CN208655822U - A kind of cylinder solid state battery - Google Patents
A kind of cylinder solid state battery Download PDFInfo
- Publication number
- CN208655822U CN208655822U CN201820041624.1U CN201820041624U CN208655822U CN 208655822 U CN208655822 U CN 208655822U CN 201820041624 U CN201820041624 U CN 201820041624U CN 208655822 U CN208655822 U CN 208655822U
- Authority
- CN
- China
- Prior art keywords
- solid
- state battery
- positive electrode
- electrode layer
- cylindrical
- 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
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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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Abstract
The utility model discloses a kind of cylindrical solid state batteries, include coiled solid-state battery structure, cylindrical tube, cylindrical housings and sealing cover, the solid electrolyte of the solid-state battery structure is arranged to concaveconvex structure, and insulating liquid is filled between the cylindrical tube, cylindrical housings；The solid state battery of the utility model, on the one hand by the way that solid electrolyte is arranged to concaveconvex structure, enhance its with just, cohesive force between negative electrode layer, reduce a possibility that being detached between electrode layer, on the other hand, by the pressurized fluid that is arranged between cylindrical tube and cylindrical housings to uniformly applied pressure around solid-state battery structure, pressure is evenly transferred to solid electrolyte and positive electrode active materials, contact interface between negative electrode active material, to reduce the interface resistance between it, and then improve the output power of solid state battery, improve battery performance.
Description
Technical field
The utility model relates to field of batteries, are related to a kind of cylindrical solid state battery.
Background technique
Battery meets the demand that can carry voltage by converting electrical energy into chemical energy.Existing battery includes very much
Seed type, and wherein solid state battery is because it becomes with better safety and stability than more attractive.It is existing solid
State battery is essentially all to be formed by sedimentation or sputtering method compressed in layers, positive electrode layer, positive electrode layer and the solid of formation
Cohesive force between electrolyte layer is insufficient, so that mutual cohesive force is insufficient, is easy to happen disengaging, influences cell performance
Can, meanwhile, positive electrode layer, positive electrode layer and solid electrolyte therebetween, since electrolyte uses solid electrolyte, electricity
Constitute solid solid interface between Xie Zhiyu positive electrode layer, electrolyte and positive electrode layer, and the ionic conduction resistance at solid solid interface
It is easy to increase, to influence the chemical property of solid state battery.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, provide a kind of electrode layer by layer between cohesive force it is stronger
And the cylindrical solid state battery with low interfacial resistance, the technical solution of the cylinder solid state battery are achieved in that
It is a kind of cylinder solid state battery, including coiled solid-state battery structure, cylindrical tube, cylindrical housings and
Sealing cover, the solid-state battery structure include the solid between positive electrode layer and positive electrode layer and positive electrode layer and positive electrode layer
Electrolyte, the solid electrolyte two sides are set as concaveconvex structure, and the positive electrode layer includes plus plate current-collecting body and positive-active
Material layer, the positive electrode layer include negative current collector and anode active material layer, and the anode active material layer and cathode are living
Property material layer is set as the concaveconvex structure to match with the solid electrolyte concaveconvex structure, the positive electrode layer, solid electrolytic
By winding method formation solid-state battery structure, the solid-state battery structure is contained in the cylindrical tube for matter and positive electrode layer
Interior, the cylindrical tube is arranged in circular cylindrical shell body, filled with insulation between the cylindrical tube and cylindrical housings
Liquid, the upper opening between cylindrical tube and cylindrical housings pass through seal cap sealing.
Further, the negative current collector is copper foil, and the plus plate current-collecting body is aluminium foil.
Further, the insulating liquid is that have non-volatile and non-flame properties liquid.
Further, the sealing cover is made of nickel steel material.
Further, the concaveconvex structure of the solid electrolyte is dove-tail form concaveconvex structure.
The solid state battery of the utility model, on the one hand by the way that solid electrolyte is arranged to concaveconvex structure, enhance its with just,
Cohesive force between negative electrode layer reduces a possibility that being detached between electrode layer, on the other hand, by being arranged in cylinder
Pressurized fluid between shape cylinder and cylindrical housings uniformly passes pressure to uniformly applied pressure around solid-state battery structure
The contact interface being delivered between solid electrolyte and positive electrode active materials, negative electrode active material, to reduce the interface between it
Resistance, and then improve the output power of solid state battery, improve battery performance.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model solid state battery；
Fig. 2 is the layered structure schematic diagram of the utility model solid-state battery structure.
Appended drawing reference: 1- solid-state battery structure, 2- cylindrical tube, 3- cylindrical housings, 4- insulating liquid, 5- sealing
Lid, 11- plus plate current-collecting body, 12- anode active material layer, 13- solid electrolyte, 14- anode active material layer, 15- cathode collection
Fluid, 16- positive electrode layer, 17- positive electrode layer.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1~2, a kind of cylinder solid state battery, including coiled solid-state battery structure 1, cylindrical tube
2, cylindrical housings 3 and sealing cover 5, the solid-state battery structure 1 include positive electrode layer 16 and positive electrode layer 17 and positive electricity
Solid electrolyte 13 between pole layer 16 and positive electrode layer 17,13 two sides of solid electrolyte are set as concaveconvex structure, described
Positive electrode layer 16 includes plus plate current-collecting body 11 and anode active material layer 12, and the positive electrode layer 17 includes 15 He of negative current collector
Anode active material layer 14, the anode active material layer 12 and anode active material layer 14 are set as and the solid electrolyte
The concaveconvex structure that 13 concaveconvex structure matches, the positive electrode layer 16, solid electrolyte 13 and positive electrode layer 17 pass through winding
Mode forms solid-state battery structure 1, and the solid-state battery structure 1 is contained in the cylindrical tube 2, the cylindrical tube
2 are arranged in cylindrical housings 3, and insulating liquid 4, cylindrical tube are filled between the cylindrical tube 2 and cylindrical housings 3
Upper opening between body 2 and cylindrical housings 3 is sealed by sealing cover 4.
When it is implemented, the negative current collector 15 is copper foil, the plus plate current-collecting body 11 is aluminium foil.
When it is implemented, the insulating liquid 4 is that have non-volatile and non-flame properties liquid.
When it is implemented, the insulating liquid 4 can be mineral oil, alkylbenzene, polybutene, alkylnaphthalene, silicone oil etc..
When it is implemented, the sealing cover 5 is made of nickel steel material.
When it is implemented, the concaveconvex structure of the solid electrolyte 13 is dove-tail form concaveconvex structure.
The technology contents and technical characteristic of the utility model have revealed that as above those skilled in the art still may base
In the utility model teaching and make the replacement and modification without departing substantially from the utility model in essence, therefore, the utility model protection
Range is not limited to the revealed content of embodiment, also includes various replacements and modification without departing substantially from the utility model in essence.
Claims (5)
1. a kind of cylinder solid state battery, it is characterised in that: including coiled solid-state battery structure, cylindrical tube, cylinder
Shape shell and sealing cover, the solid-state battery structure include positive electrode layer and positive electrode layer and positive electrode layer and positive electrode layer
Between solid electrolyte, the solid electrolyte two sides are set as concaveconvex structure, and the positive electrode layer includes plus plate current-collecting body
And anode active material layer, the positive electrode layer include negative current collector and anode active material layer, the positive electrode active materials
Layer and anode active material layer are set as the concaveconvex structure to match with the solid electrolyte concaveconvex structure, the positive electrode
Layer, solid electrolyte and positive electrode layer form solid-state battery structure by winding method, and the solid-state battery structure is contained in institute
State in cylindrical tube body, the cylindrical tube is arranged in circular cylindrical shell body, the cylindrical tube and cylindrical housings it
Between be filled with insulating liquid, the upper opening between cylindrical tube and cylindrical housings passes through seal cap sealing.
2. cylinder solid state battery according to claim 1, it is characterised in that: the negative current collector is copper foil, described
Plus plate current-collecting body is aluminium foil.
3. it is according to claim 1 cylinder solid state battery, it is characterised in that: the insulating liquid be have it is non-volatile
With non-flame properties liquid.
4. cylinder solid state battery according to claim 1, it is characterised in that: the sealing cover is made of nickel steel material
's.
5. cylinder solid state battery according to claim 1, it is characterised in that: the concaveconvex structure of the solid electrolyte is
Dove-tail form concaveconvex structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820041624.1U CN208655822U (en) | 2018-01-11 | 2018-01-11 | A kind of cylinder solid state battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820041624.1U CN208655822U (en) | 2018-01-11 | 2018-01-11 | A kind of cylinder solid state battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655822U true CN208655822U (en) | 2019-03-26 |
Family
ID=65771596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820041624.1U Expired - Fee Related CN208655822U (en) | 2018-01-11 | 2018-01-11 | A kind of cylinder solid state battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208655822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116666774A (en) * | 2023-07-25 | 2023-08-29 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery and electric equipment |
-
2018
- 2018-01-11 CN CN201820041624.1U patent/CN208655822U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116666774A (en) * | 2023-07-25 | 2023-08-29 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |