公开(公告)号：US20230307696A1

公开(公告)日：2023-09-28

申请号：US18008959

申请日：2021-06-09

Applicant: SHOWA DENKO K.K.

Inventor： Ryosuke SEI ,  Kunchan LEE ,  Yoshiyuki INAGUMA

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/0068 ,  H01M2300/0085

Abstract: A solid electrolyte material, a solid electrolyte, a method for producing these, and an all-solid-state battery. The solid electrolyte material includes a lithium ion conductive compound (a) including lithium, tantalum, phosphorus, and oxygen as constituent elements, and at least one compound (b) selected from a boron compound, a bismuth compound, and a phosphorus compound, wherein the compound (b) is a compound different from the compound (a).