CN2833898Y - Lithium ion battery cover plate component and battery - Google Patents
Lithium ion battery cover plate component and battery Download PDFInfo
- Publication number
- CN2833898Y CN2833898Y CNU2005200352647U CN200520035264U CN2833898Y CN 2833898 Y CN2833898 Y CN 2833898Y CN U2005200352647 U CNU2005200352647 U CN U2005200352647U CN 200520035264 U CN200520035264 U CN 200520035264U CN 2833898 Y CN2833898 Y CN 2833898Y
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- cover plate
- insulating trip
- board assembly
- 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.)
- Expired - Lifetime
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a cover plate component of a lithium ion battery, which comprises a pole plate, an upper insulation piece, a cover plate and a lower insulation piece which are matched in turn, wherein the pole plate is provided with a charge hole, the cover plate, the upper and the lower insulation pieces are respectively provided with corresponding through holes, and the pole plate is also provided with a boss around the charge hole. The boss penetrates the upper insulation piece, the cover plate and the lower insulation piece in turn, the end part of the boss is turned outward, and the components are connected together. The utility model provides the lithium ion battery which adopts the cover plate component. The utility model has the advantages that the boss extending from the charge hole of the pole plate is adopted to carry out the connection of the entire cover plate component, and the riveting mode is adopted to cause the cover plate component to be fixed integrally. The utility model has simple structure and effectively reduces the thickness of the cover plate, and the connection is compact and reliable.
Description
[technical field]
The utility model relates to the lithium-ion electric pool technology, is specifically related to a kind of lithium ion battery cover board assembly and adopts the battery of this cover plate assembly.
[background technology]
Lithium ion battery is widely used on notebook computer, video camera, digital camera, PDA (personal digital assistant) and other communication terminal product.Its specification is many, application is wide, demand is big.With the column lithium ion battery is example, occurred the battery of liquid injection hole in cover plate assembly central authorities, but connected mode is complicated between the each several part of its cover plate assembly, causes complex structure, and cover plate is too thick, poor sealing performance.
[summary of the invention]
The purpose of this utility model provides a kind of lithium ion battery cover board assembly of simple in structure, good seal performance and adopts the battery of this cover plate assembly.
In order to achieve the above object, technical solution adopted in the utility model is: a kind of lithium ion battery cover board assembly, comprise the pole plate that cooperates successively, last insulating trip, cover plate and following insulating trip, described pole plate is provided with liquid injection hole, described cover plate and upper and lower insulating trip are provided with corresponding through hole, also be provided with the boss of ring liquid injection hole on the described pole plate, this boss passes insulating trip, cover plate and following insulating trip successively, and its end outwards turnover links together said modules.
Preferably, the end of described boss is provided with axial gap, with convenient outwards turnover.
Preferably, the wall thickness of described boss is to the end from the root that is positioned at pole plate and reduces trend.For example, the axial section of its inwall can be for step-like or horn-like.
Preferably, it is poroid to cooperate the position of insulating trip to be countersunk head on the described cover plate.
Above-mentioned cover plate assembly also can comprise the lug extension stem, which is provided with through hole, and described boss passes down the through hole that also wears behind the insulating trip on the described lug extension stem.
Further, above-mentioned cover plate assembly also can comprise annular gasket, is arranged on down between insulating trip and the lug extension stem or lug extension stem below, and described boss also wears described annular gasket.
Be the purpose of this utility model, a kind of lithium ion battery also is provided, comprise battery container and the electric core and the electrolyte that are contained in wherein, described battery container adopts above-mentioned lithium ion battery cover board assembly to encapsulate.
Adopt technique scheme, the utility model beneficial technical effects is: 1) adopt the boss that extends the pole plate liquid injection hole to carry out the connection of whole cover plate assembly, adopt riveted way that cover plate assembly is fixed as one, the cover sheet thickness that effectively reduces not only simple in structure, and connect closely reliable.2) lug extension stem also riveting is gone into cover plate assembly, can when battery is assembled, improve being connected of lug and cover plate, make more convenient to operate.3) increase annular gasket and can well improve the riveted joint effect, effectively avoid insulating trip or lug elongated end to be stabbed by the riveted joint flange of boss.4) begin wall thickness from root and be the boss that reduces trend, its end turnover is easier.5) the poroid assembling position of countersunk head on the cover plate, the assembling that can conveniently go up insulating trip and pole plate improves sealing property, reduces cover plate assembly thickness.
Also the utility model is described in further detail in conjunction with the accompanying drawings below by embodiment.
[description of drawings]
Fig. 1 is a kind of lithium ion battery cover board assembly plan view;
Fig. 2 is the A-A cutaway view of lithium ion battery cover board assembly among Fig. 1;
Fig. 3 is a lithium ion battery cover board assembly upward view among Fig. 1;
Fig. 4 be among Fig. 1 pole plate along the centre bore cutaway view;
Fig. 5 is a kind of lithium ion battery structure schematic diagram.
[embodiment]
Embodiment one, a kind of lithium ion battery cover board assembly as Fig. 1～shown in Figure 4, comprise pole plate 3, go up insulating trip 1, cover plate 4, the annular gasket 6 and the lug extension stem 9 of insulating trip 5, metal material down.Above-mentioned each parts are equipped with successively.Pole plate 3 is provided with liquid injection hole 2, and last insulating trip 1, cover plate 4, following insulating trip 5, annular gasket 6 and lug extension stem 9 are provided with corresponding through hole; Also be provided with the boss 7 of ring liquid injection hole 2 on the pole plate 3, this boss 7 passes insulating trip 1, cover plate 4, following insulating trip 5, annular gasket 6 and lug extension stem 9 successively, and its end 8 outwards turnover links together said modules.The axial section of boss 7 inwalls is step-like, makes its end 8 form thin sidewall, convenient riveted joint.It is poroid to cooperate the position of insulating trip 1 to be countersunk head on the cover plate 4, and the assembling of insulating trip 1 and pole plate 3 on the convenience effectively improves sealing property, reduces cover plate assembly thickness.
Boss adopts step-like inwall to reduce end portion thickness in the foregoing description, also can adopt thick thin down shape on other, and is for example horn-like, in addition, is turnover and the riveted joint that makes things convenient for the end, also can adopt the method that axial gap is set on the end.In addition, annular gasket can be arranged on the lug extension stem and also can be provided with thereunder, even is provided with simultaneously up and down, mainly is for fear of the damage of riveted joint to lug extension stem and following insulation spacer, prevents short circuit.
Embodiment two, a kind of lithium ion battery as shown in Figure 5, comprise aluminium cell casing 11, electric core, electrolyte (not drawing in the drawings) and cover plate assembly.Electricity core and electrolyte are accommodated in the battery container 11, and electric core is reeled by positive plate 12, barrier film 13 and negative plate 14 and formed, and cover plate assembly has the structure described in the embodiment one.Lug 10 of drawing in the electricity core and 9 welding of the lug extension stem in the cover plate assembly, the cover plate 4 in the cover plate assembly and the welding of housing 11 upper ends, sealing plug 15 shutoff liquid injection holes 2.
Though the foregoing description only is circular cover assembly and cylindrical battery, rectangular cell cover plate assembly, the rectangular cell of similar means are suitable equally; In addition, cover plate is connected the employing welding with housing in the above-described embodiments, traditionally the housing roll-in is gone out step certainly, and flange seals also and can realize; Protection range of the present utility model should be as the criterion with claim.
Claims (10)
1, a kind of lithium ion battery cover board assembly, comprise the pole plate that cooperates successively, last insulating trip, cover plate and following insulating trip, described pole plate is provided with liquid injection hole, described cover plate and upper and lower insulating trip are provided with corresponding through hole, it is characterized in that: the boss that also is provided with the ring liquid injection hole on the described pole plate, this boss passes insulating trip, cover plate and following insulating trip successively, and its end outwards turnover links together said modules.
2, lithium ion battery cover board assembly as claimed in claim 1, it is characterized in that: the end of described boss is provided with axial gap.
3, lithium ion battery cover board assembly as claimed in claim 1 is characterized in that: the wall thickness of described boss is to the end from the root that is positioned at pole plate and reduces trend.
4, lithium ion battery cover board assembly as claimed in claim 3 is characterized in that: the axial section of described boss inwall is step-like or horn-like.
5, as any described lithium ion battery cover board assembly of claim 1～4, it is characterized in that: it is poroid to cooperate the position of insulating trip to be countersunk head on the described cover plate.
6, as any described lithium ion battery cover board assembly of claim 1～4, it is characterized in that: also comprise the lug extension stem, which is provided with through hole, described boss passes down the through hole that also wears behind the insulating trip on the described lug extension stem.
7, lithium ion battery cover board assembly as claimed in claim 5 is characterized in that: also comprise the lug extension stem, which is provided with through hole, described boss passes down the through hole that also wears behind the insulating trip on the described lug extension stem.
8, lithium ion battery cover board assembly as claimed in claim 6 is characterized in that: also comprise annular gasket, be arranged on down between insulating trip and the lug extension stem or lug extension stem below that described boss also wears described annular gasket.
9, lithium ion battery cover board assembly as claimed in claim 7 is characterized in that: also comprise annular gasket, be arranged on down between insulating trip and the lug extension stem or lug extension stem below that described boss also wears described annular gasket.
10, a kind of lithium ion battery comprises battery container and the electric core and the electrolyte that are contained in wherein, and it is characterized in that: described battery container adopts the described lithium ion battery cover board assembly of above-mentioned any claim to encapsulate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200352647U CN2833898Y (en) | 2005-08-19 | 2005-08-19 | Lithium ion battery cover plate component and battery |
| PCT/CN2006/000931 WO2007019754A1 (en) | 2005-08-19 | 2006-05-09 | Cover plate assembly for lithium ion battery, and battery using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200352647U CN2833898Y (en) | 2005-08-19 | 2005-08-19 | Lithium ion battery cover plate component and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2833898Y true CN2833898Y (en) | 2006-11-01 |
Family
ID=37198211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200352647U Expired - Lifetime CN2833898Y (en) | 2005-08-19 | 2005-08-19 | Lithium ion battery cover plate component and battery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2833898Y (en) |
| WO (1) | WO2007019754A1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826602A (en) * | 2009-03-06 | 2010-09-08 | 深圳市比克电池有限公司 | Storage battery end cover, shell and storage battery |
| CN102208575A (en) * | 2011-04-22 | 2011-10-05 | 宁波世捷新能源科技有限公司 | Novel lithium ion battery cover plate |
| CN101752611B (en) * | 2008-12-04 | 2012-11-28 | 深圳市比克电池有限公司 | Lithium battery |
| WO2013000414A1 (en) * | 2011-06-28 | 2013-01-03 | Shenzhen Byd Auto R&D Company Limited | Cover assembly and battery comprising the same |
| CN103378321A (en) * | 2012-04-20 | 2013-10-30 | 比亚迪股份有限公司 | Cover plate component and battery with same |
| CN107634156A (en) * | 2017-09-07 | 2018-01-26 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
| CN111613739A (en) * | 2020-06-03 | 2020-09-01 | 珠海冠宇电池股份有限公司 | Button cell, manufacturing method thereof and electronic equipment |
| CN112531242A (en) * | 2020-12-04 | 2021-03-19 | 珠海冠宇电池股份有限公司 | Button cell and electronic equipment |
| CN113013524A (en) * | 2021-02-23 | 2021-06-22 | 珠海冠宇电池股份有限公司 | Battery case and battery |
| WO2021244272A1 (en) * | 2020-06-03 | 2021-12-09 | 珠海冠宇电池股份有限公司 | Button-type battery and electronic device |
| WO2023283762A1 (en) * | 2021-07-12 | 2023-01-19 | Hefei Gotion High-Tech Power Energy Co., Ltd. | Cylindrical battery cell, battery and method for forming cylindrical battery cell |
| CN117276821A (en) * | 2023-10-24 | 2023-12-22 | 安徽力翔电池科技有限公司 | Battery top cover with pole with liquid injection hole and forming method thereof |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
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| CN101305481B (en) | 2005-09-02 | 2011-01-12 | A123系统公司 | Battery cell design and method of its construction |
| CN101399323B (en) * | 2007-09-27 | 2013-06-12 | 深圳市比克电池有限公司 | Cover board component for battery |
| CN107808949A (en) * | 2017-10-19 | 2018-03-16 | 江西恒动新能源有限公司 | A kind of power lithium-ion battery cover plate monopole post draws negative end plate square structure |
| CN107833989A (en) * | 2017-10-19 | 2018-03-23 | 江西恒动新能源有限公司 | A kind of power lithium-ion battery cover plate positive end plate boss integral structure |
| CN112490544A (en) * | 2020-12-03 | 2021-03-12 | 惠州市恒泰科技股份有限公司 | Battery, first shell assembly and preparation process thereof |
| CN213816269U (en) * | 2020-12-21 | 2021-07-27 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
| CN114156527B (en) * | 2021-12-03 | 2024-01-26 | 合肥国轩高科动力能源有限公司 | Lithium battery structure and assembly method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3494607B2 (en) * | 1999-01-28 | 2004-02-09 | 日本碍子株式会社 | Lithium secondary battery |
| CN2569352Y (en) * | 2001-07-04 | 2003-08-27 | 深圳市比亚迪锂电池有限公司 | Cylindrical type lithium ion cell |
| CN2511007Y (en) * | 2001-12-10 | 2002-09-11 | 张兆谟 | Cylindrical lithium ion cell core |
| CN2578995Y (en) * | 2002-09-19 | 2003-10-08 | 深圳华粤宝电池有限公司 | Cylindrical lithium ionic battery |
| JP4294341B2 (en) * | 2003-02-26 | 2009-07-08 | 株式会社日立製作所 | Sealed battery and its manufacturing method |
-
2005
- 2005-08-19 CN CNU2005200352647U patent/CN2833898Y/en not_active Expired - Lifetime
-
2006
- 2006-05-09 WO PCT/CN2006/000931 patent/WO2007019754A1/en active Application Filing
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752611B (en) * | 2008-12-04 | 2012-11-28 | 深圳市比克电池有限公司 | Lithium battery |
| CN101826602A (en) * | 2009-03-06 | 2010-09-08 | 深圳市比克电池有限公司 | Storage battery end cover, shell and storage battery |
| CN101826602B (en) * | 2009-03-06 | 2013-12-18 | 深圳市比克电池有限公司 | Storage battery end cover, shell and storage battery |
| CN102208575A (en) * | 2011-04-22 | 2011-10-05 | 宁波世捷新能源科技有限公司 | Novel lithium ion battery cover plate |
| WO2013000414A1 (en) * | 2011-06-28 | 2013-01-03 | Shenzhen Byd Auto R&D Company Limited | Cover assembly and battery comprising the same |
| US10333131B2 (en) | 2011-06-28 | 2019-06-25 | Byd Company Limited | Cover assembly and battery comprising the same |
| CN103378321A (en) * | 2012-04-20 | 2013-10-30 | 比亚迪股份有限公司 | Cover plate component and battery with same |
| CN107634156A (en) * | 2017-09-07 | 2018-01-26 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
| CN111613739A (en) * | 2020-06-03 | 2020-09-01 | 珠海冠宇电池股份有限公司 | Button cell, manufacturing method thereof and electronic equipment |
| WO2021244272A1 (en) * | 2020-06-03 | 2021-12-09 | 珠海冠宇电池股份有限公司 | Button-type battery and electronic device |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
| CN111613739B (en) * | 2020-06-03 | 2024-05-24 | 珠海冠宇电池股份有限公司 | Button cell, manufacturing method thereof and electronic equipment |
| CN112531242A (en) * | 2020-12-04 | 2021-03-19 | 珠海冠宇电池股份有限公司 | Button cell and electronic equipment |
| CN113013524A (en) * | 2021-02-23 | 2021-06-22 | 珠海冠宇电池股份有限公司 | Battery case and battery |
| WO2023283762A1 (en) * | 2021-07-12 | 2023-01-19 | Hefei Gotion High-Tech Power Energy Co., Ltd. | Cylindrical battery cell, battery and method for forming cylindrical battery cell |
| CN117276821A (en) * | 2023-10-24 | 2023-12-22 | 安徽力翔电池科技有限公司 | Battery top cover with pole with liquid injection hole and forming method thereof |
| CN117276821B (en) * | 2023-10-24 | 2024-09-27 | 安徽力翔电池科技有限公司 | Battery top cover with pole with liquid injection hole and forming method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007019754A1 (en) | 2007-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHANG SHUQUAN Free format text: FORMER OWNER: ZHOU JIPING Effective date: 20120420 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 132000 JILIN, JILIN PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120420 Address after: Yantian District of Shenzhen City, Guangdong province 518000 Dameisha East Coast Building 211 Room 606 Patentee after: Zhang Shuquan Address before: 132000 62-2-25, Xinfa street, Tongjiang street, Jilin, Jilin, China Patentee before: Zhou Jiping |
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| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN DRN BATTERY CO., LTD. Free format text: FORMER OWNER: ZHANG SHUQUAN Effective date: 20130815 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130815 Address after: 518000, Shenzhen, Guangdong hi tech Zone, Nanshan District, North West Road, 2, East Information Port R & D building, three floor, 305B Patentee after: Shenzhen Del Energy Battery Co., Ltd. Address before: Yantian District of Shenzhen City, Guangdong province 518000 Dameisha East Coast Building 211 Room 606 Patentee before: Zhang Shuquan |
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| CX01 | Expiry of patent term |
Expiration termination date: 20150819 Granted publication date: 20061101 |
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