Polymer electrolyte membrane and fuel cell using the polymer electrolyte membrane

A polymer electrolyte membrane including a porous polymer matrix; and an ion conducting polymer coating membrane formed in the outer face of a single fiber in the porous polymer matrix is provided. The polymer electrolyte membrane can provide excellent mechanical strength, is not deteriorated by hea...

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Bibliographische Detailangaben
1. Verfasser:	CHO MYUNG-DONG,SUN HEE-YOUNG,LEE MYUNG-JIN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ELECTRICITY FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPRAYING OR ATOMISING IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	A polymer electrolyte membrane including a porous polymer matrix; and an ion conducting polymer coating membrane formed in the outer face of a single fiber in the porous polymer matrix is provided. The polymer electrolyte membrane can provide excellent mechanical strength, is not deteriorated by heat even at a temperature higher than 100 DEG C, can provide excellent ion conductivity even at non-humidified state, and thus is suitable for a fuel cell for using at high temperature. When the polymer matrix constituting the polymer electrolyte membrane made of a hydrophobic material is used in the direct methanol fuel cell, the crossover of the methanol can be effectively blocked.