Patent ID: 7501208
Filing Date: 2009-03-10
Classification: C01G,C01P,H01M,Y02E

Abstract:
1. A cathode of an alkaline battery, comprising a composition of electrolytic manganese dioxide and a doped manganese oxide corresponding to the formula Mn 1-x X w O y in which w is about 0.000023 to 0.0144, and y ranges from about 1.90 to 2.00, X is at least one dopant selected from the group consisting of: B, Mg, Al, Si, P, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Zn, Ga, Ge, Sr, Y, Zr, Nb, Ru, Rh, Pd, Ag, In, Sn, Sb, Ba, Ce, Hf, Ta, Re, Os, Ir, Pt, Au and Bi, and in which the manganese, oxygen and the dopant are intermingled atomically, and wherein x is about 0.0046 to 0.0087.