POWDER CATALYST MATERIAL, METHOD FOR PRODUCING SAME AND ELECTRODE FOR SOLID POLYMER FUEL CELL USING SAME

The battery performance of a solid polymer fuel cell is improved by forming a good three-phase interface. Specifically, a catalyst-supporting conductor (10), a solid polymer electrolyte (20, 30) and a good solvent and a poor solvent for the solid polymer electrolyte are mixed for obtaining an ink wh...

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Bibliographische Detailangaben
Hauptverfasser:	HATANAKA, TATSUYA, KADOTANI, SATOSHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The battery performance of a solid polymer fuel cell is improved by forming a good three-phase interface. Specifically, a catalyst-supporting conductor (10), a solid polymer electrolyte (20, 30) and a good solvent and a poor solvent for the solid polymer electrolyte are mixed for obtaining an ink wherein at least a part of the solid polymer electrolyte is formed into colloids (30). The thus-obtained ink is then dried, so that there is obtaine d a powder catalyst material (40). A catalyst layer of an electrode is formed through powder application of the powder catalyst material to an electrolyte membrane or a gas diffusion layer.