Development of a PrBaMn2O5+delta-La0.8Sr0.2Ga0.85Mg0.15O3-delta composite electrode by scaffold infiltration for reversible solid oxide fuel cell applications

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dc.contributor.authorKwon, Youngjinko
dc.contributor.authorKang, Sungminko
dc.contributor.authorBae, Joongmyeonko
dc.date.accessioned2020-03-19T01:28:07Z-
dc.date.available2020-03-19T01:28:07Z-
dc.date.created2020-03-02-
dc.date.created2020-03-02-
dc.date.created2020-03-02-
dc.date.issued2020-01-
dc.identifier.citationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.45, no.3, pp.1748 - 1758-
dc.identifier.issn0360-3199-
dc.identifier.urihttp://hdl.handle.net/10203/272427-
dc.description.abstractIn this study, a PrBaMn2O5+delta (PBMO)-La0.8Sr0.2Ga0.85Mg0.15O3-delta (LSGM) composite catalyst was developed for use in a reversible solid oxide fuel cell (SOFC) electrode. Through a chemical compatibility test, a heat treatment temperature at which secondary phases did not form between LSGM and PBMO was determined, and a PBMO-LSGM composite electrode material was synthesized by a scaffold infiltration technique capable of synthesizing a catalyst within the appropriate temperature range. A half-cell test consisting of two identical PBMO-LSGM composite electrodes supported on LSGM pellets found that the optimum infiltration amount of PBMO with respect to the LSGM scaffold was approximately 20 wt%. Electrochemical performance measurements under reversible SOFC operating conditions on a half-cell with 19.7 wt% PBMO-LSGM composite electrodes showed a specific resistance and activation energy significantly lower than those of conventional Ni-based cermet and perovskite-type materials, indicating that the developed PBMO-LSGM composite electrode is a promising electrocatalyst for reversible SOFCs.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.titleDevelopment of a PrBaMn2O5+delta-La0.8Sr0.2Ga0.85Mg0.15O3-delta composite electrode by scaffold infiltration for reversible solid oxide fuel cell applications-
dc.typeArticle-
dc.identifier.wosid000509629700036-
dc.identifier.scopusid2-s2.0-85076239132-
dc.type.rimsART-
dc.citation.volume45-
dc.citation.issue3-
dc.citation.beginningpage1748-
dc.citation.endingpage1758-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF HYDROGEN ENERGY-
dc.identifier.doi10.1016/j.ijhydene.2019.11.054-
dc.contributor.localauthorBae, Joongmyeon-
dc.contributor.nonIdAuthorKwon, Youngjin-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorReversible solid oxide fuel cell-
dc.subject.keywordAuthorSolid oxide fuel cell-
dc.subject.keywordAuthorSolid oxide electrolysis cell-
dc.subject.keywordAuthorElectrocatalyst-
dc.subject.keywordAuthorLayered perovskite-
dc.subject.keywordPlusYTTRIA-STABILIZED ZIRCONIA-
dc.subject.keywordPlusELECTRICAL-CONDUCTIVITY-
dc.subject.keywordPlusPEROVSKITE OXIDE-
dc.subject.keywordPlusYSZ COMPOSITES-
dc.subject.keywordPlusDOPED LACRO3-
dc.subject.keywordPlusANODE-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusDEGRADATION-
dc.subject.keywordPlusCATHODE-
dc.subject.keywordPlusSTEAM-
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