SOLID ELECTROLYTE CERAMICS AND SOLID-STATE BATTERY

WIPO Patent Application WO/2022/107804

A1

The present invention provides solid electrolyte ceramics that more sufficiently suppress an increase in the electron conductance resulting from operation of a solid-state battery while still having excellent ion conductivity. The present invention provides solid electrolyte ceramics that contain at least Li (lithium), La (lanthanum), and O (oxygen), that further contain at least one type of transition metal elements selected from the group consisting of Co (cobalt), Ni (nickel), Mn (manganese), and Fe (iron), and that have a garnet crystal structure. When the content of the La is X (mol%) and the total content of the at least one type of transition metal elements is Y (mol%), the solid electrolyte ceramics satisfy any one of three relational expressions (1) to (3): (1) 0.01 ≤ Y ≤ 6.0 in the range of 147.5 < X < 150.0; (2) 0.01 ≤ Y ≤ 9.0 in the range of 145.0 < X ≤ 147.5; and (3) 0.01 ≤ Y ≤ 12.0 in the range of 132.0 ≤ X ≤ 145.0.

WO/2018/155345	BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERIES, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY FUNCTIONAL LAYERS, FUNCTIONAL LAYER FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY
JP2022098404	ALL-SOLID BATTERY AND MANUFACTURING METHOD THEREOF
WO/2013/076847	METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

TAKARA YUSUKE (JP)
TAKANO RYOHEI (JP)

PCT/JP2021/042219

May 27, 2022

November 17, 2021

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MURATA MANUFACTURING CO (JP)

H01M4/13; C04B35/50; H01B1/06; H01B1/08; H01M10/052; H01M10/0562; H01M10/0585

JP2019530963A	2019-10-24
JP2016171068A	2016-09-23
JP2019006634A	2019-01-17

YAMAO, Norihito et al. (JP)

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