| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrode material excellent in catalytic activity and high in durability, and a fuel cell.SOLUTION: An electrode material of the present invention includes a Pt-Fe-Co alloy nanoparticle, at least a part of which has an ordered alloy structure. The ordered alloy structure of the favorable Pt-Fe-Co alloy nanoparticle includes at least one of the followings (i)-(iii). (i) PtFeCowith an L1type ordered fct structure, where 0<x<2 is satisfied, (ii) PtFeCowith an L1type ordered fcc structure, where 0<y<1 is satisfied, and (iii) PtFeCowith an L1type ordered fcc structure, where 0<z<3 is satisfied. |
