Cylindrical alkaline storage battery

摘要

A cylindrical alkaline storage battery including a group of spiral electrodes composed of positive and negative electrode plates spirally wound with a separator interposed therebetween. A winding end of the positive electrode plate is positioned in a maximum diameter portion of the group of spiral electrodes. The separator is reinforced by an additional separator of the same kind of material adhered thereto at an outside of the winding end of the positive electrode plate.