CN116937030A - Battery cover plate and battery - Google Patents
Battery cover plate and battery Download PDFInfo
- Publication number
- CN116937030A CN116937030A CN202210383713.5A CN202210383713A CN116937030A CN 116937030 A CN116937030 A CN 116937030A CN 202210383713 A CN202210383713 A CN 202210383713A CN 116937030 A CN116937030 A CN 116937030A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- battery
- main body
- battery cover
- insulating sheet
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012946 outsourcing Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 29
- 238000007789 sealing Methods 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000003466 welding Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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
- H01M50/10—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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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 provides a battery cover plate and a battery, comprising: the cover plate main body is provided with a pole outlet hole; the lower part of the lower conductor is positioned at the lower side of the cover plate main body, the upper part of the lower conductor penetrates through the pole outlet hole and extends to the upper side of the cover plate main body, and a mounting hole is formed in the middle of the upper part of the lower conductor; and the output electrode is provided with a protruding part, and the protruding part is riveted or welded in the mounting hole. The technical scheme of the invention has the beneficial effects that the protruding part arranged on the output electrode of the battery cover plate is riveted or welded in the mounting hole arranged on the upper part of the lower conductor, so that the structural strength and effective conduction of the battery cover plate are ensured, the high production cost of laser welding is avoided, the structure is simple, the manufacturing cost is low, the safety performance is high, the difficult problems of insulation and sealing of the battery cover plate are effectively solved, and the insulation and sealing of the cover plate are ensured.
Description
Technical Field
The invention belongs to the technical field of lithium batteries, and particularly relates to a battery cover plate and a battery.
Background
Lithium batteries are widely focused on as power sources or storage media for new energy electric vehicles, energy storage power stations, new energy applications and the like due to the advantages of high energy density, high power density, multiple recycling times, long storage time and the like. With the development of industry, people pay more attention to the use safety, manufacturing convenience and cost controllability of lithium batteries.
In the prior art, excessive components are integrated on a lithium battery cover plate, so that the battery cover plate has a complex structure and electrolyte leakage risk; and the battery cover plate is connected with the battery shell in a laser welding mode, so that the laser welding equipment is expensive, mass production is not facilitated, and the manufacturing cost is high.
Therefore, a battery cover plate with simple structure, low manufacturing cost and high safety performance is needed, the structural strength and the effective electric output of the battery are ensured, and the input cost is effectively reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a battery cover plate and a battery, wherein the protruding part arranged on the output electrode of the battery cover plate is riveted or welded in the mounting hole arranged on the upper part of the lower conductor, so that the structural strength and effective conduction of the battery cover plate are ensured, the high production cost of laser welding is avoided, and the battery cover plate is simple in structure, low in manufacturing cost and high in safety performance.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a battery cover plate comprising:
the cover plate main body is provided with a pole outlet hole;
the lower part of the lower conductor is positioned at the lower side of the cover plate main body, the upper part of the lower conductor penetrates through the pole outlet hole and extends to the upper side of the cover plate main body, and a mounting hole is formed in the middle of the upper part of the lower conductor;
the output pole is provided with a protruding part, and the protruding part is riveted or welded in the mounting hole.
Preferably, the device further comprises an insulation structure, wherein the insulation structure is arranged between the output electrode and the cover plate main body and between the lower conductor and the cover plate main body.
Preferably, the insulation structure comprises a lower insulation sheet, a middle insulation sheet, an outer insulation ring and an upper insulation sheet;
the lower insulating sheet is arranged on the lower side of the cover plate main body and is provided with a through hole;
the middle insulating sheet is sleeved on the outer side of the upper part of the lower conductor and is arranged between the cover plate main body and the lower part of the lower conductor;
the outer insulating ring is wrapped on the outer side of the lower part of the lower conductor;
the upper insulating sheet is arranged between the output electrode and the cover plate main body.
Preferably, a first annular protrusion and a second annular protrusion are respectively arranged at two ends of the upper insulating sheet, and the second annular protrusion penetrates through the pole outlet hole to wrap the outer side of the upper part of the lower conductor;
the periphery of output pole is equipped with the outsourcing portion, the outsourcing portion parcel in the bellied outside of first annular.
Preferably, the lower insulating sheet is heat-riveted or glued to the cover plate body.
Preferably, the sealing device further comprises a sealing ring, wherein the sealing ring is arranged between the lower part of the lower conductor and the cover plate main body.
Preferably, the sealing ring is disposed between the outer circumference of the middle insulating sheet and the inner circumference of the outer insulating ring.
Preferably, the hole wall of the pole outlet hole is provided with an annular boss structure.
Preferably, the cover plate main body is provided with a safety valve and a liquid injection hole.
A battery comprises the battery cover plate.
The technical scheme of the invention has the beneficial effects that:
the invention ensures the structural strength and effective conduction of the battery cover plate by riveting or welding the protruding part arranged on the output electrode of the battery cover plate in the mounting hole arranged on the upper part of the lower conductor, avoids the high production cost of adopting laser welding, and has simple structure, low manufacturing cost and high safety performance.
The battery cover plate is designed through the insulation structure comprising a plurality of insulation sheets arranged between the output electrode and the cover plate main body, and the sealing ring arranged between the lower part of the lower conductor and the cover plate main body, so that the difficult problems of insulation and sealing of the battery cover plate are effectively solved, and the insulation and sealing of the cover plate are ensured.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a structural exploded view of a battery cover plate of the present invention;
FIG. 2 shows a schematic A-A cross-section of a battery cover plate of the present invention;
FIG. 3 shows an enlarged partial schematic view of a battery cover plate of the present invention at section I, A-A;
FIG. 4 shows a top view of a battery cover plate of the present invention;
fig. 5 shows a front view of a battery cover plate of the present invention;
fig. 6 shows a left side view of a battery cover plate of the present invention.
Reference numerals illustrate:
1. a lower insulating sheet; 11. a through hole; 2. a seal ring; 3. a lower conductor; 31. a lower portion of the lower conductor; 32. an upper portion of the lower conductor; 4. a middle insulating sheet; 5. an outer insulating ring; 6. a cover plate main body; 61. a pole outlet hole; 62. a boss structure; 7. an output electrode (positive electrode); 71. a boss; 72. an outer wrapping part; 8. an upper insulating sheet; 81. a first annular projection; 82. a second annular projection; 9. an output electrode (negative electrode); 10. a safety valve; 11. and a liquid injection hole.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1 to 3, the present invention provides a battery cover plate comprising:
the cover plate main body 6, the cover plate main body 6 is provided with a pole outlet hole 61;
a lower conductor 3, a lower portion 31 of which is positioned at the lower side of the cover plate main body 6, an upper portion 32 of which penetrates the pole outlet hole 61 and extends to the upper side of the cover plate main body 6, and a mounting hole 33 is arranged in the middle of the upper portion 32 of the lower conductor;
the output pole 7, the output pole 7 is provided with a protruding part 71, and the protruding part 71 is riveted or welded in the mounting hole 33.
Specifically, the outer diameter of the lower portion 31 of the lower conductor is larger than the diameter of the upper portion 32 of the lower conductor, the lower portion 31 of the lower conductor is located at the lower side of the cover main body 6, the upper portion 32 of the lower conductor penetrates the pole outlet hole 61 of the cover main body 6 and extends to the upper side of the cover main body 6, the lower portion 31 of the lower conductor abuts against the cover main body 6, and the protruding portion 71 provided on the output pole 7 is riveted or welded in the mounting hole 33. The mounting mode avoids the high-cost production mode of adopting laser welding between the output electrode 7 and the lower conductor 3, can ensure the structural strength and the effective conduction of the battery cover plate, and has simple structure, convenient production, low manufacturing cost and high safety performance.
Preferably, the shape of the lower portion 31 of the lower conductor is preferably circular, and in other implementations, the shape of the lower portion 31 of the lower conductor may be square or regular polygonal, and the surface is smooth, so that the lower portion 31 of the lower conductor has high surface adhesion with other components. The lower conductor 3 can be made of aluminum material or copper and aluminum composite material according to the internal structure requirement of the battery cell.
Optionally, an insulating structure is further included, and the insulating structure is disposed between the output electrode 7 and the cover plate main body 6, and between the lower conductor 3 and the cover plate main body 6.
Specifically, the insulating structure is used for insulation between the output electrode 7 and the cap plate body 6 and insulation between the lower conductor 3 and the cap plate body 6. The insulating structure is made of polypropylene, polyethylene or fluoroplastic which can resist lithium battery electrolyte.
Optionally, the insulation structure comprises a lower insulation sheet 1, a middle insulation sheet 4, an outer insulation ring 5 and an upper insulation sheet 8;
the lower insulating sheet 1 is arranged on the lower side of the cover plate main body 6, and the lower insulating sheet 1 is provided with a through hole 11;
the middle insulating sheet 4 is sleeved outside the upper part 32 of the lower conductor and is arranged between the cover plate main body 6 and the lower part 31 of the lower conductor;
the outer insulating ring 5 is wrapped outside the lower part 31 of the lower conductor;
the upper insulating sheet 8 is provided between the output electrode 7 and the cover main body 6.
Specifically, upper insulating sheet 8, middle insulating sheet 4, lower insulating sheet 1 have been set gradually between output pole 7 and apron main part 6 to and be provided with outer insulating ring 5 parcel in the outside of lower electric conductor 3, including the insulating structural design of a plurality of insulating sheets like this, the effectual difficult problem of solving battery apron insulation, the insulating nature of assurance apron.
Optionally, a first annular protrusion 81 and a second annular protrusion 82 are respectively provided at two ends of the upper insulating sheet 8, and the second annular protrusion 82 penetrates through the electrode outlet hole 61 to wrap the outer side of the upper portion 32 of the lower conductor;
the outer periphery of the output electrode 7 is provided with an outer wrapping portion 72, and the outer wrapping portion 72 wraps the outer side of the first annular protrusion 81.
Specifically, the output electrode 7 is wrapped on the outer side of the first annular protrusion 81 through the outer wrapping portion 72, so that the welding surface of the output electrode 7 and the other battery cover plate is reserved by the battery cover plate, and the reliability of electric connection is ensured.
Optionally, the lower insulating sheet 1 is heat riveted or glued to the cover body 6.
Specifically, the lower insulating sheet 1 is fastened and connected with the bottom of the cover plate main body 6 through gluing or hot riveting, and insulation between the battery cell tab and other metal parts can be realized through arrangement of the lower insulating sheet 1.
Optionally, a sealing ring 2 is further included, the sealing ring 2 being arranged between the lower portion 31 of the lower electrical conductor and the cover body 6.
Specifically, the sealing ring 2 can improve the sealing performance around the lower conductor 3, and the outer ring of the lower conductor 3 is sealed.
Optionally, the sealing ring 2 is arranged between the outer circumference of the middle insulating sheet 4 and the inner circumference of the outer insulating ring 5.
Specifically, be provided with the gap between the periphery of middle part insulating sheet 4 and the inner periphery of outer insulating ring 5, sealing washer 2 sets up in the clearance for seal between lower part 31 of lower electric conductor and apron main part 6, effectually solved the sealed difficult problem of battery apron, guaranteed the apron leakproofness.
Preferably, the sealing ring is an O-shaped sealing ring, and the sealing ring is made of ethylene propylene rubber, butyl rubber or fluororubber which can resist corrosion of electrolyte of the lithium battery. The sealing ring 2 can also select different materials according to the design of the battery core and the requirements of electrode potential difference, so as to ensure the design of the battery core and prevent adverse electrochemical corrosion caused by different material potentials.
Optionally, the hole wall of the pole outlet hole 61 is provided with an annular boss structure 62.
Specifically, the cover plate body 6 is punched with the boss structure 62 through processes such as stamping, and the boss structure 62 can effectively ensure the structural strength of the sealing surface of the cover plate body 6 and the flatness in sealing.
Alternatively, referring to fig. 4, the cap body 6 is provided with a safety valve 10 and a filling hole 11.
Specifically, the cover plate main body 6 is provided with corresponding structures such as a safety valve 10 and a liquid injection hole 11, so that the liquid injection process of the battery core and the internal pressure of the battery under extreme conditions are effectively released, the internal pressure and the external pressure are balanced, and the safety and the reliability of the battery are further improved.
A battery comprises the battery cover plate.
Specifically, the battery includes battery cover plate, battery casing and battery unit, can produce the problem that leaks gas and electrolyte leakage at battery use, forms complete electric core structure with this cover plate and battery casing through the welding, according to the polarity requirement of the structure and the output pole of electric core, positive pole 7, the negative pole 9 of the positive pole that can effectual output battery, refer to the fig. 5 and show to and avoid the problem that leaks gas and electrolyte leakage that factors such as high temperature, electrolyte corruption caused, effectively prolonged the life of battery.
The battery cover plate can expand and deform the size and the shape according to the size, the conductive requirement and the output characteristic requirement of the battery, and the design thought, the sealing and the connection principle of the technical scheme are maintained.
Examples
Referring to fig. 1 to 6, the present embodiment provides a battery cover plate including:
the cover plate main body 6, the cover plate main body 6 is provided with a pole outlet hole 61;
a lower conductor 3, a lower portion 31 of which is positioned at the lower side of the cover plate main body 6, an upper portion 32 of which penetrates the pole outlet hole 61 and extends to the upper side of the cover plate main body 6, and a mounting hole 33 is arranged in the middle of the upper portion 32 of the lower conductor;
the output pole 7, the output pole 7 is provided with a protruding part 71, and the protruding part 71 is riveted or welded in the mounting hole 33.
In this embodiment, the device further includes an insulation structure disposed between the output electrode 7 and the cover body 6, and between the lower conductor 3 and the cover body 6.
In this embodiment, the insulation structure includes a lower insulation sheet 1, a middle insulation sheet 4, an outer insulation ring 5, and an upper insulation sheet 8;
the lower insulating sheet 1 is arranged on the lower side of the cover plate main body 6, and the lower insulating sheet 1 is provided with a through hole 11;
the middle insulating sheet 4 is sleeved outside the upper part 32 of the lower conductor and is arranged between the cover plate main body 6 and the lower part 31 of the lower conductor;
the outer insulating ring 5 is wrapped outside the lower part 31 of the lower conductor;
the upper insulating sheet 8 is provided between the output electrode 7 and the cover main body 6.
In this embodiment, the two ends of the upper insulating sheet 8 are respectively provided with a first annular protrusion 81 and a second annular protrusion 82, and the second annular protrusion 82 penetrates through the electrode outlet hole 61 to wrap the outer side of the upper portion 32 of the lower conductor;
the outer periphery of the output electrode 7 is provided with an outer wrapping portion 72, and the outer wrapping portion 72 wraps the outer side of the first annular protrusion 81.
In this embodiment, the lower insulating sheet 1 is heat-riveted or glued to the cover body 6.
In this embodiment, the sealing ring 2 is further included, and the sealing ring 2 is disposed between the lower portion 31 of the lower conductor and the cover main body 6.
In this embodiment, the seal ring 2 is provided between the outer periphery of the middle insulating sheet 4 and the inner periphery of the outer insulating ring 5.
In this embodiment, the hole wall of the pole outlet hole 61 is provided with an annular boss structure 62.
In this embodiment, the cover main body 6 is provided with a relief valve 10 and a filling hole 11.
The present embodiment also provides a battery (not shown) including the battery cover plate described above.
In summary, the battery cover plate is riveted or welded in the mounting hole arranged at the upper part of the lower conductor through the protruding part arranged on the output electrode of the battery cover plate, so that the structural strength and effective conduction of the battery cover plate are ensured, the high production cost of laser welding is avoided, and the battery cover plate has the advantages of simple structure, low manufacturing cost and high safety performance; and this battery cover plate is through setting up the insulation structure design that includes a plurality of insulating pieces between output pole and cover plate main part, and set up the lower part of lower electric conductor with sealing washer between the cover plate main part has solved battery cover plate insulating and sealed difficult problem effectively, guarantees the insulating nature and the leakproofness of cover plate.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. A battery cover plate, comprising:
the cover plate main body is provided with a pole outlet hole;
the lower part of the lower conductor is positioned at the lower side of the cover plate main body, the upper part of the lower conductor penetrates through the pole outlet hole and extends to the upper side of the cover plate main body, and a mounting hole is formed in the middle of the upper part of the lower conductor;
the output pole is provided with a protruding part, and the protruding part is riveted or welded in the mounting hole.
2. The battery cover of claim 1, further comprising an insulating structure disposed between the output electrode and the cover body and between the lower electrical conductor and the cover body.
3. The battery cover plate of claim 2, wherein the insulating structure comprises a lower insulating sheet, a middle insulating sheet, an outer insulating ring, and an upper insulating sheet;
the lower insulating sheet is arranged on the lower side of the cover plate main body and is provided with a through hole;
the middle insulating sheet is sleeved on the outer side of the upper part of the lower conductor and is arranged between the cover plate main body and the lower part of the lower conductor;
the outer insulating ring is wrapped on the outer side of the lower part of the lower conductor;
the upper insulating sheet is arranged between the output electrode and the cover plate main body.
4. The battery cover plate according to claim 3, wherein both ends of the upper insulating sheet are respectively provided with a first annular protrusion and a second annular protrusion, and the second annular protrusion is wrapped outside the upper portion of the lower conductor through the electrode outlet hole;
the periphery of output pole is equipped with the outsourcing portion, the outsourcing portion parcel in the bellied outside of first annular.
5. The battery cover plate of claim 3, wherein the lower insulating sheet is heat staked or glued to the cover plate body.
6. The battery cover plate of claim 3, further comprising a seal ring disposed between a lower portion of the lower electrical conductor and the cover plate body.
7. The battery cover plate of claim 6, wherein the seal ring is disposed between an outer periphery of the middle insulating sheet and an inner periphery of the outer insulating ring.
8. The battery cover plate according to claim 1, wherein the hole wall of the electrode outlet hole is provided with an annular boss structure.
9. The battery cover plate according to claim 1, wherein the cover plate body is provided with a safety valve and a liquid filling hole.
10. A battery comprising a battery cover according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210383713.5A CN116937030A (en) | 2022-04-11 | 2022-04-11 | Battery cover plate and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210383713.5A CN116937030A (en) | 2022-04-11 | 2022-04-11 | Battery cover plate and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116937030A true CN116937030A (en) | 2023-10-24 |
Family
ID=88383292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210383713.5A Pending CN116937030A (en) | 2022-04-11 | 2022-04-11 | Battery cover plate and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116937030A (en) |
-
2022
- 2022-04-11 CN CN202210383713.5A patent/CN116937030A/en active Pending
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