Bimetallic Pt-Ru nanowire network for anode material in a direct-methanol fuel cell

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dc.contributor.authorChoi, WCko
dc.contributor.authorWoo, Seong-Ihlko
dc.date.accessioned2019-03-06T11:58:14Z-
dc.date.available2019-03-06T11:58:14Z-
dc.date.created2012-02-06-
dc.date.issued2003-11-
dc.identifier.citationJOURNAL OF POWER SOURCES, v.124, no.24, pp.420 - 425-
dc.identifier.issn0378-7753-
dc.identifier.urihttp://hdl.handle.net/10203/250641-
dc.description.abstractA new bimetallic nanostructured Pt-Ru material is synthesized in an SBA-15 nanoreactor and compared with commercial Pt-Ru black (Johnson Matthey). Transmission electron microscopic and X-ray diffraction studies of the synthesized material show that, as with a network structure, the Pt-Ru nanowires are interconnected via smaller ones. The catalytic activity (measured in cyclic voltammetry (CV) experiments) for methanol electro-oxidation on the material is lower than that for commercial Pt-Ru black at potentials below 550 mV versus the reversible hydrogen electrode. By contrast, a direct-methanol fuel cell (DMFC) in which the nanostructured material is used as an anode material shows higher performance than with Pt-Ru black, because the network structure leads to an effective mass transfer in the membrane-electrode assembly. (C) 2003 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectMESOPOROUS SILICA SBA-15-
dc.subjectPLATINUM NETWORKS-
dc.subjectPERFORMANCE-
dc.subjectOXIDATION-
dc.subjectELECTROOXIDATION-
dc.subjectCATALYSTS-
dc.subjectALLOYS-
dc.subjectELECTROCATALYST-
dc.subjectABSORPTION-
dc.subjectTEMPLATE-
dc.titleBimetallic Pt-Ru nanowire network for anode material in a direct-methanol fuel cell-
dc.typeArticle-
dc.identifier.wosid000187023700006-
dc.identifier.scopusid2-s2.0-0242442136-
dc.type.rimsART-
dc.citation.volume124-
dc.citation.issue24-
dc.citation.beginningpage420-
dc.citation.endingpage425-
dc.citation.publicationnameJOURNAL OF POWER SOURCES-
dc.contributor.localauthorWoo, Seong-Ihl-
dc.contributor.nonIdAuthorChoi, WC-
dc.type.journalArticleArticle-
dc.subject.keywordAuthornanowire-
dc.subject.keywordAuthorfuel cell-
dc.subject.keywordAuthorplatinum-rhuthenium-
dc.subject.keywordAuthormethanol electro-oxidation-
dc.subject.keywordAuthormass transfer-
dc.subject.keywordAuthormembrane-electrode assembly-
dc.subject.keywordPlusMESOPOROUS SILICA SBA-15-
dc.subject.keywordPlusPLATINUM NETWORKS-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusOXIDATION-
dc.subject.keywordPlusELECTROOXIDATION-
dc.subject.keywordPlusCATALYSTS-
dc.subject.keywordPlusALLOYS-
dc.subject.keywordPlusELECTROCATALYST-
dc.subject.keywordPlusABSORPTION-
dc.subject.keywordPlusTEMPLATE-
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