Composite ion-exchange membrane, fabrication method of the same, and membrane-electrode assembly, and polymer electrolyte fuel cell having the same

• Main Authors: PARK SEUNG BAE, RHEE HEE-WOO, KIM YOUNG-TAEK, PARK JIN HO, SONG MIN-KYU
• Format: Patent
• Language: English
• Published: 11.07.2006
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; COMPOSITIONS BASED THEREON; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; 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; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

The present invention relates to a composite ion-exchange membrane that can exhibit good conductivity at high temperatures, methods to produce the polymer membrane, membrane-electrode assemblies that comprise one or more of such polymers, and polymer electrolyte fuel cells that comprise one or more of such electrode assemblies.