A method for producing a solid electrolyte composition, a solid electrolyte-containing sheet and an all-solid secondary battery, and a solid electrolyte-containing sheet and an all-solid secondary battery.

摘要

A polymer (A) having a mass average molecular weight of 5,000 or more, a compound (B) having two or more polymerization reactive groups and having a molecular weight ratio of 230 or less to the number of polymerization reactive groups, A solid electrolyte composition containing an electrolyte salt (C) having an ion of a metal belonging to Group 1 or 2, wherein the compound occupies a component having a boiling point of 210 ° C. or more contained in the solid electrolyte composition. The solid electrolyte composition having a mass ratio of (B) of 10% or more, a solid electrolyte-containing sheet and an all-solid secondary battery obtained using the solid electrolyte composition, and a solid electrolyte-containing sheet and an all-solid secondary battery Manufacturing method.