Patent ID: 6416902
Filing Date: 2002-07-09
Classification: H01M,Y02E

Abstract:
A non-aqueous lithium ion secondary battery which comprises a positive electrode layer comprising an active material of lithium-containing metal complex oxide, a negative electrode layer comprising lithium ion retainable and releasable material, and a non-aqueous electrolyte;wherein the lithium-containing metal complex oxide is a nickel-containing lithium complex oxide of the following formula: LixNi1âˆ’yCoyâˆ’zMzO2âˆ’aXb â€ƒwherein M represents at least one element selected from the group consisting of Mg, Ca, Ba, Ti, V, Cr, Fe, Cu, Zn, Nb, Mo, Ag, Ta, W, B, Ga, In, C, Si, Ge, Sn and Pb; X is a halogen atom; x, y, z, a and b are numbers satisfying the conditions of 0.2at least one of the positive and negative electrode layers contains a rubber binder.