REINFORCED ELECTROLYTE MEMBRANE FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL AND SOLID POLYMER FUEL CELL COMPRISING THE SAME

Disclosed is a reinforced electrolyte membrane for fuel cells, which is reinforced with a porous membrane. This reinforced electrolyte membrane for fuel cells is characterized in that voids are present in the surface of the porous membrane and/or the joined portion between the pore surfaces and the...

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Bibliographische Detailangaben
Hauptverfasser:	NOUJI, YASUNORI, INOUE, KYOJIRO, SUZUKI, HIROSHI
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Disclosed is a reinforced electrolyte membrane for fuel cells, which is reinforced with a porous membrane. This reinforced electrolyte membrane for fuel cells is characterized in that voids are present in the surface of the porous membrane and/or the joined portion between the pore surfaces and the electrolyte for suppressing swelling at the time when water is absorbed. This reinforced electrolyte membrane for fuel cells enables to improve dimensional stability even when the electrolyte is swelled. L'invention concerne une membrane d'électrolyte renforcée pour piles à combustible, qui est renforcée avec une membrane poreuse. Cette membrane d'électrolyte renforcée pour piles à combustible est caractérisée en ce que des vides sont présents dans la surface de la membrane poreuse et/ou la partie de jonction entre les surfaces des pores et l'électrolyte pour supprimer le gonflement au moment où l'eau est absorbée. Cette membrane d'électrolyte renforcée pour piles à combustible permet d'améliorer la stabilité dimensionnelle même quand l'électrolyte est gonflé.