PLATINUM ALLOY CATALYST AND MANUFACTURE THEREOF

PROBLEM TO BE SOLVED: To provide an improved alloy catalyst of Pt/Rh/Fe for a fuel cell, more active and stable than a conventional catalyst. SOLUTION: This a platinum alloy catalyst on a conductive carbon carrier contains an alloy a fine alloy particle shape formed out of 40 to 60 atm.% platinum, 1...

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Hauptverfasser:	STARZ KARL-ANTON DR, LEHMANN THOMAS DR, EMANUEL AUER, SCHWARZ ROBERT, HEINZ GERHARD
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 an improved alloy catalyst of Pt/Rh/Fe for a fuel cell, more active and stable than a conventional catalyst. SOLUTION: This a platinum alloy catalyst on a conductive carbon carrier contains an alloy a fine alloy particle shape formed out of 40 to 60 atm.% platinum, 10 to 20 atm.% rhodium, and 20 to 50 atm.% iron. The catalyst is characterized by having the mean particle size of the alloy particles