| abstract |
(57) [Abstract] [Purpose] An object is to provide a lithium secondary battery, a nickel zinc secondary battery, and an air zinc secondary battery having a long cycle life. In a secondary battery including at least a negative electrode, a separator, a positive electrode, an electrolyte, a current collector, and a battery case, at least a surface of the positive electrode facing the negative electrode is an insulator capable of transmitting ions involved in a battery reaction, It is characterized in that one or more layers are coated with a film selected from a semiconductor, a composite of an insulator and a semiconductor. [Effect] Even if a dendrite of lithium or zinc grows during charging, it is possible to prevent a short circuit between the negative electrode and the positive electrode, and to provide a lithium secondary battery, a nickel zinc secondary battery, an air zinc secondary battery, etc., which has a long charge / discharge cycle life. It becomes possible to produce. Furthermore, since metallic lithium can be used as the negative electrode active material, a secondary battery with high energy density can be manufactured. |