Heterogeneous nanograin structured NiO-YSZ anodes via a water-in-oil microemulsion route for solid oxide fuel cells

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dc.contributor.authorRath, Manasa K.ko
dc.contributor.authorJung, Yong Minko
dc.contributor.authorPark, Jeong Hwako
dc.contributor.authorJoh, Dong Wooko
dc.contributor.authorLee, Kang Taekko
dc.date.accessioned2020-03-19T03:20:27Z-
dc.date.available2020-03-19T03:20:27Z-
dc.date.created2020-03-02-
dc.date.created2020-03-02-
dc.date.issued2017-11-
dc.identifier.citationJOURNAL OF ALLOYS AND COMPOUNDS, v.723, pp.681 - 688-
dc.identifier.issn0925-8388-
dc.identifier.urihttp://hdl.handle.net/10203/272783-
dc.description.abstractA unique nanostructured NiO-yttria-stabilized zirconia (YSZ) composite is synthesized in-situ via a water-in-oil microemulsion technique for the solid oxide fuel cell (SOFC) anode. Thermogravimetric analysis and X-ray diffraction confirm that as-synthesized powders are crystallized in-situ at similar to 500 degrees C as the distinct NiO and YSZ phases without any impurities. Moreover, transmission electron microscopy analysis reveals that the as-synthesized primary particles via microemulsion are similar to 40 nm in size and have a characteristic structure in which NiO and YSZ nanograins are heterogeneously distributed. The electrochemical activity of the nanostructured NiO-YSZ composite is evaluated using an YSZ supported cell with a La0.8Sr0.2MnO3-delta-YSZ (50: 50 wt.%) cathode. The maximum power density of the SOFC employing the microemulsion-mediated NiO-YSZ anode is 2.2 times greater than that of the SOFC with the conventionally ball-milled nano-sized NiO-YSZ anode. The higher performance with our nanocomposite NiO-YSZ anode is primarily attributed to its heterogeneous nanograin structure, thus leading to a significant increase in triple phase boundary densities. (C) 2017 Elsevier B. V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.titleHeterogeneous nanograin structured NiO-YSZ anodes via a water-in-oil microemulsion route for solid oxide fuel cells-
dc.typeArticle-
dc.identifier.wosid000407009400086-
dc.identifier.scopusid2-s2.0-85021435951-
dc.type.rimsART-
dc.citation.volume723-
dc.citation.beginningpage681-
dc.citation.endingpage688-
dc.citation.publicationnameJOURNAL OF ALLOYS AND COMPOUNDS-
dc.identifier.doi10.1016/j.jallcom.2017.06.294-
dc.contributor.localauthorLee, Kang Taek-
dc.contributor.nonIdAuthorRath, Manasa K.-
dc.contributor.nonIdAuthorJung, Yong Min-
dc.contributor.nonIdAuthorPark, Jeong Hwa-
dc.contributor.nonIdAuthorJoh, Dong Woo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorSolid oxide fuel cells-
dc.subject.keywordAuthorAnode-
dc.subject.keywordAuthorNanocomposite-
dc.subject.keywordAuthorMicroemulsion-
dc.subject.keywordAuthorNiO-YSZ-
dc.subject.keywordAuthorTriple phase boundaries-
dc.subject.keywordPlusCOMBUSTION SYNTHESIS-
dc.subject.keywordPlusDIRECT OXIDATION-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusHYDROCARBONS-
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