CN106784450A - A kind of sealed cover plate structure of lithium battery and preparation method thereof - Google Patents
A kind of sealed cover plate structure of lithium battery and preparation method thereof Download PDFInfo
- Publication number
- CN106784450A CN106784450A CN201710044648.2A CN201710044648A CN106784450A CN 106784450 A CN106784450 A CN 106784450A CN 201710044648 A CN201710044648 A CN 201710044648A CN 106784450 A CN106784450 A CN 106784450A
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- Prior art keywords
- ceramic body
- pole
- substrate
- sealing
- cover plate
- Prior art date
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 105
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 239000012212 insulator Substances 0.000 claims abstract description 60
- 238000000465 moulding Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 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
- H01M50/183—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
- H01M50/10—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
- H01M50/50—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)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
A kind of sealed cover plate structure of lithium battery and preparation method thereof, the sealed cover plate structure of lithium battery includes the negative pole pole and the Positive Poles that are arranged on substrate, also include the first ceramic body and the second ceramic body, negative pole pole is integrated by the first ceramic body with substrate interference fit；Positive Poles are integrated by the second ceramic body with substrate interference fit.Also include cathode pole piece and anode pole piece, the first ceramic body is set in the middle part of negative pole pole, and cathode pole piece is integrated with the welded top of negative pole pole, and the second ceramic body is set in the middle part of Positive Poles, and anode pole piece is integrated with the welded top of Positive Poles.Also include the first sealing insulator and the 3rd sealing insulator, the first sealing insulator is set in the top of negative pole pole and is crimped on the side of substrate, and the first detent is provided with the first sealing insulator, and cathode pole piece is embedded in the first detent.The characteristics of present invention has good insulation preformance, process is simple.
Description
Technical field
The present invention relates to a kind of sealed cover plate structure of lithium battery and preparation method thereof.
Background technology
At present, the sealing property of battery cover board affects the security performance of whole battery.In order to solve sealing property, market
On mostly use organic sealing ring, such as PFA, polyethylene, fluorubber, while being also adopted by metallized ceramic as sealing material
Material.But, all there is pole top and the on-insulated hidden danger of plate body in both sealing means.In order to solve potential safety hazard, generally
Meeting placing ceramic grain between pole and plate body, or one layer of insulating organic material is injected by injection molding manner.But, both
All there is complex procedures, high cost in mode, injection pressure is big in addition, and the intensity to sealing surface produces certain tension force, makes for a long time
During, sealing-in surface intensity may be tired, causes air-tightness to decline, and cell internal pressure is big, from the wind of pole position leakage
Danger, the life-span of battery is affected.
The content of the invention
The purpose of the present invention aim to provide a kind of good insulation preformance, the sealed cover plate structure of the lithium battery of process is simple and its
Preparation method, to overcome weak point of the prior art.
A kind of sealed cover plate structure of the lithium battery designed by this purpose, including it is arranged on negative pole pole on substrate and just
Pole pole, its architectural feature is also to include the first ceramic body and the second ceramic body, and negative pole pole passes through the first ceramic body and substrate
Interference fit is integrated；Positive Poles are integrated by the second ceramic body with substrate interference fit.
Further, the sealed cover plate structure of described lithium battery, also including cathode pole piece and anode pole piece, the first ceramic body
The middle part of negative pole pole is set in, cathode pole piece is integrated with the welded top of negative pole pole, and the second ceramic body is set in positive pole
The middle part of pole, anode pole piece is integrated with the welded top of Positive Poles.
Further, the sealed cover plate structure of described lithium battery, also including the first sealing insulator and the 3rd sealed insulation
Part, the first sealing insulator is set in the top of negative pole pole and is crimped on the side of substrate, is set on the first sealing insulator
There is the first detent, cathode pole piece is embedded in the first detent；3rd sealing insulator is set in the upper of Positive Poles
Portion and the side of substrate is crimped on, the 3rd detent is provided with the 3rd sealing insulator, anode pole piece is embedded fixed the 3rd
In the groove of position.
Further, the sealed cover plate structure of described lithium battery, also including the second sealing insulator and the 4th sealed insulation
Part, the second sealing insulator be set in the middle and lower part of negative pole pole and be crimped on the opposite side of substrate and negative pole pole bottom it
Between, the second detent is provided with the second sealing insulator, the bottom of negative pole pole is embedded in the second detent；Second
The inwall of sealing insulator is resisted against on the outer wall of the first ceramic body；4th sealing insulator is set in the middle and lower part of Positive Poles
And be crimped between the opposite side of substrate and the bottom of Positive Poles, the 4th detent is provided with the 4th sealing insulator,
Positive Poles bottom is embedded in the 4th detent；The inwall of the 4th sealing insulator is resisted against the outer wall of the second ceramic body
On.
Further, the sealed cover plate structure of described lithium battery, also including the first sealing ring and the second sealing ring, first is close
Seal is set in the bottom of the first ceramic body and is crimped between substrate, negative pole pole and the second sealing insulator；Second sealing
Snare is located at the bottom of the second ceramic body and is crimped between substrate, Positive Poles and the 4th sealing insulator.
Further, the first centre bore for inserting negative pole pole, the second ceramic body are provided with first ceramic body
On be provided with the second centre bore for inserting Positive Poles, the first centre bore and the second centre bore are respectively circular hole or ellipse
Hole；Substrate is metal substrate.
Further, first ceramic body and the second ceramic body are in respectively inverted T-shaped.
Further, it is separately provided for inserting the first pilot hole of the first ceramic body on the substrate and for inserting the
Second pilot hole of two ceramic bodies.
Further, first ceramic body and the second ceramic body are in respectively inverted T-shaped.
A kind of preparation method of the sealed cover plate structure of lithium battery, comprises the following steps：
, be inserted into the first ceramic body in the first pilot hole of substrate first by step one, and the second ceramic body is inserted into base
In second pilot hole of plate；
Step 2, high-tension current is passed through towards substrate, by high-tension current so that substrate moment thermal expansion, so that substrate
Tight swollen it is integrated with after the first ceramic body, the second ceramic body interference fit respectively；
Step 3, the first sealing ring is set in the bottom of the first ceramic body, and the second sealing ring is set in into the second ceramics
The bottom of body；
, then be inserted into negative pole pole in the first centre bore of the first ceramic body by step 4, and Positive Poles are inserted into
In second centre bore of the second ceramic body；
, with the welded top of negative pole pole be integrated cathode pole piece by Laser Welding by step 5, by anode pole piece with just
The welded top of pole pole is integrated；Obtain treating moulding；
Step 6, will treat that moulding loads in mould, and the both sides to substrate carry out high-pressure injection moulding, respectively obtain the first sealing
Insulating part, the second sealing insulator, the 3rd sealing insulator and the 4th sealing insulator, finally obtain integrally formed lithium battery
Sealed cover plate structure.
The first ceramic body and the second ceramic body in the present invention, negative pole pole is by the first ceramic body and substrate interference fit
It is integrated；Positive Poles are integrated by the second ceramic body with substrate interference fit, are crossed high-tension current and are caused that substrate instantaneous heat is swollen
It is swollen, so that substrate tight swollen is integrated with after the first ceramic body, the second ceramic body interference fit respectively；Make full use of aluminium base
Plasticity make that the first ceramic body, the second ceramic body are complete to be closely integrated with aluminium base assembling.
The present invention is by aluminium base and the first ceramic body, the second ceramic body interference fit, cathode pole piece and negative pole pole
Welded top is integrated, and anode pole piece is integrated with the welded top of Positive Poles so that the inside and outside connection conducting of lithium battery；First
Ceramic body, the second ceramic body have good insulation properties and high temperature resistant chemical stability, it is ensured that the security performance of battery, extend lithium
The service life of battery.
In sum, the characteristics of present invention has good insulation preformance, process is simple.
Brief description of the drawings
Fig. 1 is the schematic front view of one embodiment of the invention.
Fig. 2 is the A-A in Fig. 1 to cut-away illustration.
Fig. 3 is enlarged diagram at the B in Fig. 2.
Fig. 4 is the schematic rear view of Fig. 1.
In figure：1 is cathode pole piece, and 2 is the first sealing insulator, and 3 is substrate, and 4 is the second sealing insulator, and 5 is first
Ceramic body, 6 is negative pole pole, and 7 is the first sealing ring, and 8 is anode pole piece, and 9 is the 3rd sealing insulator, and 10 is that the 4th sealing is exhausted
Edge part, 11 is the second ceramic body, and 12 is Positive Poles, and 13 is the second sealing ring.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Referring to Fig. 1-Fig. 4, the sealed cover plate structure of this lithium battery, including negative pole pole 6 and positive pole on the substrate 3 are set
Pole 12, also including the first ceramic body 5 and the second ceramic body 11, negative pole pole 6 is matched somebody with somebody by the first ceramic body 5 with the interference of substrate 3
It is integrated；Positive Poles 12 are integrated by the second ceramic body 11 with the interference fit of substrate 3.
In the present embodiment, the first ceramic body 5 and the second ceramic body 11 can be using oxide, nitride or carbide potteries
Porcelain.First ceramic body 5 and the second ceramic body 11 have smooth outer surface respectively.
The sealed cover plate structure of described lithium battery, also including cathode pole piece 1 and anode pole piece 8, the first ceramic body 5 is arranged
At the middle part of negative pole pole 6, cathode pole piece 1 is integrated with the welded top of negative pole pole 6, and the second ceramic body 11 is set in positive pole
The middle part of pole 12, anode pole piece 8 is integrated with the welded top of Positive Poles 12.
The sealed cover plate structure of described lithium battery, also including the first sealing insulator 2 and the 3rd sealing insulator 9, the
One sealing insulator 2 is set in the top of negative pole pole 6 and is crimped on the side of substrate 3, is provided with the first sealing insulator 2
First detent, cathode pole piece 1 is embedded in the first detent；3rd sealing insulator 9 is set in Positive Poles 12
Top and the side of substrate 3 is crimped on, the 3rd detent is provided with the 3rd sealing insulator 9, anode pole piece 8 is embedded
In three detents.
The sealed cover plate structure of described lithium battery, also including the second sealing insulator 4 and the 4th sealing insulator 10, the
Two sealing insulators 4 be set in the middle and lower part of negative pole pole 6 and be crimped on the opposite side of substrate 3 and negative pole pole 6 bottom it
Between, the second detent is provided with the second sealing insulator 4, the bottom of negative pole pole 6 is embedded in the second detent；The
The inwall of two sealing insulators 4 is resisted against on the outer wall of the first ceramic body 5；4th sealing insulator 10 is set in Positive Poles 12
Middle and lower part and it is crimped between the bottom of the opposite side of substrate 3 and Positive Poles 12, is provided with the 4th sealing insulator 10
Four detents, the bottom of Positive Poles 12 is embedded in the 4th detent；The inwall of the 4th sealing insulator 10 is resisted against
On the outer wall of two ceramic bodies 11.
The sealed cover plate structure of described lithium battery, also including the first sealing ring 7 and the second sealing ring 13, the first sealing ring
7 are set in the bottom of the first ceramic body 5 and are crimped between substrate 3, the sealing insulator 4 of negative pole pole 6 and second；Second sealing
Circle 13 is set in the bottom of the second ceramic body 11 and is crimped between substrate 3, the sealing insulator 10 of Positive Poles 12 and the 4th.
The first centre bore for inserting negative pole pole 6 is provided with first ceramic body 5, is set on the second ceramic body 11
The second centre bore for inserting Positive Poles 12 is equipped with, the first centre bore and the second centre bore are respectively circular hole or elliptical aperture；
Substrate 3 is metal substrate.In the present embodiment, metal substrate can select aluminium base or copper base.
The ceramic body 11 of first ceramic body 5 and second is in respectively inverted T-shaped.
It is separately provided for inserting the first pilot hole of the first ceramic body 5 on the substrate 3 and is made pottery for inserting second
Second pilot hole of porcelain body 11.
The ceramic body 11 of first ceramic body 5 and second is in respectively inverted T-shaped.
The first pilot hole, the second pilot hole on the first above-mentioned ceramic body 5 and the external diameter and substrate 3 of the second ceramic body 11
Internal diameter size size according to can actually adjust.
A kind of preparation method of the sealed cover plate structure of lithium battery, comprises the following steps：
, be inserted into the first ceramic body 5 in first pilot hole of substrate 3 first by step one, and the second ceramic body 11 is inserted
In the second pilot hole of substrate 3；
Step 2, the first sealing ring 7 is set in the bottom of the first ceramic body 5, and the second sealing ring 13 is set in into second
The bottom of ceramic body 11；
, then be inserted into negative pole pole 6 in first centre bore of the first ceramic body 5 by step 3, and Positive Poles 12 are inserted
In the second centre bore of the second ceramic body 11；
Step 4, high-tension current is passed through towards substrate 3, by high-tension current so that substrate 3 moment thermal expansion, so that base
Plate 3 tight swollen is integrated with after the first ceramic body 5, the interference fit of the second ceramic body 11 respectively；
, with the welded top of negative pole pole 6 be integrated cathode pole piece 1 by Laser Welding by step 5, by anode pole piece 8 with
The welded top of Positive Poles 12 is integrated；Obtain treating moulding；
Step 6, will treat that moulding loads in mould, and the both sides to substrate 3 carry out high-pressure injection moulding sealing, respectively obtain the
One sealing insulator 2, the second sealing insulator 4, the 3rd sealing insulator 9 and the 4th sealing insulator 10, finally obtain one
The sealed cover plate structure of the lithium battery of shaping.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of sealed cover plate structure of lithium battery, including it is arranged on negative pole pole (6) and Positive Poles on substrate (3)
(12), it is characterized in that also including the first ceramic body (5) and the second ceramic body (11),
Negative pole pole (6) is integrated by the first ceramic body (5) with substrate (3) interference fit；
Positive Poles (12) are integrated by the second ceramic body (11) with substrate (3) interference fit.
2. the sealed cover plate structure of lithium battery according to claim 1, it is characterized in that also including cathode pole piece (1) and positive pole
Pole piece (8),
First ceramic body (5) is set in the middle part of negative pole pole (6), and cathode pole piece (1) is with the welded top of negative pole pole (6)
Integrally,
Second ceramic body (11) is set in the middle part of Positive Poles (12), and anode pole piece (8) is welded with the top of Positive Poles (12)
It is connected in one.
3. the sealed cover plate structure of lithium battery according to claim 2, it is characterized in that also including the first sealing insulator (2)
With the 3rd sealing insulator (9),
First sealing insulator (2) is set in the top of negative pole pole (6) and is crimped on the side of substrate (3), and the first sealing is exhausted
The first detent is provided with edge part (2), cathode pole piece (1) is embedded in the first detent；
3rd sealing insulator (9) is set in the top of Positive Poles (12) and is crimped on the side of substrate (3), and the 3rd sealing is exhausted
The 3rd detent is provided with edge part (9), anode pole piece (8) is embedded in the 3rd detent.
4. the sealed cover plate structure of lithium battery according to claim 2, it is characterized in that also including the second sealing insulator (4)
With the 4th sealing insulator (10),
Second sealing insulator (4) is set in the middle and lower part of negative pole pole (6) and is crimped on opposite side and the negative pole pole of substrate (3)
Between the bottom of post (6), the second detent is provided with the second sealing insulator (4), the bottom of negative pole pole (6) is embedded
In second detent；The inwall of the second sealing insulator (4) is resisted against on the outer wall of the first ceramic body (5)；
4th sealing insulator (10) is set in Positive Poles (12) middle and lower part and is crimped on opposite side and the positive pole pole of substrate (3)
Between the bottom of post (12), the 4th detent is provided with the 4th sealing insulator (10), Positive Poles (12) bottom is embedded
In the 4th detent；The inwall of the 4th sealing insulator (10) is resisted against on the outer wall of the second ceramic body (11).
5. the sealed cover plate structure of lithium battery according to claim 4, it is characterized in that also including the first sealing ring (7) and the
Two sealing rings (13),
First sealing ring (7) is set in the bottom of the first ceramic body (5) and to be crimped on substrate (3), negative pole pole (6) close with second
Between envelope insulating part (4)；
Second sealing ring (13) is set in the bottom of the second ceramic body (11) and is crimped on substrate (3), Positive Poles (12) and the
Between four sealing insulators (10).
6. the sealed cover plate structure of lithium battery according to claim 2, it is characterized in that being set on first ceramic body (5)
There is the first centre bore for inserting negative pole pole (6), be provided with the second ceramic body (11) for inserting Positive Poles (12)
The second centre bore, the first centre bore and the second centre bore are respectively circular hole or elliptical aperture；Substrate (3) is metal substrate.
7. the sealed cover plate structure of lithium battery according to claim 2, it is characterized in that first ceramic body (5) and second
Ceramic body (11) is in respectively inverted T-shaped.
8. the sealed cover plate structure of lithium battery according to claim 1, it is characterized in that being respectively arranged with the substrate (3)
The first pilot hole and the second pilot hole for the second ceramic body of inserting (11) for inserting the first ceramic body (5).
9. the sealed cover plate structure of lithium battery according to claim 1, it is characterized in that first ceramic body (5) and second
Ceramic body (11) is in respectively inverted T-shaped.
10. a kind of preparation method of the sealed cover plate structure of lithium battery as claimed in claim 1, it is characterized in that including following step
Suddenly：
, be inserted into the first ceramic body (5) in the first pilot hole of substrate (3) first by step one, and the second ceramic body (11) is inserted
In the second pilot hole of substrate (3)；
Step 2, high-tension current is passed through towards substrate (3), by high-tension current so that substrate (3) moment thermal expansion, so that base
Plate (3) tight swollen is integrated with after the first ceramic body (5), the second ceramic body (11) interference fit respectively；
Step 3, the first sealing ring (7) is set in the bottom of the first ceramic body (5), and the second sealing ring (13) is set in into
The bottom of two ceramic bodies (11)；
, then be inserted into negative pole pole (6) in the first centre bore of the first ceramic body (5) by step 4, by Positive Poles (12)
It is inserted into the second centre bore of the second ceramic body (11)；
, with the welded top of negative pole pole (6) be integrated cathode pole piece (1) by Laser Welding by step 5, by anode pole piece (8)
Welded top with Positive Poles (12) is integrated；Obtain treating moulding；
Step 6, will treat that moulding loads in mould, and the both sides to substrate (3) carry out high-pressure injection moulding, respectively obtain the first sealing
Insulating part (2), the second sealing insulator (4), the 3rd sealing insulator (9) and the 4th sealing insulator (10), finally obtain one
The sealed cover plate structure of body formed lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044648.2A CN106784450A (en) | 2017-01-19 | 2017-01-19 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044648.2A CN106784450A (en) | 2017-01-19 | 2017-01-19 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106784450A true CN106784450A (en) | 2017-05-31 |
Family
ID=58945233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710044648.2A Pending CN106784450A (en) | 2017-01-19 | 2017-01-19 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302065A (en) * | 2017-06-26 | 2017-10-27 | 湖南三迅新能源科技有限公司 | Battery cover board and its processing method |
| CN107394066A (en) * | 2017-06-26 | 2017-11-24 | 湖南三迅新能源科技有限公司 | Battery cover board and its processing method |
| CN109546018A (en) * | 2018-11-27 | 2019-03-29 | 欣旺达电子股份有限公司 | Battery cap and the power battery for using the battery cap |
| CN109585762A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of battery combination connection sheet |
| CN113270695A (en) * | 2021-06-24 | 2021-08-17 | 天能帅福得能源股份有限公司 | Square aluminum-shell battery cover plate |
| CN113707978A (en) * | 2021-09-15 | 2021-11-26 | 安徽庐江凯胜新能源科技有限公司 | High-safety battery top cover and processing method thereof |
| WO2023070970A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery, and power consuming device |
| US11715867B2 (en) | 2020-04-17 | 2023-08-01 | Contemporary Amperex Technology Co., Limited | End cover assembly, battery cell, battery module and device |
| CN118412622A (en) * | 2024-07-02 | 2024-07-30 | 浙江晶科储能有限公司 | Battery cell assembly method, battery cell and energy storage device |
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| US11715867B2 (en) | 2020-04-17 | 2023-08-01 | Contemporary Amperex Technology Co., Limited | End cover assembly, battery cell, battery module and device |
| CN113270695A (en) * | 2021-06-24 | 2021-08-17 | 天能帅福得能源股份有限公司 | Square aluminum-shell battery cover plate |
| CN113707978A (en) * | 2021-09-15 | 2021-11-26 | 安徽庐江凯胜新能源科技有限公司 | High-safety battery top cover and processing method thereof |
| WO2023070970A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery, and power consuming device |
| CN118412622A (en) * | 2024-07-02 | 2024-07-30 | 浙江晶科储能有限公司 | Battery cell assembly method, battery cell and energy storage device |
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Address after: The town of Nanhai District, Guangdong city of Foshan province Cunlang 528000 Luo Sha Industrial Zone Applicant after: GUANGDONG KANGRONG HIGH-TECH NEW MATERIAL CO.,LTD. Address before: The town of Nanhai District, Guangdong city of Foshan province Cunlang 528226 Luo Sha Industrial Zone Applicant before: Kangrong Fine Ceramic Co.,Ltd. |
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Application publication date: 20170531 |
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