Positive electrode active material for multivalent ion secondary battery, positive electrode for multivalent ion secondary battery, multivalent ion secondary battery, battery pack, electric vehicle, power storage system, electric tool and electronic device

摘要

To provide a positive electrode active material for a multivalent ion secondary battery capable of obtaining excellent battery characteristics. Provided is a positive electrode active material for a multivalent ion secondary battery, which contains sulfur and is coated with a polyethylenedioxythiophene-based conductive polymer doped with a sulfonic acid-based compound.