SULFIDE-BASED SOLID ELECTROLYTE, METHOD FOR PREPARING SULFIDE-BASED SOLID ELECTROLYTE, AND ALL-SOLID BATTERY COMPRISING SULFIDE-BASED SOLID ELECTROLYTE

The present disclosure is directed to providing a sulfide-based solid electrolyte having improved ion conductivity, a method for preparing a sulfide-based solid electrolyte, and a solid-state battery including a sulfide-based solid electrolyte. The present disclosure provides a sulfide-based solid e...

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Bibliographic Details
Main Authors MATSUBARA, Keiko, NARIMATSU, Eiichiro, IKENOMOTO, Shun
Format Patent
LanguageEnglish
French
German
Published 29.05.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The present disclosure is directed to providing a sulfide-based solid electrolyte having improved ion conductivity, a method for preparing a sulfide-based solid electrolyte, and a solid-state battery including a sulfide-based solid electrolyte. The present disclosure provides a sulfide-based solid electrolyte, which contains a Group 12 element, has an argyrodite-type crystal structure, and is represented by the chemical formula of Li7-x-2yMyPS6-xHax, wherein M represents at least one element selected from Group 12 elements, Ha is at least one element selected from halogen elements, and x and y satisfy the conditions of 1.0 < x < 2.5 and 0 < y < 0.45.
Bibliography:Application Number: EP20230820150