to bottom in proper order. The battery cover plate is convenient for discharging gas generated in the battery during the manufacturing process or the using process, is safer, and improves the service life and the explosion-proof safety performance of the battery.
Description
Technical Field
The invention relates to the field of batteries, in particular to a battery cover plate capable of exhausting air.
Background
With the increasing shortage of world resources, the electric power is used as clean energy, and the application range is increasingly wide. Batteries are a device that can store electricity, and the safety of batteries is also important. The battery cover plate is used as an important component of the power battery and determines the sealing performance and the insulating performance of the power battery.
In a general battery cover plate, an explosion-proof sheet is arranged on a light cover plate, and when the pressure generated by gas in a battery reaches a limit value, the explosion-proof sheet is broken to exhaust the gas. However, the rupture of the explosion-proof sheet is irreversible to damage the battery, and once the rupture of the explosion-proof sheet occurs, the battery needs to be scrapped, which not only has a certain influence on the service life of the battery, but also generates great pressure on the treatment of the battery.
In addition, the positive pole of the power supply and the negative pole of the power supply must be completely isolated during use of the battery to avoid short circuits. Therefore, in the process of manufacturing the battery cover plate, the part with the same electrical property as the positive electrode of the battery cover plate and the part electrically communicated with the negative electrode of the battery cover plate must ensure better isolation effect.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the battery cover plate, which is additionally provided with the exhaust path of the gas in the battery, so that the gas in the battery can be exhausted only through destructive explosion of the explosion-proof sheet, and meanwhile, the air isolation between the negative conductive column and the optical cover plate is changed into physical isolation, so that the safety performance of the battery is improved.
The technical scheme is as follows: in order to achieve the above purpose, the battery cover plate of the present invention comprises an upper anode substrate, an upper cathode substrate, an anode metal sheet, an anode insulation sheet, a light cover plate, a plastic sheet, an anode sealing ring, a cathode sealing ring, an anode conductive substrate, a cathode conductive substrate and a plurality of ceramic posts; the positive electrode upper substrate, the positive electrode metal sheet, the light cover plate, the plastic sheet and the positive electrode conductive substrate are sequentially connected from top to bottom; the negative electrode upper substrate, the negative electrode insulating sheet, the optical cover plate, the plastic sheet and the negative electrode conductive substrate are sequentially connected from top to bottom; the positive sealing ring penetrates through the plastic sheet, and the upper surface and the lower surface of the positive sealing ring are respectively connected with the light cover plate and the positive conductive substrate; the negative sealing ring penetrates through the plastic sheet, and the upper surface and the lower surface of the negative sealing ring are respectively connected with the light cover plate and the negative conductive substrate; the plastic sheet is provided with a plurality of fixing holes, and the lower surface of the light cover plate is provided with a plurality of positioning grooves; the ceramic posts penetrate through the fixing holes, the upper surfaces of the ceramic posts are connected with the positioning grooves on the lower surface of the light cover plate, and the lower surfaces of the ceramic posts are respectively connected with the positive conductive substrate and the negative conductive substrate; the upper surface of the positive conductive substrate is provided with a positive conductive column, and the positive conductive column sequentially penetrates through the plastic sheet, the positive sealing ring, the light cover plate, the positive metal sheet and the positive upper substrate and is fixedly connected with the positive upper substrate; the negative pole conductive substrate is provided with the negative pole and leads electrical pillar, the negative pole is led electrical pillar and is passed plastic piece, negative pole sealing washer, light apron, negative pole insulating piece and negative pole upper substrate in proper order, and links firmly with the negative pole upper substrate.
Furthermore, a plurality of exhaust grooves are respectively formed in the cylindrical surface of the positive conductive column and the cylindrical surface of the negative conductive column, and a plurality of exhaust through holes are formed in the positive conductive substrate and the negative conductive substrate; the exhaust groove on the negative conductive column extends to the upper surface of the negative conductive substrate from the upper surface of the negative conductive column, and the exhaust groove on the positive conductive column extends to the upper surface of the positive conductive substrate from the upper surface of the positive conductive column.
Furthermore, a first bulge is arranged on the upper surface of the negative conductive substrate along the negative conductive column in a circle; the upper surface of the positive conductive substrate is provided with a first bulge along the circle of the positive conductive column; the first bulge is respectively in abutting contact with the lower surfaces of the negative electrode sealing ring and the positive electrode sealing ring; the plurality of exhaust through holes are formed in the outer portion of the first protrusion.
Further, the negative electrode upper substrate comprises a first negative electrode upper substrate and a second negative electrode upper substrate; the first negative electrode upper substrate is made of copper, and the second negative electrode upper substrate is made of aluminum; the negative electrode conductive column is connected with the first negative electrode upper substrate.
Further, the positive electrode upper substrate and the positive electrode metal sheet are respectively provided with a positive electrode connecting hole, the first negative electrode upper substrate and the negative electrode insulating sheet are respectively provided with a negative electrode connecting hole, and the optical cover plate and the plastic sheet are respectively provided with a positive electrode connecting hole and a negative electrode connecting hole; the positive conductive column sequentially penetrates through a positive connecting hole of the plastic sheet, the positive sealing ring, a positive connecting hole of the light cover plate and a positive connecting hole of the positive metal sheet; the negative pole leads electrical pillar (1001) and passes the negative pole connecting hole of plastic piece, negative pole sealing washer, the negative pole connecting hole of light apron, the negative pole connecting hole of negative pole insulating piece and the negative pole connecting hole of first negative pole upper base plate in proper order.
Furthermore, second bulges are respectively arranged on the lower surface of the light cover plate along the circle of the positive electrode connecting hole and the negative electrode connecting hole, and the diameters of the second bulges are larger than those of the first bulges; and the second bulge is respectively connected with the upper surfaces of the positive sealing ring and the negative sealing ring in a jacking manner.
Further, the lower surface of the negative electrode insulation sheet is provided with a skirt edge along the negative electrode connecting hole in a circle, and the skirt edge extends through the negative electrode connecting hole of the light cover plate from the upper surface of the negative electrode insulation sheet and is connected with the upper surface of the negative electrode sealing ring in a jacking mode.
Has the advantages that: the beneficial effects of the invention are as follows: (1) when the pressure in the battery exceeds the set pressure of a positive sealing ring and a negative sealing ring, the gas in the battery pushes the sealing rings open and is discharged through the exhaust holes and the exhaust grooves in sequence, so that the explosion-proof performance of the battery is improved; (2) the utility model provides a battery apron, is provided with the shirt rim at the lower surface of negative pole insulating piece, and the air separation that leads between electrical pillar and the light apron with the negative pole changes into the physics and keeps apart, has strengthened the isolation effect.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural view of a negative electrode insulating sheet according to the present invention;
fig. 6 is a schematic structural view of the positive conductive substrate according to the present invention;
FIG. 7 is a schematic structural view of a negative conductive substrate according to the present invention;
fig. 8 is a schematic structural view of the negative electrode upper substrate according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The battery cover plate shown in fig. 1 to 8 comprises an anode upper substrate 1, a cathode upper substrate 2, an anode metal sheet 3, a cathode insulating sheet 4, a light cover plate 5, a plastic sheet 6, an anode sealing ring 7, a cathode sealing ring 8, an anode conductive substrate 9, a cathode conductive substrate 10 and a plurality of ceramic columns 14; the positive electrode base plate 1, the positive electrode metal sheet 3, the light cover plate 5, the plastic sheet 6 and the positive electrode conductive base plate 9 are sequentially connected from top to bottom; the cathode upper substrate 2, the cathode insulating sheet 4, the optical cover plate 5, the plastic sheet 6 and the cathode conductive substrate 10 are sequentially connected from top to bottom; the positive sealing ring 7 penetrates through the plastic sheet 6, and the upper surface and the lower surface of the positive sealing ring are respectively connected with the light cover plate 5 and the positive conductive substrate 9; the negative sealing ring 8 penetrates through the plastic sheet 6, and the upper surface and the lower surface of the negative sealing ring are respectively connected with the light cover plate 5 and the negative conductive substrate 10; the plastic sheet 6 is provided with a plurality of fixing holes 601, and the lower surface of the light cover plate 5 is provided with a plurality of positioning grooves 502; the ceramic posts 14 penetrate through the fixing holes 601, the upper surfaces of the ceramic posts are connected with the positioning grooves 502 on the lower surface of the optical cover plate 5, and the lower surfaces of the ceramic posts are respectively connected with the positive conductive substrate 9 and the negative conductive substrate 10; the upper surface of the positive conductive substrate 9 is provided with a positive conductive column 901, and the positive conductive column 901 sequentially penetrates through the plastic sheet 6, the positive sealing ring 7, the light cover plate 5, the positive metal sheet 3 and the positive upper substrate 1 and is fixedly connected with the positive upper substrate 1; the negative electrode conductive substrate 10 is provided with a negative electrode conductive column 1001, the negative electrode conductive column sequentially penetrates through the plastic sheet 6, the negative electrode sealing ring 8, the light cover plate 5, the negative electrode insulating sheet 4 and the negative electrode upper substrate 2, and is fixedly connected with the negative electrode upper substrate 2.
An explosion-proof sheet is also arranged on the upper surface of the optical cover plate 5.
Wherein the one end of the lower surface of light apron 5 is provided with the boss, and the upper surface of plastic piece 6 is provided with the recess, the boss is mutually supported with the recess for light apron 5 and plastic piece 6 are fixed a position fast.
A plurality of exhaust grooves 11 are respectively formed in the cylindrical surface of the positive conductive column 901 and the cylindrical surface of the negative conductive column 1001, and a plurality of exhaust through holes 12 are formed in the positive conductive substrate 9 and the negative conductive substrate 10; the exhaust groove 11 on the negative conductive pillar 1001 extends from the upper surface of the negative conductive pillar 1001 to the upper surface of the negative conductive substrate 10, and the exhaust groove 11 on the positive conductive pillar 901 extends from the upper surface of the positive conductive pillar 901 to the upper surface of the positive conductive substrate 9.
A first protrusion 13 is arranged on the upper surface of the negative conductive substrate 10 along the negative conductive column 1001 in a circle; the upper surface of the positive conductive substrate 9 is provided with a first protrusion 13 along the positive conductive column 901 in a circle; the first bulge 13 is respectively in abutting contact with the lower surfaces of the negative sealing ring 8 and the positive sealing ring 7; the plurality of exhaust through holes 12 are disposed outside the first protrusion 13.
The negative electrode upper substrate 2 includes a first negative electrode upper substrate 201 and a second negative electrode upper substrate 202; the first negative electrode upper substrate 201 is made of copper, and the second negative electrode upper substrate 202 is made of aluminum; the negative conductive pillar 1001 is connected to the first negative upper substrate 201.
The positive electrode upper substrate 1 and the positive electrode metal sheet 3 are respectively provided with a positive electrode connecting hole, the first negative electrode upper substrate 201 and the negative electrode insulating sheet 4 are respectively provided with a negative electrode connecting hole, and the optical cover plate 5 and the plastic sheet 6 are respectively provided with a positive electrode connecting hole and a negative electrode connecting hole; the positive conductive column 901 sequentially penetrates through a positive connection hole of the plastic sheet 6, the positive sealing ring 7, a positive connection hole of the light cover plate 5 and a positive connection hole of the positive metal sheet 3; the negative conductive column 1001 sequentially penetrates through a negative connection hole of the plastic sheet 6, the negative sealing ring 8, a negative connection hole of the optical cover plate 5, a negative connection hole of the negative insulation sheet 4 and a negative connection hole of the first negative upper substrate 201.
The lower surface of negative pole insulating piece 4 is provided with shirt rim 401 along negative pole connecting hole round, shirt rim 401 is extended the negative pole connecting hole of light apron 5 by the upper surface of negative pole insulating piece 4, is connected with the upper surface roof pressure of negative pole sealing washer 8.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
1. A battery cover plate, characterized in that: the device comprises an anode upper substrate (1), a cathode upper substrate (2), an anode metal sheet (3), a cathode insulating sheet (4), a light cover plate (5), a plastic sheet (6), an anode sealing ring (7), a cathode sealing ring (8), an anode conductive substrate (9), a cathode conductive substrate (10) and a plurality of ceramic columns (14); the positive electrode upper substrate (1), the positive electrode metal sheet (3), the light cover plate (5), the plastic sheet (6) and the positive electrode conductive substrate (9) are sequentially connected from top to bottom; the negative electrode upper substrate (2), the negative electrode insulation sheet (4), the light cover plate (5), the plastic sheet (6) and the negative electrode conductive substrate (10) are sequentially connected from top to bottom; the positive sealing ring (7) penetrates through the plastic sheet (6), and the upper surface and the lower surface of the positive sealing ring are respectively connected with the optical cover plate (5) and the positive conductive substrate (9); the negative sealing ring (8) penetrates through the plastic sheet (6), and the upper surface and the lower surface of the negative sealing ring are respectively connected with the light cover plate (5) and the negative conductive substrate (10); the plastic sheet (6) is provided with a plurality of fixing holes (601), and the lower surface of the light cover plate (5) is provided with a plurality of positioning grooves (502); the ceramic posts (14) penetrate through the fixing holes (601), the upper surfaces of the ceramic posts are connected with the positioning grooves (502) on the lower surface of the light cover plate (5), and the lower surfaces of the ceramic posts are respectively connected with the positive conductive substrate (9) and the negative conductive substrate (10); the upper surface of the positive conductive substrate (9) is provided with a positive conductive column (901), and the positive conductive column (901) sequentially penetrates through the plastic sheet (6), the positive sealing ring (7), the light cover plate (5), the positive metal sheet (3) and the positive upper substrate (1) and is fixedly connected with the positive upper substrate (1); the negative conductive substrate (10) is provided with a negative conductive column (1001), and the negative conductive column sequentially penetrates through the plastic sheet (6), the negative sealing ring (8), the light cover plate (5), the negative insulating sheet (4) and the negative upper substrate (2) and is fixedly connected with the negative upper substrate (2);
a plurality of exhaust grooves (11) are respectively formed in the cylindrical surface of the positive conductive column (901) and the cylindrical surface of the negative conductive column (1001), and a plurality of exhaust through holes (12) are formed in the positive conductive substrate (9) and the negative conductive substrate (10); the exhaust grooves (11) on the negative conductive columns (1001) extend from the upper surfaces of the negative conductive columns (1001) to the upper surfaces of the negative conductive substrates (10), and the exhaust grooves (11) on the positive conductive columns (901) extend from the upper surfaces of the positive conductive columns (901) to the upper surfaces of the positive conductive substrates (9).
2. A battery cover plate according to claim 1, wherein: the upper surface of the negative conductive substrate (10) is provided with a first bulge (13) along the negative conductive column (1001) in a circle; the upper surface of the positive conductive substrate (9) is provided with a first bulge (13) along the positive conductive column (901) in a circle; the first bulge (13) is respectively in abutting contact with the lower surfaces of the negative sealing ring (8) and the positive sealing ring (7); the plurality of exhaust through holes (12) are arranged outside the first protrusion (13).
3. A battery cover plate according to claim 1, wherein: the negative electrode upper substrate (2) comprises a first negative electrode upper substrate (201) and a second negative electrode upper substrate (202); the first negative electrode upper substrate (201) is made of copper, and the second negative electrode upper substrate (202) is made of aluminum; the negative electrode conductive column (1001) is connected with the first negative electrode upper substrate (201).
4. A battery cover plate according to claim 3, wherein: the positive electrode upper substrate (1) and the positive electrode metal sheet (3) are respectively provided with a positive electrode connecting hole, the first negative electrode upper substrate (201) and the negative electrode insulating sheet (4) are respectively provided with a negative electrode connecting hole, and the light cover plate (5) and the plastic sheet (6) are respectively provided with a positive electrode connecting hole and a negative electrode connecting hole; the positive conductive column (901) sequentially penetrates through a positive connecting hole of the plastic sheet (6), a positive sealing ring (7), a positive connecting hole of the optical cover plate (5) and a positive connecting hole of the positive metal sheet (3); the negative pole leads electrical pillar (1001) and passes the negative pole connecting hole of plastic piece (6), negative pole sealing washer (8), the negative pole connecting hole of light apron (5), the negative pole connecting hole of negative pole insulating piece (4) and the negative pole connecting hole of base plate (201) on the first negative pole in proper order.
5. A battery cover plate according to claim 1 or 4, characterized in that: second bulges (501) are respectively arranged on the lower surface of the light cover plate (5) along the anode connecting hole and the cathode connecting hole in a circle, and the diameter of each second bulge (501) is larger than that of each first bulge (13); and the second bulge (501) is respectively connected to the upper surfaces of the positive sealing ring (7) and the negative sealing ring (8) in a pressing manner.
6. A battery cover plate according to claim 1 or 4, characterized in that: the lower surface of negative pole insulating piece (4) is provided with shirt rim (401) along negative pole connecting hole round, shirt rim (401) are extended the negative pole connecting hole of light apron (5) by the upper surface of negative pole insulating piece (4), are connected with the upper surface roof pressure of negative pole sealing washer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541133.8A CN108777267B (en) | 2018-05-30 | 2018-05-30 | Battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541133.8A CN108777267B (en) | 2018-05-30 | 2018-05-30 | Battery cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777267A CN108777267A (en) | 2018-11-09 |
| CN108777267B true CN108777267B (en) | 2021-01-15 |
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ID=64027991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810541133.8A Active CN108777267B (en) | 2018-05-30 | 2018-05-30 | Battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777267B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365131B (en) * | 2023-05-31 | 2023-08-08 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202495487U (en) * | 2012-02-13 | 2012-10-17 | 东莞新能源科技有限公司 | Power battery and head cover thereof |
| CN203733907U (en) * | 2013-12-31 | 2014-07-23 | 宁德时代新能源科技有限公司 | Safety device of lithium ion battery |
| CN206301846U (en) * | 2016-12-02 | 2017-07-04 | 宁德时代新能源科技股份有限公司 | Top cover structure of power battery and its electrokinetic cell |
| CN207425934U (en) * | 2017-08-14 | 2018-05-29 | 苏州炬鸿通讯电脑科技有限公司 | Cover plate of power battery electrode column sealing device |
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2018
- 2018-05-30 CN CN201810541133.8A patent/CN108777267B/en active Active
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| Publication number | Publication date |
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| CN108777267A (en) | 2018-11-09 |
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