▎ 摘　　要

NOVELTY - A proton exchange membrane fuel cell metal alloy catalyst comprises metal ion and carrier. The metal ion is platinum, nickel and cobalt. The inner part of the metal alloy surface is a core-shell structure of platinum nickel cobalt, and the carrier is a reduction oxidation graphene graft sulfonic acid group. USE - The proton exchange membrane fuel cell metal alloy catalyst is useful for ship and in automobile and fixing application for converting chemical energy into electric energy. ADVANTAGE - The proton exchange membrane fuel cell metal alloy catalyst has excellent oxygen reduction reaction electrochemical performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) the preparation method of proton exchange membrane fuel cell metal alloy catalyst for ship; and (2) an electrode for a proton exchange membrane fuel cell for a ship.