CN208637537U - A kind of solid state battery of low interfacial resistance - Google Patents
A kind of solid state battery of low interfacial resistance Download PDFInfo
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- CN208637537U CN208637537U CN201820041654.2U CN201820041654U CN208637537U CN 208637537 U CN208637537 U CN 208637537U CN 201820041654 U CN201820041654 U CN 201820041654U CN 208637537 U CN208637537 U CN 208637537U
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- Prior art keywords
- solid
- state battery
- concaveconvex structure
- positive electrode
- electrode 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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- 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 solid state batteries of low interfacial resistance, including coiled solid-state battery structure, cylindrical housings and sealing cover, the negative current collector of solid-state battery structure, the positive and negative electrode collector, solid electrolyte are all provided with and are set to concaveconvex structure, solid-state battery structure is contained in inside cylindrical housings and with seal cap sealing, is provided with annular pressure band outside cylindrical housings；The solid state battery of the utility model, by the way that solid electrolyte and positive and negative anodes collector are arranged to concaveconvex structure, enhance its between positive and negative electrode electrode active material layers between cohesive force, reduce a possibility that being detached between electrode layer；By the annular pressure band that is arranged between cylindrical tube and cylindrical housings to uniformly applied pressure around solid-state battery structure, contact interface pressure being evenly transferred between solid electrolyte and positive electrode active materials, negative electrode active material, to reduce the interface resistance between it, battery performance is improved.
Description
Technical field
The utility model relates to field of batteries, are related to a kind of solid state battery of low interfacial resistance.
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 larger relative to solid liquid interface, it is also easy to increase in use process, 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 solid state battery with low interfacial resistance, the technical solution of the solid state battery of the low interfacial resistance are achieved in that
A kind of solid state battery of low interfacial resistance, including coiled solid-state battery structure, cylindrical housings and sealing
Lid, the solid-state battery structure includes the solid electrolytic between positive electrode layer and positive electrode layer and positive electrode layer and positive electrode layer
Matter, the solid electrolyte two sides are provided with the first 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, the plus plate current-collecting body and negative current collector
Be respectively set the second concaveconvex structure and third concaveconvex structure, the anode active material layer and anode active material layer be set as with
The first concaveconvex structure and plus plate current-collecting body and the second concaveconvex structure of negative current collector, third of the solid electrolyte are concave-convex
The concaveconvex structure that structure matches, the second concaveconvex structure of the plus plate current-collecting body and the third concaveconvex structure of negative current collector are
Correspond to each other setting, the first concaveconvex structure of the solid electrolyte and the second concaveconvex structure, the cathode collection of plus plate current-collecting body
The third concaveconvex structure of fluid be it is spaced, the positive electrode layer, solid electrolyte and positive electrode layer pass through winding method
Forming solid-state battery structure, the solid-state battery structure is contained in the circular cylindrical shell body and by the seal cap sealing on top,
It is additionally provided with around the cylindrical housings and the annular pressure band of uniform pressure is provided.
Further, the negative current collector is copper foil, and the plus plate current-collecting body is aluminium foil.
Further, first concaveconvex structure, the second concaveconvex structure, third concaveconvex structure shape can be it is identical
, it is also possible to different.
Further, first concaveconvex structure, the second concaveconvex structure, third concaveconvex structure shape can be triangle
Cone, cuboid, cylindrical tube, hemisphere or other similar concaveconvex structure.
Further, the annular pressure band can be set and overlay on the annular pressure band on cylindrical housings surface, can also be with
It is generally evenly distributed in the annular pressure band of cylindrical surface.
The solid state battery of the utility model, on the one hand by the way that solid electrolyte and positive and negative anodes collector are arranged to concave-convex knot
Structure, enhance its between positive and negative electrode electrode active material layers between cohesive force, reduce a possibility that being detached between electrode layer,
On the other hand, by the annular pressure band that is arranged between cylindrical tube and cylindrical housings to around solid-state battery structure
Apply pressure evenly, contact pressure being evenly transferred between solid electrolyte and positive electrode active materials, negative electrode active material
Interface to reduce the interface resistance between it, and then improves the output power of solid state battery, improves 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: 10- solid-state battery structure, 1- plus plate current-collecting body, 12- anode active material layer, 13- solid electrolytic
Matter, 14- anode active material layer, 15- negative current collector, 20- cylindrical housings, 30- sealing cover, 40- annular pressure band,
The second concaveconvex structure of 110-, the first concaveconvex structure of 130-, 150- third concaveconvex structure.
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 solid state battery of low interfacial resistance, including coiled solid-state battery structure 10, circle
Cylindrical shell 20 and sealing cover 30, the solid-state battery structure 10 include positive electrode layer and positive electrode layer and positive electrode layer and
Solid electrolyte 13 between positive electrode layer, 13 two sides of solid electrolyte are provided with the first concaveconvex structure 130, the positive electricity
Pole layer includes plus plate current-collecting body 11 and anode active material layer 12, and the positive electrode layer includes negative current collector 15 and negative electrode active
The second concaveconvex structure 110 and third concaveconvex structure is respectively set in material layer 14, the plus plate current-collecting body 11 and negative current collector 15
150, the anode active material layer 12 and anode active material layer 14 are set as the first bumps with the solid electrolyte 13
The second concaveconvex structure 110, the third concaveconvex structure 150 of structure 130 and plus plate current-collecting body 11 and negative current collector 15 match
Concaveconvex structure, the second concaveconvex structure 110 of the plus plate current-collecting body 11 and the third concaveconvex structure 150 of negative current collector 15 are
Correspond to each other setting, the second concaveconvex structure of the first concaveconvex structure 130 and plus plate current-collecting body 11 of the solid electrolyte 13
110, the third concaveconvex structure 150 of negative current collector 15 is spaced, the positive electrode layer, solid electrolyte 13 and negative electricity
Pole layer forms solid-state battery structure 10 by winding method, and the solid-state battery structure 10 is contained in the cylindrical housings 20
And sealed by the sealing cover on top 30, it is additionally provided with around the cylindrical housings 20 and the annular pressure band of uniform pressure is provided
40。
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 shape of first concaveconvex structure 130, the second concaveconvex structure 110, third concaveconvex structure 15-
It can be identical, be also possible to different.
When it is implemented, the shape of first concaveconvex structure 130, the second concaveconvex structure 110, third concaveconvex structure 150
It can be triangular pyramids, cuboid, cylindrical tube, hemisphere or other similar concaveconvex structure.
When it is implemented, first concaveconvex structure 130 is located at the second concaveconvex structure 110 and third concaveconvex structure 150
It is intermediate.
When it is implemented, the annular pressure band 40 can be the annular pressure band that set overlays on cylindrical housings surface,
The annular pressure band of cylindrical surface can be generally evenly distributed in.
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 solid state battery of low interfacial resistance, it is characterised in that: including coiled solid-state battery structure, cylindrical housings
And sealing cover, the solid-state battery structure include between positive electrode layer and positive electrode layer and positive electrode layer and positive electrode layer
Solid electrolyte, the solid electrolyte two sides are provided with the first concaveconvex structure, the positive electrode layer include plus plate current-collecting body and
Anode active material layer, the positive electrode layer include negative current collector and anode active material layer, the plus plate current-collecting body and negative
The second concaveconvex structure and third concaveconvex structure, the anode active material layer and anode active material layer is respectively set in pole collector
Be set as with the second concaveconvex structure of the first concaveconvex structure and plus plate current-collecting body of the solid electrolyte and negative current collector,
The concaveconvex structure that third concaveconvex structure matches, the second concaveconvex structure of the plus plate current-collecting body and the third of negative current collector are recessed
Male structure is to correspond to each other setting, the first concaveconvex structure of the solid electrolyte and the second concave-convex knot of plus plate current-collecting body
Structure, negative current collector third concaveconvex structure be it is spaced, the positive electrode layer, solid electrolyte and positive electrode layer pass through
Winding method forms solid-state battery structure, and the solid-state battery structure is contained in the circular cylindrical shell body and by the sealing on top
Lid seals, and is additionally provided with around the cylindrical housings and provides the annular pressure band of uniform pressure.
2. the solid state battery of low interfacial resistance according to claim 1, it is characterised in that: the negative current collector is copper
Foil, the plus plate current-collecting body are aluminium foil.
3. the solid state battery of low interfacial resistance according to claim 1, it is characterised in that: first concaveconvex structure,
Two concaveconvex structures, third concaveconvex structure shape can be identical, be also possible to different.
4. the solid state battery of low interfacial resistance according to claim 3, it is characterised in that: first concaveconvex structure,
Two concaveconvex structures, third concaveconvex structure shape can be triangular pyramids, cuboid, cylindrical tube, hemisphere.
5. the solid state battery of low interfacial resistance according to claim 1, it is characterised in that: the annular pressure band can be
Set overlays on the annular pressure band on cylindrical housings surface, is also possible to be evenly distributed on the annular pressure band of cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820041654.2U CN208637537U (en) | 2018-01-11 | 2018-01-11 | A kind of solid state battery of low interfacial resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820041654.2U CN208637537U (en) | 2018-01-11 | 2018-01-11 | A kind of solid state battery of low interfacial resistance |
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| Publication Number | Publication Date |
|---|---|
| CN208637537U true CN208637537U (en) | 2019-03-22 |
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| CN201820041654.2U Expired - Fee Related CN208637537U (en) | 2018-01-11 | 2018-01-11 | A kind of solid state battery of low interfacial resistance |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994011A (en) * | 2019-11-01 | 2020-04-10 | 华南理工大学 | Interlocking type all-solid-state lithium ion battery membrane blank and forming method and forming device thereof |
| CN111293317A (en) * | 2020-02-29 | 2020-06-16 | 天津国安盟固利新材料科技股份有限公司 | Multifunctional composite negative plate for chargeable and dischargeable solid battery, preparation method and secondary battery |
| CN111312991A (en) * | 2020-02-29 | 2020-06-19 | 天津国安盟固利新材料科技股份有限公司 | Chargeable and dischargeable solid battery and preparation method and application thereof |
| CN111312992A (en) * | 2020-02-26 | 2020-06-19 | 天津国安盟固利新材料科技股份有限公司 | Multifunctional composite positive plate for secondary battery, preparation method and secondary battery |
| CN111816883A (en) * | 2020-08-27 | 2020-10-23 | 清陶（昆山）能源发展有限公司 | Composite electrode plate, preparation method thereof and application thereof in solid-state battery |
| CN112086291A (en) * | 2019-06-13 | 2020-12-15 | 青岛九环新越新能源科技股份有限公司 | All-solid-state capacitor cell, laminated capacitor cell and composite capacitor cell |
| CN112086293A (en) * | 2019-06-13 | 2020-12-15 | 重庆九环新越新能源科技发展有限公司 | Conductive composite electrode material of all-solid-state supercapacitor |
| CN112103088A (en) * | 2019-06-18 | 2020-12-18 | 重庆九环新越新能源科技发展有限公司 | Solid-state capacitor cell, laminated capacitor cell and composite power capacitor cell based on composite material electrode |
| CN112531215A (en) * | 2019-09-17 | 2021-03-19 | 拓米(成都)应用技术研究院有限公司 | Sandwich composite structure unit with ultrahigh interface area, all-solid-state lithium ion battery and manufacturing method thereof |
-
2018
- 2018-01-11 CN CN201820041654.2U patent/CN208637537U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086291A (en) * | 2019-06-13 | 2020-12-15 | 青岛九环新越新能源科技股份有限公司 | All-solid-state capacitor cell, laminated capacitor cell and composite capacitor cell |
| CN112086293A (en) * | 2019-06-13 | 2020-12-15 | 重庆九环新越新能源科技发展有限公司 | Conductive composite electrode material of all-solid-state supercapacitor |
| CN112103088A (en) * | 2019-06-18 | 2020-12-18 | 重庆九环新越新能源科技发展有限公司 | Solid-state capacitor cell, laminated capacitor cell and composite power capacitor cell based on composite material electrode |
| CN112531215A (en) * | 2019-09-17 | 2021-03-19 | 拓米(成都)应用技术研究院有限公司 | Sandwich composite structure unit with ultrahigh interface area, all-solid-state lithium ion battery and manufacturing method thereof |
| CN110994011A (en) * | 2019-11-01 | 2020-04-10 | 华南理工大学 | Interlocking type all-solid-state lithium ion battery membrane blank and forming method and forming device thereof |
| CN111312992A (en) * | 2020-02-26 | 2020-06-19 | 天津国安盟固利新材料科技股份有限公司 | Multifunctional composite positive plate for secondary battery, preparation method and secondary battery |
| CN111293317A (en) * | 2020-02-29 | 2020-06-16 | 天津国安盟固利新材料科技股份有限公司 | Multifunctional composite negative plate for chargeable and dischargeable solid battery, preparation method and secondary battery |
| CN111312991A (en) * | 2020-02-29 | 2020-06-19 | 天津国安盟固利新材料科技股份有限公司 | Chargeable and dischargeable solid battery and preparation method and application thereof |
| CN111816883A (en) * | 2020-08-27 | 2020-10-23 | 清陶（昆山）能源发展有限公司 | Composite electrode plate, preparation method thereof and application thereof in solid-state battery |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |