Patent ID: 6677081
Filing Date: 2004-01-13
Classification: C01G,C01P,H01M,Y02E

Abstract:
A positive electrode active material for a non-aqueous electrolyte secondary battery comprising a complex oxidewherein said complex oxide is substantially amorphous and is represented by the formula Mn1-xMxOy; where M is selected from the group consisting of Ni, Co, Fe, Cu, Al, Mg, Si, Sc, Ti, Zn, Ga, Ge, Nb, Rh, Pd and Sn, and x and y are 0.01&lE;x&lE;0.3 and 1.9&lE;y&lE;2.1, respectively; and a molar weighted sum of oxidation states of elements except for oxygen is more than 3.8 and not greater than 4.2.