Provided is a method for manufacturing a sulfide solid electrolyte which can prevent deterioration of the sulfide solid electrolyte and can improve the lithium ion conductivity. In a step of crystallizing the sulfide solid electrolyte with heat treatment, ...

The present invention aims to provide a sulfide solid electrolyte material with favorable ion conductivity, in which charge and discharge efficiency may be inhibited from decreasing. The object is attained by providing a sulfide solid electrolyte material,...

A sulfide-based inorganic solid electrolyte that suppresses the reaction between silicon sulfide and metallic lithium even when the electrolyte is in contact with metallic lithium, a method of forming the electrolyte, and a lithium battery's member and lit...