COMPOSITE HYDROGEN ION EXCHANGE MEMBRANE HAVING SEPARATION CAPACITY, COMPOSITE SOLUTION, ITS PRODUCTION METHOD, AND FUEL CELL CONTAINING IT

PROBLEM TO BE SOLVED: To provide a composite hydrogen ion exchange membrane having a separation capacity, a composite solution, its production method, and a fuel cell containing the same. SOLUTION: The composite ion exchange membrane has a structure in which a barrier substance being clay or an orga...

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Hauptverfasser:	KANG YOUN SU, CHOUN JEE WON, JON BUMU SOKU, WON JONGOK, CHO SAN UKU, O IN FAN, HA FUN YON
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a composite hydrogen ion exchange membrane having a separation capacity, a composite solution, its production method, and a fuel cell containing the same. SOLUTION: The composite ion exchange membrane has a structure in which a barrier substance being clay or an organically modified clay is dispersed in an ionically conductive polymer film. Such a composite ion exchange membrane is not markedly deteriorated in hydrogen ion diffusion though it selectively interrupts methanol. Further, it is advantageous in cost. The membrane can therefore be usefully used in a direct methanol fuel cell in which the fuel is methanol. COPYRIGHT: (C)2003,JPO