公开(公告)号：US20240030486A1

公开(公告)日：2024-01-25

申请号：US18202747

申请日：2023-05-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： TARO YAMAKI ,  Yoshikatsu SEINO ,  Shota TOTSUKA ,  Manabu TANAKA ,  Hironari KIMPARA

IPC: H01M10/0562 ,  C01B25/14

CPC classification number: H01M10/0562 ,  C01B25/14 ,  H01M2300/008 ,  C01P2004/03 ,  C01P2006/40 ,  C01P2004/61

Abstract: Provided is a method for producing a sulfide solid electrolyte having excellent productivity and having a particularly small particle size, including mixing a raw material inclusion containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom to obtain an electrolyte precursor, and heating the electrolyte precursor in the presence of a solvent and a dispersant having 8 or more carbon atoms in a molecule thereof in a sealed pressure resistant vessel.