Patent ID: 6037095
Filing Date: 2000-03-14
Classification: C01G,C01P,H01M,Y02E

Abstract:
A non-aqueous lithium ion secondary battery which comprises a positively electrode comprising an active material of lithium-containing metal complex oxide, a negative electrode comprising amorphous metal complex oxide, and a non-aqueous electrolyte, wherein the lithium-containing metal complex oxide is a lithium-containing nickel metal complex oxide of the following formula:Li.sub.x Ni.sub.1-y M.sub.y O.sub.2-z X.sub.awherein M represents at least one element selected from the group consisting of Mg, B, Al, Sn, Si, Ga, Mn, Fe, Ti, Nb, Zr, Mo and W; X is a halogen atom; x, y, z and a are numbers satisfying the conditions of 0.2<x.ltoreq.1.2, 0.ltoreq.y.ltoreq.0.5, 0.01.ltoreq.z.ltoreq.0.25, and 0.02.ltoreq.a.ltoreq.0.5, respectively.