Patent ID: 6632568
Filing Date: 2003-10-14
Classification: C01G,C01P,H01M,Y02E,Y10T

Abstract:
A non-sintered nickel electrode for use in an alkali storage cell, said non-sintered nickel electrode comprising an active material containing nickel hydroxide, a cobalt compound, and at least one of zinc, cadmium, magnesium, and calcium, said at least one of zinc, cadmium, magnesium, and calcium being added in a form of a solid solution to said nickel hydroxide, and said cobalt compound being formed into layers over surfaces of particles of said nickel hydroxide, said cobalt compound having an oxidation number of larger than 2 and being obtained by subjecting cobalt hydroxide formed on the surface of said nickel hydroxide to heat treatment at a temperature of from 50Â° C. to 150Â° C. in the presence of air and an alkali aqueous solution.