ELECTROLYTE MEMBRANE FOR FUEL CELL AND PRODUCTION PROCESS THEREOF

PROBLEM TO BE SOLVED: To provide an electrolyte membrane for a fuel cell, which has excellent heat resistance and does not transmit methanol. SOLUTION: The electrolyte membrane for a fuel cell is composed of a composite membrane of an inorganic ion conductor and an ion-conductive polymer. Examples o...

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Hauptverfasser:	YAMAZAKI YOTARO, IMAI KIMINORI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CONDUCTORS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INSULATORS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES 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:	PROBLEM TO BE SOLVED: To provide an electrolyte membrane for a fuel cell, which has excellent heat resistance and does not transmit methanol. SOLUTION: The electrolyte membrane for a fuel cell is composed of a composite membrane of an inorganic ion conductor and an ion-conductive polymer. Examples of the inorganic ion conductor include zeolites and inorganic oxides having ion conductivity for proton (H+) A membrane obtained by dispersing the inorganic ion conductor in a medium, suction-filtering the resultant dispersion through a filter medium to form an inorganic ion conductor membrane, adding a solution of the ion-conductive polymer to this membrane and then suction-filtering the mixture is dried, thereby obtaining the electrolyte membrane for a fuel cell composed of the composite membrane of the inorganic ion conductor and the ion-conductive polymer. COPYRIGHT: (C)2004,JPO