SODIUM-BASED SOLID ELECTROLYTE, METHOD FOR PRODUCING SODIUM-BASED SOLID ELECTROLYTE, MODIFIED POSITIVE ELECTRODE ACTIVE MATERIAL, MODIFIED NEGATIVE ELECTRODE ACTIVE MATERIAL, ALL-SOLID-STATE SECONDARY BATTERY, ELECTRODE SHEET FOR ALL-SOLID-STATE SECONDARY BATTERIES, SOLID ELECTROLYTE SHEET, AND ELECTRODE FOR ALL-SOLID-STATE SECONDARY BATTERIES

WIPO Patent Application WO/2023/234219

A1

The present invention addresses the problem of providing: a sodium-based solid electrolyte which has excellent ion conductivity; a method for producing a sodium-based solid electrolyte; a modified positive electrode active material; a modified negative electrode active material; an all-solid-state secondary battery; an electrode sheet for all-solid-state secondary batteries; a solid electrolyte sheet; and an electrode for all-solid-state secondary batteries.　A sodium-based solid electrolyte according to the present invention contains sodium tetraborate in an amorphous state, water and a sodium salt.

JP4352016	Manufacturing method of inorganic solid electrolyte battery and inorganic solid electrolyte battery
WO/2016/155952	BATTERY CELL
JP2023128674	COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL

OKUNO YUKIHIRO (JP)
YASUI SHINTARO (JP)
SHIRATORI YOSUKE (JP)
SAITO KENGO (JP)
WATANABE KENTA (JP)

PCT/JP2023/019752

December 07, 2023

May 26, 2023

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FUJIFILM CORP (JP)
TOKYO INST TECH (JP)

H01M10/0562; C01B35/12; H01B1/06; H01B13/00; H01M4/13; H01M4/36; H01M4/62; H01M10/054

WO2021193204A1	2021-09-30
WO2022118868A1	2022-06-09
WO2022118870A2	2022-06-09

JPS58130137A

1983-08-03

ITOH Hideaki et al. (JP)

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