Analysis of chemical, electrochemical reactions and thermo-fluid flow in methane-feed internal reforming SOFCs: Part II-temperature effect

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dc.contributor.authorPark, Joonguenko
dc.contributor.authorLi, Peiwenko
dc.contributor.authorBae, Joongmyeonko
dc.date.accessioned2013-03-12T08:47:20Z-
dc.date.available2013-03-12T08:47:20Z-
dc.date.created2012-07-02-
dc.date.created2012-07-02-
dc.date.issued2012-05-
dc.identifier.citationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.37, no.10, pp.8532 - 8555-
dc.identifier.issn0360-3199-
dc.identifier.urihttp://hdl.handle.net/10203/101821-
dc.description.abstractIn order to study the heat and mass transfer characteristics of direct internal reforming solid oxide fuel cells (DIR SOFCs), this research conducted a 3D numerical simulation to a large single cell having an active area of 25 cm(2) with parallel fuel and air flow channels. Reaction rate distributions by the chemical kinetics models are presented as numerical results. The electrochemical oxidations of carbon monoxide and hydrogen were both considered to contribute to the fuel cell local current densities. The average current density contributed by carbon monoxide was found being as high as 568.7 A/m(2) under an operation temperature of 850 degrees C, which was 10 times greater than that under a temperature of 650 degrees C. When considering the current density contributed by electrochemical reaction of hydrogen, an average current density of 7949.2 A/m(2) was seen at the temperature of 850 degrees C. The total average current density under operating temperature of 650 degrees C was as high as 3802.9 A/m(2), and it increased to 8517.9 A/m(2) under an operating temperature of 850 degrees C. The effect of the inlet fuel and air temperature to the maximum and average current densities due to electrochemical reactions of carbon monoxide and hydrogen were also investigated. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectOXIDE FUEL-CELLS-
dc.subjectCARBON-MONOXIDE-
dc.subjectHEAT-TRANSFER-
dc.subjectSIMULATION-
dc.subjectANODE-
dc.subjectPERFORMANCE-
dc.subjectELECTRODES-
dc.subjectHYDROGEN-
dc.subjectCERMET-
dc.subjectGASES-
dc.titleAnalysis of chemical, electrochemical reactions and thermo-fluid flow in methane-feed internal reforming SOFCs: Part II-temperature effect-
dc.typeArticle-
dc.identifier.wosid000305040400046-
dc.identifier.scopusid2-s2.0-84860384828-
dc.type.rimsART-
dc.citation.volume37-
dc.citation.issue10-
dc.citation.beginningpage8532-
dc.citation.endingpage8555-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF HYDROGEN ENERGY-
dc.identifier.doi10.1016/j.ijhydene.2012.02.109-
dc.contributor.localauthorBae, Joongmyeon-
dc.contributor.nonIdAuthorLi, Peiwen-
dc.type.journalArticleArticle-
dc.subject.keywordAuthor3D numerical modeling-
dc.subject.keywordAuthorPlanar type internal reforming solid oxide fuel cells-
dc.subject.keywordAuthorChemical kinetics-
dc.subject.keywordAuthorElectrochemical reactions-
dc.subject.keywordAuthorHeat and mass transfer-
dc.subject.keywordPlusOXIDE FUEL-CELLS-
dc.subject.keywordPlusCARBON-MONOXIDE-
dc.subject.keywordPlusHEAT-TRANSFER-
dc.subject.keywordPlusSIMULATION-
dc.subject.keywordPlusANODE-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusELECTRODES-
dc.subject.keywordPlusHYDROGEN-
dc.subject.keywordPlusCERMET-
dc.subject.keywordPlusGASES-
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