ALL-SOLID SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide an all-solid secondary battery having excellent charge/discharge characteristics.SOLUTION: An all-solid secondary battery includes: a positive electrode; a negative electrode having a negative electrode active material capable of occluding and discharging lithium ions; and a solid electrolyte having LiS and PS. The positive electrode contains a composite material having an active material part having a lithium silicate based material and an inorganic oxide part having an inorganic oxide formed on the surface of the active material part.