Patent ID: 8841025

Claim:
A positive electrode for a nonaqueous electrolyte battery, the positive electrode comprising: a collector; and a positive electrode active material layer, the positive electrode active material layer including: (a) a positive electrode active material; (b) a heteropoly acid and/or heteropoly acid compound; and (c) phosphorous acid, wherein the heteropoly acid is a condensate of two or more kinds of oxo acids, wherein the heteropoly acid and/or heteropoly acid compound is one having a polyatom selected from the following Element Group (a), with the polyatom being partially substituted with at least one element selected from the following Element Group (b) Element Group (a): Mo, W, Nb, and V, Element Group (b): Ti, Cr, Ni, Cu, Zn, Ga, Zr, Tc, Rh, Cd, In, Sn, Ta, Re, Tl, and Pb.