Patent ID: 9040196
Filing Date: 2015-05-26
Classification: H01M

Abstract:
1. An alkaline primary battery, comprising: a positive electrode containing manganese dioxide; an alkaline electrolyte containing zinc oxide; a gelled negative electrode containing zinc alloy particles, the alkaline electrolyte, and a gelling agent; a negative electrode current collector inserted in the gelled negative electrode; and a battery case containing the positive electrode, the alkaline electrolyte, the gelled negative electrode and the negative electrode current collector, wherein: the gelled negative electrode has a predetermined malleability such that when 4.0 g of the gelled negative electrode formed into a cylindrical shape with a diameter of 15 mm is extended with 200 g of a load through 10 g of a flat plate, and then an upper surface of the extended gelled negative electrode is approximated to a circle, this circle has a diameter ranging from 24 mm to 36 mm, both inclusive, the gelled negative electrode has a height L a value L