A SULFIDE-BASED SOLID ELECTROLYTE AND A METHOD FOR PREPARING SULFIDE-BASED SOLID ELECTROLYTE

A sulfide-based solid electrolyte having improved ion conductivity and a method for preparing the same are provided. The sulfide-based solid electrolyte contains a Group 2 element and has an argyrodite-type crystal structure. The sulfide-based solid electrolyte is represented by Li7−x−2yMyPS6−xHax,...

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Bibliographic Details
Main Authors MATSUBARA, Keiko, NARIMATSU, Eiichiro, IKENOMOTO, Shun
Format Patent
LanguageEnglish
Published 15.08.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A sulfide-based solid electrolyte having improved ion conductivity and a method for preparing the same are provided. The sulfide-based solid electrolyte contains a Group 2 element and has an argyrodite-type crystal structure. The sulfide-based solid electrolyte is represented by Li7−x−2yMyPS6−xHax, wherein M represents at least one element selected from Group 2 elements, Ha is at least one element selected from halogen elements and includes Br, and x and y satisfy 0<x<2.5 and 0<y<0.45, and wherein the sulfide-based solid electrolyte has a lattice volume of from 950 to 980 Å3.
Bibliography:Application Number: US202218568711