ELECTRODE CATALYST FOR FUEL CELL, ITS MANUFACTURING METHOD, AND FUEL CELL USING THE SAME

PROBLEM TO BE SOLVED: To provide a highly active electrode catalyst for a fuel cell replacing platinum and having high four-electron reduction performance, and its manufacturing method. SOLUTION: The method of manufacturing the electrode catalyst for the fuel cell represented by M1M2X (M1is Ru, M2is...

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Hauptverfasser:	TAKAHASHI HIROAKI, MIKAKO LE LAY, PAUL CHRISTENSEN, UENO YUKIYOSHI, KEITH SCOTT
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 highly active electrode catalyst for a fuel cell replacing platinum and having high four-electron reduction performance, and its manufacturing method. SOLUTION: The method of manufacturing the electrode catalyst for the fuel cell represented by M1M2X (M1is Ru, M2is Fe and/or Ni, and X is at least one kind of chalcogen element) has processes for mixing alcohol and water with at least one kind of compound selected from an Fe nitric acid compound, an Ni nitric acid compound, an Fe hydrochloric acid compound and an Ni hydrochloric acid compound; adding an Ru chalcogen compound while agitating a mixture; adding a reducing agent while agitating the mixture to reduce the Fe and/or Ni compound; filtering and washing a product; and heat-treating the filtered object. COPYRIGHT: (C)2010,JPO&INPIT