| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage battery in which the number of cycles obtained in a standard life of the storage battery can be substantially increased. SOLUTION: A rechargeable battery is composed of an anode which is made of alkaline metal or malleable alkali metal alloy, one kind or more of polymer electrolytes which are alkaline cation conductive and act as a separator, one or more of cathode which are reversible against alkali metal cations, and a current collector. Therein, the anode is a thin metal sheet of less than 100 micrometers provided with a passive state film of solid-electrolyte boundary face on the surface thereof which limits reaction between the metal and the polymer electrolyte and also can replace lithium ions during a continuous charge and discharge cycle. The polymer electrolyte constitutes a mechanical deformation-resistant uniform separator, transfers pressure to the anode, and produces deformation at a rate of less than 35% of its thickness so as to resist dendritic stress deformation of the metal of the anode. The separator confines the anode sheet in a predetermined position, and maintains the coupling of the boundary face of the electrolyte during a continuous solution-adhesion cycle. |
