Hyundai Motor Company

Kia Corporation

Tokyo Institute of Technology, a Japanese National University Corp

Eagle Industry Co., Ltd.

Sasaki Yuki

Yong Sub Yoon

Sa Heum Kim

Ryoji Kanno

Hori Satoshi

Itadani Masatoshi

Kiryu Kenji

Chiba Keiichi

Okada Tetsuzo

Disclosed are a solid electrolyte material including a naturally abundant element as a base, having lithium ion conductivity equal or superior to those of conventional sulfide solid electrolyte materials, being relatively inexpensive, and having a crystal structure, a manufacturing method thereof, and a battery using the same. The solid electrolyte material may include a naturally abundant element as a base, have lithium ion conductivity equal or superior to those of conventional sulfide solid electrolyte materials, be relatively inexpensive, and have a crystal structure. The sulfide solid electrolyte material includes a sulfide compound represented by a formula of LiSiPS, and x and y satisfy conditions −0.040≤x≤0.095 and 0.036≤y≤0.192.

Sulfide solid electrolyte material, manufacturing method thereof and battery comprising the same

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Kanagawa, Japan

Sasaki Yuki