▎ 摘　　要

NOVELTY - A noble metal-transition metal alloy nanocatalyst comprises a carbon support, and noble metal-transition metal alloy nanoparticles adsorbed on the carbon support. The noble metal-transition metal alloy nanoparticles are formed by reducing a transition metal precursor having an oxidation number of 0 to form transition metal seed particles on the carbon support, and bonding noble metal nanoparticles to the surface of the transition metal seed particles. USE - Noble metal-transition metal alloy nanocatalyst e.g. platinum-iron alloy nanocatalyst, platinum-nickel alloy nanocatalyst, platinum-iron alloy nanocatalyst, platinum-manganese alloy nanocatalyst, platinum-cobalt alloy nanocatalyst, platinum-tungsten alloy nanocatalyst, platinum-ruthenium alloy nanocatalyst, palladium-iron alloy nanocatalyst, palladium-nickel alloy nanocatalyst, palladium-manganese alloy nanocatalyst, palladium-cobalt alloy nanocatalyst, palladium-tungsten alloy nanocatalyst, palladium-ruthenium alloy nanocatalyst, iridium-iron alloy nanocatalyst, iridium-nickel alloy nanocatalyst, iridium-manganese alloy nanocatalyst, iridium-cobalt alloy nanocatalyst, iridium-tungsten alloy nanocatalyst, iridium-ruthenium alloy nanocatalyst, rhodium-iron alloy nanocatalyst, rhodium-nickel alloy nanocatalyst, rhodium-manganese alloy nanocatalyst, rhodium-cobalt alloy nanocatalyst, rhodium-tungsten alloy nanocatalyst and/or rhodium-ruthenium alloy nanocatalyst, is used for forming electrode for fuel cell e.g. polymer electrolyte membrane fuel cell or proton exchange membrane fuel cell used for device e.g. transportation device or energy storage device (all claimed). The transportation device is electric vehicle. ADVANTAGE - The noble metal-transition metal alloy nanocatalyst has improved electrochemical reaction activity and durability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of the noble metal-transition metal alloy nanocatalyst, which involves (i) preparing a mixed solution comprising a noble metal precursor, a surface stabilizer, an additive and a solvent, (ii) preparing a reactant by mixing carbon support and transition metal precursor having oxidation number of 0 in the mixed solution, (iii) heat-treating the reactant to obtain noble metal-transition metal alloy nanocatalyst, and (iv) drying the noble metal-transition metal alloy nanocatalyst.