Application of electroless plating process for multiscale Ni-La0.8Sr0.2Ga0.8Mg0.2O3-sigma SOFC anode fabrication

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dc.contributor.authorKang, Juhyunko
dc.contributor.authorLee, Kunhoko
dc.contributor.authorYoo, Jae-Youngko
dc.contributor.authorBae, Joongmyeonko
dc.date.accessioned2018-04-24T06:34:14Z-
dc.date.available2018-04-24T06:34:14Z-
dc.date.created2018-04-18-
dc.date.created2018-04-18-
dc.date.issued2018-03-
dc.identifier.citationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.43, no.12, pp.6400 - 6405-
dc.identifier.issn0360-3199-
dc.identifier.urihttp://hdl.handle.net/10203/241433-
dc.description.abstractAn electroless plating process of nickel is introduced to solve the drawbacks of impregnation for developing the multiscale anode of a solid oxide fuel cell (SOFC). Impregnation is the conventional fabrication method of the electrode. The process is not favorable for depositing nanoscale metal catalysts due to severe problems including agglomeration of the catalysts while reducing metal oxides. Thus, as an alternative, we propose electroless plating of nickel to fabricate a multiscale nickel-based SOFC anode. A Ni-LSGM (La0.8Sr0.2-Ga0.8Mg0.2O3-sigma) anode is selected. The low chemical compatibility of LSGM with nickel emphasizes the advantage of the electroless plating process. First, nanoscale nickel particles are successfully applied as the main catalyst of the SOFC anode by plating nickel to the surface of the LSGM scaffold substrate near the triple phase boundary region. Thin film X-ray diffraction and image analysis confirm that pure nanoscale nickel particles form on the entire substrate, even at a low temperature (60 degrees C) without secondary phase formation. Electrochemical impedance spectroscopy analysis is then performed to verify the possibility of implementing an efficient Ni-LSGM anode through nickel electroless plating. As a result, the new Ni-LSGM anode shows similar to 50 times higher electrochemical performance than that of an impregnated Ni-LSGM anode. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectOXIDE FUEL-CELLS-
dc.subjectMETAL-SUPPORTED SOFCS-
dc.subjectNANOPARTICLES-
dc.subjectINFILTRATION-
dc.subjectPERFORMANCE-
dc.subjectDEPOSITION-
dc.subjectHYDRAZINE-
dc.subjectSTABILITY-
dc.titleApplication of electroless plating process for multiscale Ni-La0.8Sr0.2Ga0.8Mg0.2O3-sigma SOFC anode fabrication-
dc.typeArticle-
dc.identifier.wosid000428823900038-
dc.identifier.scopusid2-s2.0-85042508400-
dc.type.rimsART-
dc.citation.volume43-
dc.citation.issue12-
dc.citation.beginningpage6400-
dc.citation.endingpage6405-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF HYDROGEN ENERGY-
dc.identifier.doi10.1016/j.ijhydene.2018.01.147-
dc.contributor.localauthorBae, Joongmyeon-
dc.contributor.nonIdAuthorYoo, Jae-Young-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorSolid oxide fuel cell-
dc.subject.keywordAuthorMultiscale electrode structure-
dc.subject.keywordAuthorNickel electroless plating-
dc.subject.keywordAuthorNanoscale catalyst-
dc.subject.keywordAuthorNi-LSGM-
dc.subject.keywordPlusOXIDE FUEL-CELLS-
dc.subject.keywordPlusMETAL-SUPPORTED SOFCS-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusINFILTRATION-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusDEPOSITION-
dc.subject.keywordPlusHYDRAZINE-
dc.subject.keywordPlusSTABILITY-
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