CN204441366U - A kind of lithium battery structure with special barrier film - Google Patents
A kind of lithium battery structure with special barrier film Download PDFInfo
- Publication number
- CN204441366U CN204441366U CN201420873499.2U CN201420873499U CN204441366U CN 204441366 U CN204441366 U CN 204441366U CN 201420873499 U CN201420873499 U CN 201420873499U CN 204441366 U CN204441366 U CN 204441366U
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- CN
- China
- Prior art keywords
- barrier film
- lithium
- metal oxide
- oxide film
- perforated membrane
- 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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- 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
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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a kind of lithium battery structure with special barrier film, comprise positive pole, negative pole, electrolyte and barrier film, barrier film is located between positive pole and negative pole, barrier film is three layers, described barrier film comprises lithium metal oxide film and perforated membrane, and lithium metal oxide film is located between two-layer perforated membrane.The utility model can effectively prevent other metal ion transport, extends circulating battery useful life.
Description
Technical field
The utility model relates to secondary cell field, what be specifically related to is a kind of lithium battery structure with special barrier film.
Background technology
Due to lithium battery there is high-energy-density, high voltage, have extended cycle life, memory-less effect, the advantage such as quick charge, nowadays lithium battery, particularly lithium ion battery, be widely used in the association area such as computer, mobile phone.The outstanding performance of lithium battery makes it in electric motor car, have huge potentiality, but the service life cycle of lithium battery still can not reach the requirement of electric motor car at present.One of them problem is exactly that generation chemical transport in lithium battery (lithium-sulfur cell, lithium-air battery, lithium ion battery) inside causes positive pole or the reaction of negative pole generation parasitic chemical, such as at inside battery, the metal ion dissolved moves to negative pole from positive pole, the integrality on infringement solid electrolyte surface.Due to the minimizing of active ion, battery capacity declines.If so this chemical reaction can reduce or eliminate, so will greatly improve in battery capacity and useful life.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of lithium battery structure with special barrier film, utilize and comprise structure control electrical conductivity that is relatively thin, independently barrier film, reduce metal ion to flow between a positive electrode and a negative electrode, thus solve the technical problem that battery capacity declines, service life cycle reduces.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of lithium battery structure with special barrier film, comprise positive pole, negative pole, electrolyte and barrier film, wherein barrier film is located between positive pole and negative pole, barrier film is made up of trilamellar membrane, and described barrier film comprises lithium metal oxide film and perforated membrane, and lithium metal oxide film is located between two-layer perforated membrane.Lithium metal oxide film atresia, only allows lithium ion to pass through.Lithium metal oxide film mixes ion and the electronics of multiple conduction, and lithium burning film thickness is 2 microns ~ 200 microns.Described perforated membrane has resistance function, prevents internal short-circuit of battery.
As preferably, lithium metal oxide film uses lithium battery anode or negative material to make.
As preferably, lithium metal oxide film conductance is 10
-5~ 10
-2s/cm.
As preferably, lithium metal oxide film can be used for polytype batteries such as lithium ion battery, lithium-sulfur cell, lithium-air battery.
The utility model can effectively prevent other metal ion transport, extends circulating battery useful life.
Accompanying drawing explanation
Fig. 1 is a kind of lithium battery structure embodiment one structural representation with special barrier film.
Wherein: 1, negative pole, 2 first perforated membranes, 3, lithium ion metal oxide film, the 4, second perforated membrane, 5, positive pole.
Fig. 2 is a kind of lithium battery structure embodiment two structural representation with special barrier film.
Wherein: 2, the first perforated membrane, the 4, second perforated membrane, 6, lithium-ion negative pole, the 8, first lithium ion metal oxide film, the 10, second lithium ion metal oxide film.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
Embodiment one
Consult Fig. 1, a kind of lithium battery structure with special barrier film, comprise positive pole 5, negative pole 1, electrolyte and barrier film.Wherein element sulphur is as anode 5, and lithium metal is as battery cathode 1, and described barrier film comprises lithium metal oxide film 3, first perforated membrane 2 and the second perforated membrane 4, and lithium metal oxide film 3 is located between the first perforated membrane 2 and the second perforated membrane 4.Lithium metal oxide film 3 atresia, only allows lithium ion to pass through.Lithium metal oxide film 3 mixes ion and the electronics of multiple conduction, and thickness is 200 microns.Described perforated membrane 2,4 has resistance function, prevents internal short-circuit of battery.
In concrete enforcement, lithium metal oxide film 3 conductance is 10
-3s/cm.
Embodiment two
There is a lithium battery structure for special barrier film, comprise lithium-ion negative pole 6, electrolyte and barrier film.Wherein lithium ion is as battery cathode, second lithium metal oxide film 10 is anode, described barrier film comprises the first lithium metal oxide film 8, first perforated membrane 2 and the second perforated membrane 4, first lithium metal oxide film 8 is located between the first perforated membrane 2 and the second perforated membrane 4.
In concrete enforcement, the second lithium metal oxide film 10 can be made up of any positive electrode.
In concrete enforcement, lithium metal oxide film conductance is 10
-3s/cm.
In concrete enforcement, thickness is 30 microns.
Claims (1)
1. one kind has the lithium battery structure of special barrier film, comprise positive pole, negative pole, electrolyte, characterized by further comprising barrier film, described barrier film is located between positive pole and negative pole, described barrier film comprises lithium metal oxide film and perforated membrane, and lithium metal oxide film is located between two-layer perforated membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873499.2U CN204441366U (en) | 2014-12-31 | 2014-12-31 | A kind of lithium battery structure with special barrier film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873499.2U CN204441366U (en) | 2014-12-31 | 2014-12-31 | A kind of lithium battery structure with special barrier film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441366U true CN204441366U (en) | 2015-07-01 |
Family
ID=53609195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420873499.2U Expired - Fee Related CN204441366U (en) | 2014-12-31 | 2014-12-31 | A kind of lithium battery structure with special barrier film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321391A (en) * | 2018-01-24 | 2018-07-24 | 安徽安凯汽车股份有限公司 | A kind of novel graphite alkenyl total solids lithium metal battery and its working method |
| CN111433946A (en) * | 2017-12-04 | 2020-07-17 | 三星Sdi株式会社 | Negative electrode for lithium metal battery and lithium metal battery including the same |
-
2014
- 2014-12-31 CN CN201420873499.2U patent/CN204441366U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111433946A (en) * | 2017-12-04 | 2020-07-17 | 三星Sdi株式会社 | Negative electrode for lithium metal battery and lithium metal battery including the same |
| US11575130B2 (en) | 2017-12-04 | 2023-02-07 | Samsung Sdi Co., Ltd. | Negative electrode for lithium metal battery and lithium metal battery comprising same |
| CN111433946B (en) * | 2017-12-04 | 2023-11-07 | 三星Sdi株式会社 | Negative electrode for lithium metal battery and lithium metal battery including the same |
| US11876223B2 (en) | 2017-12-04 | 2024-01-16 | Samsung Sdi Co., Ltd. | Negative electrode for lithium metal battery and lithium metal battery comprising same |
| CN108321391A (en) * | 2018-01-24 | 2018-07-24 | 安徽安凯汽车股份有限公司 | A kind of novel graphite alkenyl total solids lithium metal battery and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cheng Haiyang Inventor before: Lv Chaobing |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160721 Address after: 100000 Beijing, Zhichun Road, No. 7, building, room No. D, room 2302 Patentee after: ZHONG NENG DONG DAO GROUP Co.,Ltd. Address before: Tianhe District city in Guangdong province Guangzhou Longkou West Road No. 2, Room 405, 510635 Patentee before: Lv Chaobing |
|
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Chengming Inventor before: Cheng Haiyang |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: Room 710, 701-712, juoyue Times Square building, No. 4068, Yitian Road, Futian community, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Lvting Power Technology Co.,Ltd. Address before: 100000, room 2302, block D, real building, No. 7, Haidian District, Beijing, Zhichun Road Patentee before: ZHONG NENG DONG DAO GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |