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dc.contributor.authorYe, Yun-Shengen_US
dc.contributor.authorChen, Wen-Yien_US
dc.contributor.authorHuang, Yao-Jhengen_US
dc.contributor.authorCheng, Ming-Yaoen_US
dc.contributor.authorYen, Ying-Chiehen_US
dc.contributor.authorCheng, Chih-Chiaen_US
dc.contributor.authorChang, Feng-Chihen_US
dc.date.accessioned2014-12-08T15:48:05Z-
dc.date.available2014-12-08T15:48:05Z-
dc.date.issued2010-10-15en_US
dc.identifier.issn0376-7388en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.memsci.2010.06.004en_US
dc.identifier.urihttp://hdl.handle.net/11536/32069-
dc.description.abstractThe present present paper describes the development of a novel proton exchange membrane comprising a poly (styrene sulfonic acid-co-4-vinylpyridine) copolymer that was crosslinked with a haloalkyl crosslinker through the formation of ionic bonding linkages The nucleophilic substitution of these crosslinked membranes as well as a model reaction between pyridine and 1-bromobutane was confirmed by nuclear magnetic resonance (NMR) Tough and flexible membranes of a high mechanical strength were prepared. They demonstrated very elevated thermal, hydrolytic and oxidative stabilities as compared to other sulfonated polymers. The crosslinked membrane composed of zwitterionic molecules with a crosslinking fraction of 90.3, denoted SP-1, exhibited a proton conductivity of ca 7 1 x 10(-2) S cm(-1) at 30 degrees C under 90% relative humidity; a value comparable to that of Nafion 117 Moreover, the crosslinked SP-1 membrane possessed the highest selectivity for methanol fuel cells (3 38 x 10(5) S cm(-3) s), approximately five times that of Nafion 117. thus implying its potential for practical use in high-energy-density devices (C) 2010 Elsevier B.V All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectFuel cellsen_US
dc.subjectPolymer-electrolyte membraneen_US
dc.subjectSulfonated polymeren_US
dc.subjectCrosslinked membranesen_US
dc.subjectProton conductoren_US
dc.titlePreparation and characterization of high-durability zwitterionic crosslinked proton exchange membranesen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.memsci.2010.06.004en_US
dc.identifier.journalJOURNAL OF MEMBRANE SCIENCEen_US
dc.citation.volume362en_US
dc.citation.issue1-2en_US
dc.citation.spage29en_US
dc.citation.epage37en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000281571100003-
dc.citation.woscount20-
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