CN2896533Y - Square lithium-ion cell-lid assembly and cell using same - Google Patents
Square lithium-ion cell-lid assembly and cell using same Download PDFInfo
- Publication number
- CN2896533Y CN2896533Y CNU2005201364694U CN200520136469U CN2896533Y CN 2896533 Y CN2896533 Y CN 2896533Y CN U2005201364694 U CNU2005201364694 U CN U2005201364694U CN 200520136469 U CN200520136469 U CN 200520136469U CN 2896533 Y CN2896533 Y CN 2896533Y
- Authority
- CN
- China
- Prior art keywords
- hole
- cover plate
- lithium ion
- cell
- plate 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
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 49
- 239000007924 injection Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000003792 electrolyte Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 26
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 18
- 238000005086 pumping Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a plate component for a square lithium ion cell, which includes a housing, a metal sheet, a rivet, an insulative sheet and an injection hole. The model is characterized that the plate is arranged with a pylome. The utility model also discloses a square lithium ion cell which applies the plate component. By arranging another pylome on the plate, the cell undertakes the vacuuming procedure and the injecting procedure at separate locations during liquid injection, thereby reducing the time of cell injection and promoting the injection efficiency. Simultaneously, the electrolyte will be injected into the cell at one time after vacuuming to ensure the precision of cell injection amount, to improve the consistency of the cell.
Description
[technical field]
The utility model relates to the rectangular lithium ion battery structure, is specifically related to the rectangular lithium ion battery cover plate assembly and uses its battery.
[technical background]
The liquid lithium ion secondary cell is being represented the advanced level of current chemical power source development as the new green environment protection battery.Because lithium ion battery has advantages such as high-energy-density, long circulation life, memory-less effect, safety nuisance free and quick charge and discharge, be widely used in the electronic devices such as video camera, notebook computer at present, and progressively expanded range of application to fields such as electric bicycle, electric automobiles.Not only to the positive and negative electrode material of battery, the equipment of electrolyte and lithium battery has carried out big quantity research and the structure of lithium ion battery has been carried out a large amount of improvement the various countries researcher.At present, rectangular lithium ion battery comprises a housing, a cover plate assembly, a battery and electrolyte, this housing and cover plate assembly are formed a seal cavity, and this battery and electrolyte are contained in the sealing space, and this battery comprises positive and negative electrode and the connection lug that is connected this positive and negative electrode respectively.As shown in Figure 1, cover plate assembly comprises the liquid injection hole 5 on sheet metal 1, coupling assembling rivet 2, PVC insulating trip 3 and 6, cover plate 4 and the cover plate.During battery liquid-filling the fluid injection syringe needle is inserted in the liquid injection hole, vacuumize, then a certain amount of electrolyte is injected in the battery, vacuumize, a certain amount of electrolyte that reinjects is filled with up to electrolyte and so forth.The battery that uses this cover plate is when fluid injection, and fluid injection and vacuumizing in same hole is carried out, and has prolonged the fluid injection time, and because fluid injection several times causes reservoir quantity inaccurate.
[utility model content]
The purpose of this utility model is the deficiency at such scheme, proposes a kind ofly can make things convenient for quick fluid injection and can guarantee reservoir quantity rectangular lithium ion battery cover plate assembly accurately, and uses the lithium ion battery of this cover plate.
For achieving the above object, the utility model is taked following technical scheme:
A kind of rectangular lithium ion battery cover plate assembly comprises cover board body, sheet metal, rivet, insulating trip and liquid injection hole, it is characterized in that: also be provided with a through hole on the cover plate assembly.
The corresponding liquid injection hole of this through hole is arranged on the opposite side of rivet.
This through hole also can be arranged between rivet and the liquid injection hole.
The size of described through hole is identical with the liquid injection hole size.
A kind of rectangular lithium ion battery, it comprises a housing, a cover plate assembly, a battery and electrolyte, this housing and cover plate assembly are formed a seal cavity, described cover plate assembly comprises cover board body, sheet metal, rivet, insulating trip and liquid injection hole, it is characterized in that: also be provided with a through hole on the cover plate assembly.
The corresponding liquid injection hole of this through hole is arranged on the opposite side of rivet.
This through hole also can be arranged between rivet and the liquid injection hole.
The size of described through hole is identical with the liquid injection hole size.
Adopt technique scheme, the useful technique effect that is produced is: by a through hole is set on cover plate assembly in addition, make battery when fluid injection, vacuumizing step carries out in different places respectively with the fluid injection step, reduced the battery liquid-filling time, improved fluid injection efficient, vacuumized simultaneously in the disposable injection battery of back electrolyte, can guarantee that the battery liquid-filling amount is accurate, improve the consistency of battery.
[description of drawings]
Fig. 1 is the widely used rectangular lithium ion battery cover plate of a prior art cutaway view;
Fig. 2 is the rectangular lithium ion battery cover plate cutaway view that present embodiment 1 provides;
Fig. 3 is the rectangular lithium ion battery cover plate cutaway view that present embodiment 2 provides;
[embodiment]
Embodiment 1
As shown in Figure 2, a kind of rectangular lithium ion battery cover plate assembly comprises cover board body 4, sheet metal 1, rivet 2, insulating trip 3 and 6 and liquid injection hole 5, corresponding to liquid injection hole 5, also is provided with through hole 7 at the opposite side of rivet 2.A kind of rectangular lithium ion battery, it comprises a housing, a cover plate assembly, a battery and electrolyte, this housing and cover plate assembly are formed a seal cavity, battery is reeled by barrier film and positive/negative plate and is formed, be welded with positive and negative lug on the positive/negative plate, positive and negative lug is electrically connected with cover board body and the sheet metal that is riveted on the cover board body respectively during assembled battery.
As shown in Figure 3, a kind of rectangular lithium ion battery cover plate assembly comprises cover board body 4, sheet metal 1, rivet 2, insulating trip 3 and 6 and liquid injection hole 5, also is provided with through hole 7 between rivet 2 and liquid injection hole 5.A kind of rectangular lithium ion battery, it comprises a housing, a cover plate assembly, a battery and electrolyte, this housing and cover plate assembly are formed a seal cavity, battery is reeled by barrier film and positive/negative plate and is formed, be welded with positive and negative lug on the positive/negative plate, positive and negative lug is electrically connected with cover board body and the sheet metal that is riveted on the cover board body respectively during assembled battery.
To vacuumize syringe needle and fluid injection syringe needle during battery liquid-filling and insert respectively in through hole 7 and the liquid injection hole 5, close the valve of fluid injection syringe needle, start vacuum extractor, battery vacuum-pumping; The work of the machine of fluid injection simultaneously starts the height above sea level pump and squeezes into a certain amount of electrolyte to the fluid injection syringe.Behind the battery vacuum-pumping, close vacuum pumping valve, open fluid injection syringe needle valve, in the disposable injection battery of the electrolyte in the fluid injection syringe.
By a through hole on the cover board is set in addition, make battery when fluid injection, vacuumizing step carries out in different places respectively with the fluid injection step, reduced the battery liquid-filling time, improved fluid injection efficient, vacuumize simultaneously in the disposable injection battery of back electrolyte, can guarantee that the battery liquid-filling amount is accurate, improved the consistency of battery.
Claims (8)
1, a kind of rectangular lithium ion battery cover plate assembly comprises cover board body, sheet metal, rivet, insulating trip and liquid injection hole, it is characterized in that: also be provided with a through hole on the cover plate assembly.
2, rectangular lithium ion battery cover plate assembly according to claim 1 is characterized in that: the corresponding liquid injection hole of described through hole is arranged on the opposite side of rivet.
3, rectangular lithium ion battery cover plate assembly according to claim 1, it is characterized in that: described through hole is arranged between rivet and the liquid injection hole.
4, according to claim 2 or 3 described rectangular lithium ion battery cover plate assemblies, it is characterized in that: the size of described through hole is identical with the liquid injection hole size.
5, a kind of rectangular lithium ion battery, it comprises a housing, a cover plate assembly, a battery and electrolyte, this housing and cover plate assembly are formed a seal cavity, described cover plate assembly comprises cover board body, sheet metal, rivet, insulating trip and liquid injection hole, it is characterized in that: also be provided with a through hole on the cover plate assembly.
6, lithium ion battery according to claim 5 is characterized in that: the corresponding liquid injection hole of described through hole is arranged on the opposite side of rivet.
7, lithium ion battery according to claim 5 is characterized in that: described through hole is arranged between rivet and the liquid injection hole.
8, according to claim 6 or 7 described lithium ion batteries, it is characterized in that: the size of described through hole is identical with the liquid injection hole size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201364694U CN2896533Y (en) | 2005-11-29 | 2005-11-29 | Square lithium-ion cell-lid assembly and cell using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201364694U CN2896533Y (en) | 2005-11-29 | 2005-11-29 | Square lithium-ion cell-lid assembly and cell using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2896533Y true CN2896533Y (en) | 2007-05-02 |
Family
ID=38066106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201364694U Expired - Lifetime CN2896533Y (en) | 2005-11-29 | 2005-11-29 | Square lithium-ion cell-lid assembly and cell using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2896533Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416445A (en) * | 2019-07-23 | 2019-11-05 | 湖北锂诺新能源科技有限公司 | Diplopore lithium ion cover board and its rocking chair type priming device and method |
-
2005
- 2005-11-29 CN CNU2005201364694U patent/CN2896533Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416445A (en) * | 2019-07-23 | 2019-11-05 | 湖北锂诺新能源科技有限公司 | Diplopore lithium ion cover board and its rocking chair type priming device and method |
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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: TIANJIN HUAXIA HONGYUAN INDUSTRIAL CO.,LTD. Free format text: FORMER OWNER: BIKE CELL CO., LTD., SHENZHEN Effective date: 20140110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518119 SHENZHEN, GUANGDONG PROVINCE TO: 300000 BAODI, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140110 Address after: 300000 Tianjin Industrial Park, Baodi District, No. nine road, No. 9 Patentee after: Tianjin Huaxia Hongyuan Industrial Co., Ltd. Address before: Kwai Chung street Beek Industrial Park in Longgang District of Shenzhen City, Guangdong province 518119 Patentee before: Shenzhen Bak Battery Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Chunguang Document name: Notification of Passing Examination on Formalities |
|
| ASS | Succession or assignment of patent right |
Owner name: CHINA BAK ASIA HOLDINGS LIMITED Free format text: FORMER OWNER: TIANJIN HUAXIA HONGYUAN INDUSTRIAL CO.,LTD. Effective date: 20140521 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300000 BAODI, TIANJIN TO: 518119 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140521 Address after: 518119 Beek Industrial Zone, Kwai Chung street, Dapeng New District, Guangdong, Shenzhen Patentee after: China Beek Asia Holding Limited Address before: 300000 Tianjin Industrial Park, Baodi District, No. nine road, No. 9 Patentee before: Tianjin Huaxia Hongyuan Industrial Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BAK POWER BATTERY CO., LTD. Free format text: FORMER OWNER: CHINA BAK ASIA HOLDINGS LIMITED Effective date: 20140625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518119 SHENZHEN, GUANGDONG PROVINCE TO: 116000 DALIAN, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140625 Address after: 116000, A1-148 office, office building, Garden Economic Zone, Dalian, Liaoning Patentee after: DALIAN BAK POWER BATTERY CO., LTD. Address before: 518119 Beek Industrial Zone, Kwai Chung street, Dapeng New District, Guangdong, Shenzhen Patentee before: China Beek Asia Holding Limited |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070502 |
|
| EXPY | Termination of patent right or utility model |