CN205508890U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN205508890U CN205508890U CN201620306075.7U CN201620306075U CN205508890U CN 205508890 U CN205508890 U CN 205508890U CN 201620306075 U CN201620306075 U CN 201620306075U CN 205508890 U CN205508890 U CN 205508890U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- cover plate
- housing
- lower cover
- 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 - Fee Related
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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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model belongs to the technical field of lithium ion battery, especially, relate to a lithium ion battery, including upper cover plate, lower apron, casing and naked electric core, upper and lower apron respectively the cap seal in the upper and lower both ends of casing, naked electric core is located in the casing, the upper and lower end of casing respectively with the edge of upper and lower apron overlaps to roll up to seal to be connected. The utility model discloses use to roll up to seal to replace the tradition mode of sealing, improved and sealed efficiency, reduced manufacturing cost, can improve the gas tightness of sealing moreover, avoid the emergence of weeping.
Description
Technical field
This utility model belongs to technical field of lithium ion, particularly relates to a kind of lithium ion battery.
Background technology
Lithium ion battery is a kind of secondary cell (rechargeable battery), and it relies primarily on lithium ion and at positive pole and bears
Move work between pole.In charge and discharge process, Li+Come and go between two electrodes and embed and deintercalation: fill
During electricity, Li+From positive pole deintercalation, embedding negative pole through electrolyte, negative pole is in rich lithium state；Then phase during electric discharge
Instead.Battery typically uses the material containing elemental lithium as electrode, is the representative of modern high performance battery.
Lithium ion battery owing to having the advantages such as lightweight, volume is little, capacitance is relatively big, charging rate is fast,
It is widely used on all kinds of numbers, the communication products such as notebook computer.And along with the energy lacks and environment
Highlighting of pollution problem, lithium ion battery has become as current trend as the new type power energy.
Lithium ion battery develops into now, the main mode using machinery sealing and laser seal, traditional machine
Tool sealing mode, reaches the purpose of sealing together with cap sealed circle squeezed tight by box hat jet-bedding, this
Kind of machinery sealing, the requirement to the material of sealing ring, sealing process is the highest, and there is bigger leakage hidden danger.
Laser seal be then aluminum hull is linked together by lf reach sealing purpose, aluminum hull cover plate with
Surface at housing seal is to be insulated, due to aluminum hull cover plate by the insulated enclosure circle of riveting around pole
Cost, add that sealing device is required and put into higher, directly affects the cost of battery core, these are in certain journey
The development of lithium ion battery is hampered on degree.
Utility model content
Technical problem to be solved in the utility model is, it is provided that a kind of lithium ion battery, it is intended to make lithium from
The battery core sealing leak of sub-battery is more preferable, and production cost is low, battery operated safety and stability.
For solving above-mentioned technical problem, this utility model is achieved in that a kind of lithium ion battery, including
Upper cover plate, lower cover, housing and naked battery core, described upper and lower cover plate cover respectively be encapsulated in described housing upper,
Lower two ends, described naked battery core is positioned at described housing, it is characterised in that: the upper and lower end of described housing is respectively
Imbricate seaming with described upper and lower cover plate is connected.
Further, the upper and lower end of described housing respectively with described upper and lower side edge thereof through the most curved
Collapse envelope, or bend seaming through several times.
Further, in described seaming, housing top and bottom are respectively provided at the interior of upper cover plate and lower cover
Side.
Further, the edge of described upper and lower cover plate each extends over out the upper and lower end of described housing, and
Respectively the upper and lower end of described housing is rolled up and put wherein.
Further, described surface of shell is coated with insulating coating.
Further, described upper cover plate and lower cover main body are metal level, at described upper cover plate and lower cover
Upper and lower surface is all provided with insulating barrier.
Further, described insulating barrier is fixed together by injection with metal level.
Further, described naked battery core upper end is connected with described upper cover plate by lug, described naked battery core lower end
By confluxing, sheet is connected with described lower cover.
Further, the periphery of described lug or the sheet that confluxes is coated with insulation gummed paper.
Further, described upper cover plate or lower cover are provided with explosion-proof valve.
Further, the pressure design load of described explosion-proof valve maximum safety pressure force value internal with battery core is equal.
This utility model compared with prior art, has the beneficial effects that:
This utility model uses seaming sealing to replace tradition sealing mode, improves sealing efficiency, decreases life
Produce cost, and the air-tightness of sealing can be improved, it is to avoid the generation of leakage.
Accompanying drawing explanation
Fig. 1 is longitudinal cross-sectional schematic of this utility model one embodiment；
Fig. 2 is Fig. 1 seaming structure partial enlarged diagram；
In figure: 1-housing 2-upper cover plate 3-lower cover 4-naked battery core 11-insulating coating 21-metal
Layer 22-insulating barrier
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
As it is shown in figure 1, a kind of lithium ion battery, including upper cover plate 2, lower cover 3, housing 1 and naked battery core
5, upper and lower cover plate covers the upper/lower terminal being encapsulated in housing 1 respectively, and naked battery core 5 is positioned at housing 1, housing
The upper and lower end of 1 is connected with the imbricate seaming of upper and lower cover plate respectively.The upper and lower end of housing 1 is respectively
Bend seaming through several times with upper and lower side edge thereof, or bend seaming through several times.In seaming,
Housing 1 top and bottom are respectively provided at upper cover plate 2 and the inner side of lower cover 3.The edge of upper and lower cover plate divides
Do not extend the upper and lower end of housing 1, and respectively the upper and lower end volume of housing is put wherein.
This utility model uses seaming sealing to replace tradition sealing mode, improves sealing efficiency, decreases life
Produce cost, and the air-tightness of sealing can be improved, it is to avoid the generation of leakage.
Carrying out bending after being overlapped with side edge thereof housing 1 end, during coincidence, side edge thereof length is longer than shell
Body 1 end so that housing 1 end is wrapped up by side edge thereof so that sealing effectiveness is more preferable.
Housing 1 Surface coating has insulating coating 11, relative to box hat nickel plating technology, low cost, and corrosion resistant
Erosion property is more preferable, moreover it is possible to play the effect of insulation.
In the present embodiment, upper cover plate 2 and lower cover 3 main body are metal level 21, at upper cover plate 2 and lower cover
The upper and lower surface of metal level 21 of 3 is all provided with insulating barrier 22, and insulating barrier 22 and metal level 21 are solid by injection
Being scheduled on together, insulating barrier 22 is plastics or rubber, by the way of insulation between cover plate and housing 1, makes
Housing 1 is not charged, reduces the risk of tradition box hat battery core short circuit, and covering plate structure is simple, compared to
Traditional aluminum hull side edge thereof is by generating anodized insulation or using box hat block cost lower.Certainly, on
Cover plate 2 and lower cover 3 can also use aluminum hull cover plate.
Naked battery core 5 upper end is connected with upper cover plate 2 by lug, and naked battery core 5 lower end is by sheet and the lower cover of confluxing
Plate 3 connects, or is the most all connected by lug, or is all connected by the sheet that confluxes, lug or the sheet that confluxes
Periphery be coated with insulation gummed paper.
Upper cover plate 2 or lower cover 3 are provided with explosion-proof valve (not shown), and explosion-proof valve passes through CNC
(Computerized Numerical Control Machine computer digital control machine tool) processing is at lid
On plate, the pressure design load of explosion-proof valve maximum safety pressure force value internal with battery core is equal, when battery core is intrinsic pressure bigger
Time, wash explosion-proof valve open and reach the purpose of pressure release so that be battery operated safer stable.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (10)
1. a lithium ion battery, including upper cover plate, lower cover, housing and naked battery core, described upper and lower cover
Plate covers the upper/lower terminal being encapsulated in described housing respectively, and described naked battery core is positioned at described housing, and its feature exists
In: the upper and lower end of described housing, imbricate seaming with described upper and lower cover plate is connected respectively.
A kind of lithium ion battery the most according to claim 1, it is characterised in that: described housing upper,
Lower end bends seaming respectively with described upper and lower side edge thereof through several times, or bends volume through several times
Envelope.
A kind of lithium ion battery the most according to claim 2, it is characterised in that: in described seaming,
Housing top and bottom are respectively provided at the inner side of upper cover plate and lower cover.
A kind of lithium ion battery the most according to claim 2, it is characterised in that: described upper and lower cover plate
Edge each extend over out the upper and lower end of described housing, and respectively the upper and lower end of described housing is rolled up
Put wherein.
5. according to a kind of lithium ion battery described in any one of Claims 1-4, it is characterised in that: described
Surface of shell is coated with insulating coating.
6. according to the arbitrary described a kind of lithium ion battery of Claims 1-4, it is characterised in that: on described
Cover plate and lower cover main body are metal level, are all provided with insulation on the upper and lower surface of described upper cover plate and lower cover
Layer.
A kind of lithium ion battery the most according to claim 6, it is characterised in that: described insulating barrier and gold
Belong to layer to be fixed together by injection.
A kind of lithium ion battery the most according to claim 1, it is characterised in that: described naked battery core upper end
Being connected with described upper cover plate by lug, described naked battery core lower end is connected with described lower cover by the sheet that confluxes.
A kind of lithium ion battery the most according to claim 8, it is characterised in that: described lug or conflux
The periphery of sheet is coated with insulation gummed paper.
A kind of lithium ion battery the most according to claim 1, it is characterised in that: described upper cover plate or
Lower cover is provided with explosion-proof valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306075.7U CN205508890U (en) | 2016-04-13 | 2016-04-13 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306075.7U CN205508890U (en) | 2016-04-13 | 2016-04-13 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205508890U true CN205508890U (en) | 2016-08-24 |
Family
ID=56712833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620306075.7U Expired - Fee Related CN205508890U (en) | 2016-04-13 | 2016-04-13 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205508890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507932A (en) * | 2017-06-28 | 2017-12-22 | 中航锂电（江苏）有限公司 | A kind of novel metal casing lithium battery and its cold sealing process of occlusion |
| CN108963118A (en) * | 2018-07-18 | 2018-12-07 | 北京小米移动软件有限公司 | Battery core shell, battery and electronic equipment |
-
2016
- 2016-04-13 CN CN201620306075.7U patent/CN205508890U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507932A (en) * | 2017-06-28 | 2017-12-22 | 中航锂电（江苏）有限公司 | A kind of novel metal casing lithium battery and its cold sealing process of occlusion |
| CN107507932B (en) * | 2017-06-28 | 2024-05-10 | 中创新航科技股份有限公司 | Novel metal shell lithium battery and occlusion cold sealing process thereof |
| CN108963118A (en) * | 2018-07-18 | 2018-12-07 | 北京小米移动软件有限公司 | Battery core shell, battery and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shaanxi Voight new energy Co., Ltd. Assignor: Shenzhen Optimum Battery Co., Ltd. Contract record no.: 2016440020093 Denomination of utility model: Process for preparing C/C composition used for negative electrode of lithium ion bettery Granted publication date: 20160824 License type: Common License Record date: 20161021 Assignee: Jingzhou waltmal Battery Co., Ltd. Assignor: Shenzhen Optimum Battery Co., Ltd. Contract record no.: 2016440020094 Denomination of utility model: Process for preparing C/C composition used for negative electrode of lithium ion bettery Granted publication date: 20160824 License type: Common License Record date: 20161024 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170313 Address after: 714000 Shaanxi high tech Zone in Weinan City, Qin Yu Lu No. 2 Patentee after: Shaanxi Voight new energy Co., Ltd. Address before: 518000 Guangdong province Shenzhen Pingshan New District No. 68 North Road, Yu Lan Jing deep science and Technology Park Patentee before: Shenzhen Optimum Battery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20160824 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160824 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |