Patent ID: 7754370
Filing Date: 2010-07-13
Classification: B01J,B82Y,C01B,C01P,H01M,Y02E,Y02P

Abstract:
1. A fuel cell catalyst material, containing platinum-containing nitride particles as catalyst particles having a composition substantially represented by wherein A contains Pt or Pt and at least one noble metal element selected from the group consisting of Ru, Pd, Au and Ag, T contains at least one element selected from the group consisting of Fe, Co, Ni, Sn, Mn, Cr, V, Ti, Mo, Nb, Zr, W, Ta and Hf, N is nitrogen, atomic ratios x and u fall within ranges 0≦x≦4 and 0.005≦u≦1 respectively, an average diameter of the catalyst particles is 0.5 nm to 50 nm.