Catalyst, method for preparing the same, and membrane-electrode assembly and fuel cell system including the same

摘要

A catalyst for a fuel cell includes a carrier and an A-B alloy supported on the carrier, where A is at least one metal selected from the group consisting of Pd, Ir and Rh, and B is at least one metal selected from the group consisting of Mo and W. The carrier includes at least one chalcogen element selected from the group consisting of S, Se and Te.