CN207265163U - A kind of graphene lithium battery structure - Google Patents
A kind of graphene lithium battery structure Download PDFInfo
- Publication number
- CN207265163U CN207265163U CN201721383419.5U CN201721383419U CN207265163U CN 207265163 U CN207265163 U CN 207265163U CN 201721383419 U CN201721383419 U CN 201721383419U CN 207265163 U CN207265163 U CN 207265163U
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- Prior art keywords
- collector
- lithium battery
- graphene
- battery structure
- layer
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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
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Abstract
The utility model discloses a kind of graphene lithium battery structure, including anode foil-like collector, negative electrode active material layer, dielectric substrate, positive electrode active material layer and cathode foil-like collector, a layer graphene layer is coated on the anode foil-like collector, the anode foil-like collector is additionally provided with protrusion, described raised to be internally formed raised through hole；The lithium battery structure of the utility model strengthens the electrical collector of plus plate current-collecting body by coating a layer graphene layer on plus plate current-collecting body, negative current collector is set into bulge-structure, not only add the current collection effect and specific surface area of collector, also so that lithium battery has more preferable charge-discharge performance during charge and discharge cycles, the probability of deterioration of battery is reduced, extends its service life.
Description
Technical field
Field of batteries is the utility model is related to, is related to a kind of graphene lithium battery structure.
Background technology
Lithium battery is to employ lithium metal or the battery of its compound, is used in the cathode, anode or electrolyte of battery
Lithium metal or its compound, have high storage energy density, have reached 460-600Wh/kg, be about 6-7 times of lead-acid battery；
Lithium battery passes through including two major class of lithium metal battery and lithium ion battery.With the development of microelectric technique, the equipment of miniaturization
It is increasing, more preferable requirement is proposed to power supply.
Graphene has higher charge carrier mobility, super good heat endurance and electrical conductivity, superelevation at room temperature
Young's modulus, the theoretical specific surface area of super large.Since graphene has unique performance, in energy storage and conversion art stone
Black alkene material has larger use potentiality.But how graphene is applied in lithium battery, it is that the technology for needing to solve is asked
Topic.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, there is provided a kind of graphene lithium battery structure, it is described
What the technical solution of graphene lithium battery structure was realized in：
A kind of graphene lithium battery structure, it is characterised in that：The graphene battery structure include anode foil-like collector,
Negative electrode active material layer, dielectric substrate, positive electrode active material layer and cathode foil-like collector, apply on the cathode foil-like collector
Cover a layer graphene layer, the anode foil-like collector is additionally provided with protrusion, described raised to be internally formed raised through hole.
Preferably, the raised shape can be taper or cylinder.
As preference, the raised height is 50~400 μm, the distance between described adjacent protrusion for 300~
2000μm。
Preferably, the dielectric substrate can be solid state thin-film electrolyte layer or liquid electrolyte.
Preferably, the graphene battery structure can be winding-structure or stepped construction.
As preference, the cathode foil-like collector is aluminium foil, the anode foil-like collector is copper foil.
The lithium battery structure of the utility model strengthens anode collection by coating a layer graphene layer on plus plate current-collecting body
The electrical collector of body, bulge-structure is set by negative current collector, is not only added the current collection effect and specific surface area of collector, is also made
Obtain lithium battery has more preferable charge-discharge performance during charge and discharge cycles, reduces the probability of deterioration of battery, extends it and use the longevity
Life.
Brief description of the drawings
Fig. 1 is the utility model battery structure schematic diagram
Reference numeral：1- anode foil-like collectors, 2- graphene layers, 3- negative electrode active material layers, 4- dielectric substrates, 5- is just
Pole active material layer, 6- cathode foil-like collectors, 11- is raised, 12- protrusion through holes.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of graphene lithium battery structure, the graphene battery structure include 1 collector of anode foil-like,
Negative electrode active material layer 3, dielectric substrate 4, positive electrode active material layer 5 and cathode foil-like collector 6, the cathode foil-like collector
A layer graphene layer 2 is coated on 6, the anode foil-like collector 1 is additionally provided with protrusion 11, and described raised 11 be internally formed is convex
Play through hole 12.
When it is implemented, raised 11 shape can be taper or cylinder.
When it is implemented, raised 11 height is 50~400 μm, the distance between described adjacent protrusion 11 is 300
~2000 μm.
When it is implemented, the dielectric substrate 3 can be solid state thin-film electrolyte layer or liquid electrolyte.
When it is implemented, the graphene battery structure can be winding-structure or stepped construction.
As preference, the cathode foil-like collector 6 is aluminium foil, the anode foil-like collector 1 is copper foil.
The technology contents and technical characteristic of the utility model have revealed that as above those skilled in the art still may base
The replacement and modification without departing substantially from the utility model in essence are made in the teaching of the utility model, therefore, the utility model protection
Scope is not limited to the revealed content of embodiment, also including various replacements and modification without departing substantially from the utility model in essence.
Claims (6)
- A kind of 1. graphene lithium battery structure, it is characterised in that：The graphene battery structure includes anode foil-like collector, bears Pole active material layer, dielectric substrate, positive electrode active material layer and cathode foil-like collector, coat on the cathode foil-like collector One layer graphene layer, the anode foil-like collector are additionally provided with protrusion, described raised to be internally formed raised through hole.
- 2. graphene lithium battery structure according to claim 1, it is characterised in that：The raised shape can be taper Or cylinder.
- 3. graphene lithium battery structure according to claim 1, it is characterised in that：The raised height is 50~400 μ The distance between m, the adjacent protrusion is 300~2000 μm.
- 4. graphene lithium battery structure according to claim 1, it is characterised in that：The dielectric substrate can be that solid-state is thin Film dielectric substrate or liquid electrolyte.
- 5. graphene lithium battery structure according to claim 1, it is characterised in that：The graphene battery structure can be Winding-structure or stepped construction.
- 6. graphene lithium battery structure according to claim 1, it is characterised in that：The cathode foil-like collector is aluminium Paper tinsel, the anode foil-like collector are copper foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383419.5U CN207265163U (en) | 2017-10-25 | 2017-10-25 | A kind of graphene lithium battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383419.5U CN207265163U (en) | 2017-10-25 | 2017-10-25 | A kind of graphene lithium battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265163U true CN207265163U (en) | 2018-04-20 |
Family
ID=61915896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721383419.5U Expired - Fee Related CN207265163U (en) | 2017-10-25 | 2017-10-25 | A kind of graphene lithium battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830757A (en) * | 2019-01-18 | 2019-05-31 | 京东方科技集团股份有限公司 | Solid lithium battery and preparation method thereof |
-
2017
- 2017-10-25 CN CN201721383419.5U patent/CN207265163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830757A (en) * | 2019-01-18 | 2019-05-31 | 京东方科技集团股份有限公司 | Solid lithium battery and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 4096, 4th Floor, 118-7, Building 118, No. 24, Fuxing Road, Haidian District, Beijing 100036 Patentee after: Zhongneng Guosheng power battery technology (Beijing) Co.,Ltd. Address before: 4096, 4th Floor, 118-7, Building 118, No. 24, Fuxing Road, Haidian District, Beijing 100036 Patentee before: ZHONG NENG GUO SHENG BATTERY TECHNOLOGY (BEIJING) CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221205 Address after: 518100 202-b, Youyi building, 1st lane, Dabao Road, zone 23, Dalang community, Xin'an street, Bao'an District, Shenzhen, Guangdong Province Patentee after: BOGAO Yunli Technology (Shenzhen) Co.,Ltd. Address before: 4096, 4th Floor, 118-7, Building 118, No. 24, Fuxing Road, Haidian District, Beijing 100036 Patentee before: Zhongneng Guosheng power battery technology (Beijing) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 |