METHOD FOR MANUFACTURING PALLADIUM-PLATINUM CORE SHELL CATALYST FOR FUEL CELL

PROBLEM TO BE SOLVED: To provide a method for manufacturing a palladium-platinum core shell catalyst having higher catalyst activity and more excellent durability than a conventional catalyst.SOLUTION: A method has a constitution including (a) a stage for preparing a mixed solution by dissolving a p...

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Hauptverfasser:	ROH BUM WOOK, CHOI RAN, CHOI SANG IL, HWANG IN CHUL, PARK JOON TAIK
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing a palladium-platinum core shell catalyst having higher catalyst activity and more excellent durability than a conventional catalyst.SOLUTION: A method has a constitution including (a) a stage for preparing a mixed solution by dissolving a palladium precursor and a surfactant into an organic solvent, (b) a stage for preparing a sol mixed with palladium core nanoparticles by raising a temperature of a mixed solution under an inert gas atmosphere, (c) a stage for producing a mixture by mixing a platinum precursor solution with the sol, (d) a stage for producing nanoparticles having a palladium-platinum core shell shape by raising a temperature of the mixture under an inert gas atmosphere, (e) a stage for manufacturing a palladium-platinum core shell catalyst by allowing a carbon support medium to adsorb the nanoparticles having the palladium-platinum core shell shape, and (f) a stage for removing the surfactant from the palladium-platinum core shell catalyst.