Patent ID: 6908709

Claim:
A nonaqueous electrolyte secondary battery comprising an anode capable of doping and dedoping lithium, a cathode and a nonaqueous electrolyte, wherein the anode includes a carbon material, a polymer material and a Sn-containing compound expressed by a below general formula (1). SnM 1 x M 2 y M 3 z (1) (In the formula, M 1 designates at least one kind of material selected from Co and Cu, and M 2 designates at least one kind of material selected from Cr, Fe, Mn, Nb, Mo, W, B and P. M 3 designates at least one kind of material selected from In, Ag, Zn and Al. x, y, and z are respectively represented by 0.1<x≦2, 0<y≦2 and 0<z≦1).