Patent ID: 8211825

Claim:
A methanol oxidation catalyst composition comprising: (Pt 1-s N s ) x (M 1-t A t ) z Ta u wherein: N is at least one noble metal selected from the group consisting of Rh, Os, Ir, Pd, Ag, and Au; M is at least one element selected from the group consisting of V, W, Ni, and Mo; A is at least one element selected from the group consisting of Sn, Hf, Ti, Cr, Al, Si, Nb, and Zr; x is 40-98 at. %; z is 1.5-55 at. %; u is 0.5-40 at. %; s is 0-0.29; t is 0-0.80; x expresses the atomic concentration of Pt, z expresses the atomic concentration of M, u expresses the atomic concentration of Ta, s expresses the atomic concentration of N, and t expresses the atomic concentration of A; x+z+u=100 at. %; and the methanol oxidation catalyst composition does not comprise Ru.