CN110246993A - A kind of battery cap and power battery - Google Patents
A kind of battery cap and power battery Download PDFInfo
- Publication number
- CN110246993A CN110246993A CN201910651796.XA CN201910651796A CN110246993A CN 110246993 A CN110246993 A CN 110246993A CN 201910651796 A CN201910651796 A CN 201910651796A CN 110246993 A CN110246993 A CN 110246993A
- Authority
- CN
- China
- Prior art keywords
- plastic cement
- coping plate
- pole
- battery cap
- 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.)
- Pending
Links
- 230000010485 coping Effects 0.000 claims abstract description 61
- 239000004568 cement Substances 0.000 claims abstract description 60
- 238000003466 welding Methods 0.000 claims abstract description 42
- 238000009413 insulation Methods 0.000 claims abstract description 30
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004080 punching Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000001746 injection moulding Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- -1 Copper-Aluminum compound Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 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
-
- 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
-
- 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 kind of battery cap and power battery, the battery cap includes coping plate, positive terminal, negative terminal, plastic cement on plastic cement and negative insulation on positive conductive；Coping plate includes two pole rings of flaky main body and the prominent upper surface for being formed in main body；It is opened up in main body there are two pole mounting hole, the periphery of each pole mounting hole is equipped with a pole ring；Positive and negative terminals are worn respectively to a pole mounting hole；Plastic cement is respectively arranged on a pole ring on plastic cement and negative insulation on positive conductive；The lower end surface of coping plate main body is connected to a welding aluminium ring respectively at the periphery Laser Welding of each pole mounting hole, and welds and be equipped with sealing ring between aluminium ring and main body.Coping plate is made up of integrated punching technique in the present invention, and upper plastic cement and coping plate integrated injection molding can not only simplify production technology, but also can reduce production cost；Reverse side welds aluminium ring, can avoid plastic cement fusing on plastic cement/negative insulation on positive conductive, improves welding yield.
Description
Technical field
The present invention relates to power battery field more particularly to a kind of battery caps and power battery.
Background technique
With becoming increasingly conspicuous for environmental problem, low-carbon economy has become the mainstream of economic development.And it is increasingly serious
Air situation also further promote the rise of new-energy automobile.Hybrid vehicle and pure electric automobile are as new energy vapour
The representative of vehicle has also gradually obtained vast production firm and the approval of consumer.Power battery is as the main of new-energy automobile
Power source, it has also become one of critical component of electric car.
The power battery top cover of existing market application generally includes: opening up the coping plate there are two mounting hole, is arranged in peace
The positive terminal and negative terminal in hole are filled, plastic cement on the positive conductive of the periphery of positive terminal is set in, is set in the periphery of negative terminal
Negative insulation on plastic cement, and be welded in the welding aluminium block of coping plate outer end face.Currently, welding aluminium block is using positive welding side
Formula, due to plastic cement on welding aluminium block and positive conductive, on negative insulation, plastic cement is set to the outer end face of coping plate, mutual distance compared with
Closely, thus in laser beam welding, plastic cement is easy to melt because of high temperature on plastic cement and negative insulation on positive conductive, to lead
Product defect rate is caused to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of battery cap and power battery, front welding manner in the prior art is overcome
The existing defect for be easy to causeing on positive conductive plastic cement fusing on plastic cement and negative insulation.
To achieve this purpose, the present invention adopts the following technical scheme:
Plastic cement on plastic cement and negative insulation on a kind of battery cap, including coping plate, positive terminal, negative terminal, positive conductive；
The coping plate includes two pole rings of flaky main body and the prominent upper surface for being formed in the main body；In the main body
It opens up there are two pole mounting hole, the periphery of each pole mounting hole is equipped with a pole ring；
The positive cylinder of the positive terminal and the cathode cylinder of negative terminal are worn respectively to a pole mounting hole；It is described just
Extremely conductive upper plastic cement is set on the corresponding pole ring of the positive terminal, and plastic cement is corresponding set on the negative terminal on the negative insulation
Pole ring on；
The lower end surface of the main body of the coping plate is connected to a welding aluminium respectively at the periphery Laser Welding of each pole mounting hole
Ring, and sealing ring is equipped between the welding aluminium ring and the positive terminal/negative terminal.
Optionally, the coping plate is formed by aluminium sheet integrated punching.
Optionally, plastic cement is molded in the coping plate simultaneously on plastic cement and the positive conductive on the negative insulation
On.
Optionally, the effective fusion penetration of laser welding of the welding aluminium ring is more than or equal to 0.55mm.
Optionally, the lower end surface of the main body of the coping plate is equipped with an annular respectively at the periphery of each pole mounting hole
Installation position, the welding aluminium ring are welded in annular installation position.
Optionally, the battery cap further includes lower plastic parts, and the lower plastic parts is fastened and connected with the coping plate.
Optionally, the lower plastic parts is integrated with the coping plate by ultrasonic wave fusion.
Optionally, the battery cap further includes explosion-proof valve；The explosion-proof valve is welded on coping plate, including explosion rupture disk and
Protective film in explosion rupture disk is set.
Optionally, the periphery of the pole ring is equipped at intervals with several through-holes, and plastic cement and cathode are exhausted on the positive conductive
The inner circumferential of plastic cement is equipped at intervals with several convex blocks to match with through-hole on edge.
A kind of power battery, including battery case further include that as above any battery cap, the battery cap fill
Assigned on the battery case.
Beneficial effects of the present invention:
In battery cap provided by the embodiment of the present invention, integrated punching is passed through by the coping plate that main body and pole ring form
Technique is made, and compared with traditional separation impact style, can not only simplify production technology, but also can reduce production cost；Anode is led
Plastic cement and coping plate integrated injection molding on plastic cement/negative insulation on electricity, can be further simplified manufacture craft, save cost；Weldering
Aluminium ring is connect using reverse side welding manner, compared with traditional front welding manner, plastic cement/negative insulation on avoiding positive conductive
While upper plastic cement is burnt out because of the high temperature that welding generates, additionally it is possible to which effectively control welding penetration improves welding yield.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the perspective view of battery cap provided in an embodiment of the present invention.
Fig. 2 is the explosive view of battery cap provided in an embodiment of the present invention.
It illustrates:
Coping plate 1, positive terminal 2, negative terminal 3, plastic cement 4 on positive conductive, plastic cement 5 on negative insulation, sealing ring 6, welding
Aluminium ring 7, explosion-proof valve 8, lower plastic parts 9, main body 11, pole ring 12, pole mounting hole 111, liquid injection hole 112, explosionproof hole 113 are protected
Cuticula 81, explosion rupture disk 82.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are the overall structure view of battery cap provided in this embodiment respectively and quick-fried
According to structure chart, You Tuke shows, the battery cap of the present embodiment includes: coping plate 1, positive terminal 2, negative terminal 3, moulds on positive conductive
Plastic cement 5, sealing ring 6, welding aluminium ring 7, explosion-proof valve 8, lower plastic parts 9 on glue 4, negative insulation.
Wherein, coping plate 1 includes the main body 11 of structure in the form of sheets；It is offered in main body 11 for installing 2/ cathode of positive terminal
Two pole mounting holes 111 of column 3, are also provided with liquid injection hole 112；The coping plate 1 further includes protruding to be formed in each pole peace
Fill the pole ring 12 of hole periphery.
In the present embodiment, it forms the main body 11 of coping plate 1 and pole ring 12 is aluminium, by aluminium both in production
Integrated punching is formed.
In prior art designs, main body 11 and pole ring 12 are designed using separated structure, need to rush respectively in process of production
Swaging is at main body 11 and pole ring 12, not only complex process, but also due to needing to put into three sets of stamping dies and three punching machines, clear
The single completion of work palpus is washed, and aluminium waste rate is high, therefore expends higher production cost.
For this purpose, the present embodiment forms the coping plate 1 including main body 11 and pole ring 12 using integrated punching mode, simplify
Production technology, it is only necessary to which putting into a set of stamping die and a punching machine can be completed, and decrease the generation of waste material, finally can be significantly
Reduce production cost.
Positive terminal 2, including positive cylinder and the positive bottom plate for being connected to positive cylinder bottom.Negative terminal, including negative terminal
Body and the cathode bottom plate for being connected to cathode cylinder bottom.The positive cylinder of positive terminal 2 and the cathode cylinder of negative terminal 3 are worn respectively
In corresponding pole mounting hole, and the upper end of positive cylinder and cathode cylinder exceeds the upper surface of coping plate 1.
Plastic cement 4 is molded on a pole ring 12 of coping plate 1 on positive conductive, and plastic cement 4 is used on the positive conductive
In the conductive connection for realizing positive terminal 2 and coping plate 1.Plastic cement 5 is molded in another pole of coping plate 1 on negative insulation
On ring 12, plastic cement 5 is connect for realizing negative terminal 2 with the insulation of coping plate 1 on the negative insulation.
The periphery of pole ring 12 is equipped at intervals with several through-holes, on positive conductive on plastic cement 4 and negative insulation plastic cement 5 it is interior
Be uniformly provided with several convex blocks to match with through-hole week, with guarantee mold injection into glue smoothness, and promote encapsulated performance can
By property.
For plastic cement 5 on plastic cement 4 on positive conductive and negative insulation, the present embodiment is used and is set in positive terminal 2 and negative terminal 3
Enter on coping plate 1 after corresponding pole mounting hole 111, the mode of injection molding simultaneously, substitutes conventional difference on coping plate 1
Injection mold, can be reduced to a set of by injection molding by two sets, further decrease the production cost of battery cap.
On the lower end surface of the main body 11 of coping plate 1, one and welding aluminium are equipped with respectively at the periphery of each pole mounting hole 111
The annular installation position (not shown) that ring 7 matches.Plastic cement 4 and cathode are exhausted on injection molding positive conductive on coping plate 1
On edge after plastic cement 5, welding aluminium ring 7 be packed into annular installation position and with main body 11 by laser welding it is integral, Laser Welding is connected to
It imitates fusion penetration and is more than or equal to 0.55mm, and sealing ring 6 is set between welding aluminium ring 7 and the main body 11 of coping plate 1, realizes good gas
Close property.
In the present embodiment, since plastic cement 5 is located on the upper surface of coping plate 1 on plastic cement 4 on positive conductive and negative insulation,
And sealing ring 6 and welding aluminium ring 7 are located on the lower end surface of coping plate 1, therefore the present embodiment is substantially that will weld 7 laser of aluminium ring
It is soldered to the reverse side of coping plate 1, compared with conventional front welding manner, this reverse side welding manner can effectively avoid anode and lead
On electricity on 4/ negative insulation of plastic cement the high temperature caused by laser welding process of plastic cement 5 due to occur melting etc. damage, while more added with
Conducive to control welding penetration, failure welding rate is reduced.
Explosion-proof valve 8 is set on coping plate 1, which includes protective film 81 and explosion rupture disk 82, the main body of coping plate 1
11 are equipped with explosionproof hole 113, and explosion rupture disk 82 is arranged in explosionproof hole 113, and protective film 81 is arranged in explosion rupture disk 82, when in battery
After pressure increases, electrolyte can break through explosion rupture disk 82, timely and effectively discharge the heat of inside battery, avoid battery because of pressure
Power is excessive and there is a situation where explode.
Lower plastic parts 9 fastens integrally with coping plate 1, and makes the close connection of the two by ultrasonic wave.On lower plastic parts 9
The position of corresponding 8 lower section of explosion-proof valve is equipped with multiple through-holes, for transferring the pressure to explosion-proof valve 8 when inner pressure of battery increases to subtract
Few security risk, while can electrolyte be flowed into inside battery case when liquid injection hole 112 injects electrolyte.
In addition, the material of positive terminal 2 is aluminium, and the material of negative terminal 3 is Copper-Aluminum compound material, and anode is led in the present embodiment
The material of plastic cement 4 is conduction PPS on electricity, and the material of plastic cement 5 is insulation PPS on negative insulation.
Specifically, the production technology of above-mentioned battery cap includes:
(1) coping plate 1 comprising main body 11 and pole ring 12 is made in integrated punching.
(2) positive terminal 2, negative terminal 3 and coping plate 1 are packed into injection mold, and positive terminal 2 and negative terminal 3 are worn respectively
Cross corresponding pole mounting hole on coping plate 1.
(3) plastic cement 5 on plastic cement 4 and negative insulation on injection molding positive conductive simultaneously on coping plate 1.
(4) it is packed into sealing ring 6 and welding aluminium ring 7 in the lower end surface of coping plate 1, welding aluminium ring 7 is soldered to coping plate 1
Reverse side.
(5) after being packed into explosion-proof valve 8 on coping plate 1, lower plastic parts 9 and the assembly of coping plate 1 are integrated.
To sum up, in battery cap provided by the present embodiment, being formed by integrated punching includes main body 11 and pole ring 12
Coping plate 1 can not only simplify production technology, but also production cost can be reduced compared with traditional separation impact style；Anode is led
Plastic cement 5 and 1 integrated injection molding of coping plate on 4/ negative insulation of plastic cement on electricity, can be further simplified manufacture craft, save cost；
Welding aluminium ring 7 is soldered to the reverse side of coping plate 1, compared with traditional front welding manner, the plastic cement on avoiding positive conductive
While plastic cement 5 is burnt out because of the high temperature that welding generates on 4/ negative insulation, additionally it is possible to which effectively control welding penetration improves welding
Yield.
In addition, the present embodiment also provides a kind of power battery, including battery case and the battery being assemblied on battery case
Top cover, the battery cap are as described above.By the way that the production cost of power battery can be substantially reduced using above-mentioned battery cap,
Improve product yield.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. plastic cement on plastic cement and negative insulation on a kind of battery cap, including coping plate, positive terminal, negative terminal, positive conductive；Its
It is characterized in that,
The coping plate includes two pole rings of flaky main body and the prominent upper surface for being formed in the main body；The master
It is opened up on body there are two pole mounting hole, the periphery of each pole mounting hole is equipped with a pole ring；
The positive cylinder of the positive terminal and the cathode cylinder of negative terminal are worn respectively to a pole mounting hole；The anode is led
Plastic cement is set on the corresponding pole ring of the positive terminal on electricity, and plastic cement is set to the corresponding pole of the negative terminal on the negative insulation
On the band of column；
The lower end surface of the main body of the coping plate is connected to a welding aluminium ring respectively at the periphery Laser Welding of each pole mounting hole,
And sealing ring is equipped between the welding aluminium ring and the positive terminal/negative terminal.
2. battery cap according to claim 1, which is characterized in that the coping plate is formed by aluminium sheet integrated punching.
3. battery cap according to claim 1, which is characterized in that plastic cement and the positive conductive on the negative insulation
Upper plastic cement is molded on the coping plate simultaneously.
4. battery cap according to claim 1, which is characterized in that the effective fusion penetration of laser welding of the welding aluminium ring is big
In equal to 0.55mm.
5. battery cap according to claim 1, which is characterized in that the lower end surface of the main body of the coping plate, respectively at
The periphery of each pole mounting hole is equipped with an annular installation position, and the welding aluminium ring is welded in annular installation position.
6. battery cap according to claim 1, which is characterized in that the battery cap further includes lower plastic parts, described
Lower plastic parts is fastened and connected with the coping plate.
7. battery cap according to claim 6, which is characterized in that the lower plastic parts and the coping plate pass through ultrasound
Wave fusion is integrated.
8. battery cap according to claim 1, which is characterized in that the battery cap further includes explosion-proof valve；It is described anti-
Quick-fried valve is welded on coping plate, including explosion rupture disk and the protective film being arranged in explosion rupture disk.
9. battery cap according to claim 1, which is characterized in that it is logical that the periphery of the pole ring is uniformly provided with several
Hole, the inner circumferential of plastic cement is uniformly provided with several convex blocks to match with through-hole on plastic cement and negative insulation on the positive conductive.
10. a kind of power battery, including battery case, which is characterized in that further include any battery of claim 1 to 9
Top cover, the battery cap are assemblied on the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651796.XA CN110246993A (en) | 2019-07-18 | 2019-07-18 | A kind of battery cap and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651796.XA CN110246993A (en) | 2019-07-18 | 2019-07-18 | A kind of battery cap and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110246993A true CN110246993A (en) | 2019-09-17 |
Family
ID=67892714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910651796.XA Pending CN110246993A (en) | 2019-07-18 | 2019-07-18 | A kind of battery cap and power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110246993A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752324A (en) * | 2019-10-28 | 2020-02-04 | 惠州亿纬锂能股份有限公司 | Sealing assembly and lithium ion battery |
| CN110828720A (en) * | 2019-11-12 | 2020-02-21 | 浙江锦泰电子有限公司 | Battery cover plate |
| CN112133879A (en) * | 2020-11-02 | 2020-12-25 | 深圳市嘉姆特科技有限公司 | Battery injection molding terminal with novel structure |
| CN112331972A (en) * | 2020-02-24 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Top cover assembly, single battery, battery module, battery pack and device |
| CN112751113A (en) * | 2020-12-31 | 2021-05-04 | 远景动力技术(江苏)有限公司 | Riveting top cover, assembling method thereof and square-shell battery cell |
| CN114597556A (en) * | 2022-03-07 | 2022-06-07 | 溧阳中科海钠科技有限责任公司 | Sodium ion electricity core aluminum hull apron |
| CN114665200A (en) * | 2020-12-23 | 2022-06-24 | 安徽力翔电池科技有限公司 | Simple top cover structure and manufacturing process |
| CN115347289A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
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| CN206370449U (en) * | 2016-12-28 | 2017-08-01 | 靖江市东达铝业有限公司 | A kind of battery cap being flexible coupling with both positive and negative polarity |
| CN207052638U (en) * | 2017-06-06 | 2018-02-27 | 池州市骏智机电科技有限公司 | A kind of electrokinetic cell top cover |
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| CN210006770U (en) * | 2019-07-18 | 2020-01-31 | 武汉阿李智能科技有限公司 | kinds of battery top covers and power battery |
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| CN206370449U (en) * | 2016-12-28 | 2017-08-01 | 靖江市东达铝业有限公司 | A kind of battery cap being flexible coupling with both positive and negative polarity |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752324A (en) * | 2019-10-28 | 2020-02-04 | 惠州亿纬锂能股份有限公司 | Sealing assembly and lithium ion battery |
| CN110828720A (en) * | 2019-11-12 | 2020-02-21 | 浙江锦泰电子有限公司 | Battery cover plate |
| CN112331972A (en) * | 2020-02-24 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Top cover assembly, single battery, battery module, battery pack and device |
| CN112331972B (en) * | 2020-02-24 | 2022-01-28 | 宁德时代新能源科技股份有限公司 | Top cover assembly, single battery, battery module, battery pack and device |
| CN112133879A (en) * | 2020-11-02 | 2020-12-25 | 深圳市嘉姆特科技有限公司 | Battery injection molding terminal with novel structure |
| CN114665200A (en) * | 2020-12-23 | 2022-06-24 | 安徽力翔电池科技有限公司 | Simple top cover structure and manufacturing process |
| CN112751113A (en) * | 2020-12-31 | 2021-05-04 | 远景动力技术(江苏)有限公司 | Riveting top cover, assembling method thereof and square-shell battery cell |
| CN115347289A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
| CN114597556A (en) * | 2022-03-07 | 2022-06-07 | 溧阳中科海钠科技有限责任公司 | Sodium ion electricity core aluminum hull apron |
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