SULFIDE SOLID ELECTROLYTE, METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE, ELECTRODE, AND ALL SOLID STATE BATTERY

A main object of the present disclosure is to provide a sulfide solid electrolyte with which an electrode having excellent ion transport efficiency can be obtained. The present disclosure achieves the object by providing a sulfide solid electrolyte comprising: a Li element, a P element, and a S element; wherein a tetrahydrofuran is also included; and BET specific surface area is 8.3 m2/g or more.