SOLID ELECTROLYTE MATERIAL AND BATTERY USING SAME

A solid electrolyte material of the present disclosure includes: Li; M; O; X; and S. The M is at least one selected from the group consisting of Ti, Zr, and Hf. The X is at least one selected from the group consisting of F, Cl, Br, and I. A molar ratio of the O to the X is more than 0 and 0.3 or less. A battery 1000 of the present disclosure includes: a positive electrode 201; a negative electrode 203; and an electrolyte layer 202 provided between the positive electrode 201 and the negative electrode 203. At least one selected from the group consisting of the positive electrode 201, the negative electrode 203, and the electrolyte layer 202 includes the solid electrolyte material of the present disclosure.