Abstract: A secondary battery includes: a first electrode configured to function as a p-type semiconductor; a second electrode configured to function as an n-type semiconductor; and a solid electrolyte provided between the first electrode and the second electrode, the solid electrolyte contains a compound and polyethylene oxide, the compound has a perovskite structure.

Abstract: A secondary battery includes: a first electrode configured to function as a p-type semiconductor; a second electrode configured to function as an n-type semiconductor; and a hole transfer member provided between the first electrode and the second electrode, the first electrode is a sputtered film or a vapor deposited film, the second electrode is a sputtered film or a vapor deposited film containing at least one of silicon and graphene, and the hole transfer member is a sputtered film or a vapor deposited film containing a dielectric material.

Abstract: A secondary battery includes: a first electrode configured to function as a p-type semiconductor; a second electrode configured to function as an n-type semiconductor; and a solid electrolyte provided between the first electrode and the second electrode, the solid electrolyte contains a compound and polyethylene oxide, the compound has a perovskite structure.