SULFIDE SOLID ELECTROLYTE MATERIAL AND LITHIUM SOLID STATE BATTERY
First Claim
1. A sulfide solid electrolyte material comprising an ion conductor an ion conductor having an anion structure of an ortho-composition as a main component to all anion structures, and LiI,wherein the sulfide solid electrolyte material is glass with a glass transition point, andthe ion conductor contains Li, X (X is P, Si, Al or B), and S.
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Abstract
The main object of the present invention is to provide a sulfide solid electrolyte material with high Li ion conductivity. The present invention solves the problem by providing a sulfide solid electrolyte material comprising an ion conductor with an ortho-composition, and LiI, characterized in that the sulfide solid electrolyte material is glass with a glass transition point.
58 Citations
13 Claims
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1. A sulfide solid electrolyte material comprising an ion conductor an ion conductor having an anion structure of an ortho-composition as a main component to all anion structures, and LiI,
wherein the sulfide solid electrolyte material is glass with a glass transition point, and the ion conductor contains Li, X (X is P, Si, Al or B), and S.
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3. (canceled)
- 5. A sulfide solid electrolyte material comprising an ion conductor having an anion structure of an ortho-composition as a main component to all anion structures, and LiI, wherein the ion conductor contains oxygen.
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9. A lithium solid state battery comprising a cathode active material layer containing a cathode active material, an anode active material layer containing an anode active material, and a solid electrolyte layer formed between the cathode active material layer and the anode active material layer,
wherein the cathode active material layer contains the cathode active material with an electric potential of 2.8 V (vs Li) or more, and a sulfide solid electrolyte material comprising an ion conductor having an anion structure of an ortho-composition as a main component to all anion structures and LiI.
Specification