Idemitsu Kosan Company, Limited

Tomoyuki Okuyama

Minoru Senga

Hiroaki Yamada

Yusuke Iseki

Masayuki Shibata

Nobuhito Nakaya

Koji Kato

Takashi Hayakawa

Shogo Shimada

A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 μm or more and a specific surface area measured by the BET method of 20 m/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.

Sulfide solid electrolyte and treatment method therefor

A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 &#x3bc;m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.

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Ichihara, Japan

Tomoyuki Okuyama