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公开(公告)号:US20250096317A1
公开(公告)日:2025-03-20
申请号:US18963552
申请日:2024-11-28
Applicant: FUJIFILM Corporation , INSTITUTE OF SCIENCE TOKYO
Inventor: Yosuke SHIRATORI , Kenta WATANABE , Kengo SAITO , Shintaro YASUI , Masatoshi TOKAIRIN , Yukihiro OKUNO
IPC: H01M10/0562 , H01M4/04 , H01M10/0525
Abstract: Provided are an all-solid-state lithium ion secondary battery including, in the following order, a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, in which the solid electrolyte layer contains an amorphous solid electrolyte which contains a lithium-containing oxide containing Li, B, and O and a lithium salt, in the amorphous solid electrolyte, a value of a ratio of a content of the lithium salt to a content of the lithium-containing oxide is 0.001 to 1.5 in terms of a molar ratio, and moisture contained in a laminate consisting of a positive electrode active material layer, the solid electrolyte layer, and a negative electrode active material layer is in a specific state; and a manufacturing method of the all-solid-state lithium ion secondary battery.