IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0959169
(2000-04-18)
|
등록번호 |
US-7479350
(2009-01-20)
|
우선권정보 |
DE-199 17 581(1999-04-19); DE-199 48 548(1999-10-08) |
국제출원번호 |
PCT/EP00/003541
(2000-04-18)
|
§371/§102 date |
20020114
(20020114)
|
국제공개번호 |
WO00/063984
(2000-10-26)
|
발명자
/ 주소 |
- Neumann,Gerold
- Birke,Peter
|
출원인 / 주소 |
- Fraunhofer Gesellschaft zur Foerderung der angewandten Forschung e.V.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
6 |
초록
▼
The present invention relates to a paste-like mass that can be used in electrochemical structural elements comprising (A) 0-70% by weight of a matrix containing or consisting of at least one organic polymer, precursors thereof, or prepolymers thereof, and (B) 30-100% by weight of an electrochemicall
The present invention relates to a paste-like mass that can be used in electrochemical structural elements comprising (A) 0-70% by weight of a matrix containing or consisting of at least one organic polymer, precursors thereof, or prepolymers thereof, and (B) 30-100% by weight of an electrochemically activatable inorganic material that is preferably not soluble in the matrix and that is in the form of a solid substance, and additionally, if necessary, a suspending agent for (B), characterized in that said electrochemically activatable material is at least partially a nanocrystalline powder, with the proviso that said material (B) is not a material that can be used as electrode material in the absence of (A). Said mass is suitable for producing layers that are self-supporting or that are placed on a substrate from which or with which composite layers with electrochemical properties can be produced, such as accumulators, batteries, condensators (supercaps), solar cells and electrochromic indicating elements. The invention also discloses methods for producing the masses, layers, and composite layers.
대표청구항
▼
The invention claimed is: 1. A paste-like mass that can be used for preparation of a solid electrolyte material in electrochemical elements, comprising a mixture of: (A) 0-70% by weight of a matrix containing at least one organic polymer, precursors thereof, or prepolymers thereof, and (B) 30-100%
The invention claimed is: 1. A paste-like mass that can be used for preparation of a solid electrolyte material in electrochemical elements, comprising a mixture of: (A) 0-70% by weight of a matrix containing at least one organic polymer, precursors thereof, or prepolymers thereof, and (B) 30-100% by weight of a material selected from the group consisting of an inorganic solid body electrolyte and an inorganic ionic intermediate conductor, that is not soluble in said matrix and that is in the form of a solid substance, and additionally, a suspending agent for (B), characterized in that said material suitable as an inorganic solid body electrolyte or as an inorganic ionic intermediate conductor is at least partially a nanocrystalline powder. 2. The paste-like mass in accordance with claim 1, characterized in that said material is partially nanocrystalline and is chemically identical with the remaining material or is chemically different therefrom. 3. The paste-like mass in accordance with claim 1, characterized in that the quantity of said nanocrystalline powder is at least 30% by weight of said material. 4. The paste-like mass in accordance with claim 1, characterized in that said matrix (A) also contains a plasticizer. 5. The paste-like mass in accordance with claim 1, characterized in that said matrix (A) contains a cross-linkable, liquid or soft resin. 6. The paste-like mass in accordance with claim 5, characterized in that said resin is a cross-linkable addition polymer and condensation resin, selected from the group consisting of aminoplasts, phenoplasts, epoxy resins, polyesters, polycarbamates, and methyl methacrylate reaction resins. 7. The paste-like mass in accordance with claim 1, characterized in that said organic polymer of said matrix (A) is a natural polymer, synthetic polymer or mixture thereof, selected from the group consisting of natural and synthetic polysaccharides, proteins, resins, waxes, and halogenated and non-halogenated rubbers, thermoplasts, and thermoelastomers. 8. A self-supporting electrolyte layer or layer that is placed on a substrate, comprising a heterogeneous mixture of (A) 0-70% by weight of a matrix containing at least one organic polymer and (B) 30-100% by weight of a material selected from the group consisting of an inorganic solid body electrolyte and an inorganic ionic intermediate conductor, that is not soluble in said matrix and that is in the form of a solid substance, characterized in that said material is at least partially a nanocrystalline powder, and wherein said layer is a flexible layer. 9. The self-supporting layer or layer that is placed on a substrate in accordance with claim 8, characterized in that said material (B) is a solid electrolyte and the layer has a thickness (d) that satisfies the following formula: description="In-line Formulae" end="lead"200Ω/(sion*A) description="In-line Formulae" end="tail" 10. A self-supporting composite layer or composite layer that is placed on a substrate with electrochemical properties, comprising at least two layers acting as an electrode and one layer acting as an electrolyte, wherein the layer acting as an electrolyte comprises a heterogeneous mixture of (A) 0-70% by weight of a matrix containing at least one organic polymer and (B) 30-100% by weight of a material selected from the group consisting of an inorganic solid body electrolyte and an inorganic ionic intermediate conductor, that is not soluble in said matrix and that is in the form of a solid substance, characterized in that said material is at least partially a nanocrystalline powder. 11. The self-supporting composite layer or composite layer that is placed on a substrate in accordance with claim 10, wherein said two electrodes are a positive and a negative electrode, or equally directed electrodes. 12. The composite layer with electrochemical properties in accordance with claim 11, characterized in that also applied to the layer with positive electrode material is a layer acting as lower contact electrode and to the layer with negative electrode material is a layer acting as upper contact electrode. 13. The composite layer with electrochemical properties in accordance with claim 12, characterized in that nanocrystalline carbon is present between said layer acting as lower contact electrode and said layer with positive electrode material or between said layer acting as upper contact electrode and said layer with negative electrode material. 14. The paste-like mass in accordance with claim 3, characterized in that the quantity of said nanocrystalline powder is at least 70% by weight of said material. 15. The paste-like mass in accordance with claim 3, characterized in that the quantity of said nanocrystalline powder is at least 85% by weight of said material. 16. The paste-like mass in accordance with claim 3, characterized in that the quantity of said nanocrystalline powder is at least 90% by weight of said material. 17. A paste-like mass that can be used for preparation of a solid electrolyte material in electrochemical elements, comprising a mixture of: (A) 0-70% by weight of a matrix containing at least one organic polymer, precursors thereof, or prepolymers thereof, and (B) 30-100% by weight of a material selected from the group consisting of an inorganic solid body electrolyte and an inorganic ionic intermediate conductor, that is not soluble in said matrix and that is in the form of a solid substance, characterized in that said material is at least partially a nanocrystalline powder. 18. The paste-like mass in accordance with claim 17, characterized in that said material is partially nanocrystalline and is chemically identical with the remaining material or is chemically different therefrom. 19. The paste-like mass in accordance with claim 17, characterized in that the quantity of said nanocrystalline powder is at least 30% by weight of said material. 20. The paste-like mass in accordance with claim 17, characterized in that said matrix (A) also contains a plasticizer. 21. The paste-like mass in accordance with claim 17, characterized in that said matrix (A) contains a cross-linkable, liquid or soft resin. 22. The paste-like mass in accordance with claim 21, characterized in that said resin is a cross-linkable addition polymer and condensation resin, selected from the group consisting of aminoplasts, phenoplasts, epoxy resins, polyesters, polycarbamates, and methyl methacrylate reaction resins. 23. The paste-like mass in accordance with claim 17, characterized in that said organic polymer of said matrix (A) is a natural polymer, synthetic polymer or mixture thereof, selected from the group consisting of natural and synthetic polysaccharides, proteins, resins, waxes, and halogenated and non-halogenated rubbers, thermoplasts, and thermoelastomers. 24. The paste-like mass in accordance with claim 19, characterized in that the quantity of said nanocrystalline powder is at least 70% by weight of said material. 25. The paste-like mass in accordance with claim 19, characterized in that the quantity of said nanocrystalline powder is at least 85% by weight of said material. 26. The paste-like mass in accordance with claim 19, characterized in that the quantity of said nanocrystalline powder is at least 90% by weight of said material.
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