| abstract |
(57) [Summary] [Problem] The charge / discharge cycle characteristics are better than before, An alkaline storage battery having a large discharge capacity at the time of large current discharge is provided. An alkaline storage battery using a positive electrode comprising a conductive metal support, an active material, and a binder, wherein the binder is an elastic copolymer containing a tetrafluoroethylene unit and a propylene unit. Make it. |