Low-Temperature Fabrication of Oxide Composites for Solid-Oxide Fuel Cells

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dc.contributor.authorHe, Hongpeng
dc.contributor.authorHuang, Yingyi
dc.contributor.authorVohs, John M
dc.contributor.authorGorte, Raymond J
dc.contributor.authorVohs, John M
dc.contributor.authorGorte, Raymond J
dc.date2023-05-16T21:45:52.000
dc.date.accessioned2023-05-22T12:39:52Z
dc.date.available2023-05-22T12:39:52Z
dc.date.issued2004-03-01
dc.date.submitted2004-11-29T09:31:26-08:00
dc.description.abstractComposites of yttria-stabilized zirconia (YSZ) with Sr-doped LaCrO3 (LSC) and Sr-doped LaMnO3 (LSM) were prepared by impregnation of a porous YSZ matrix with aqueous solutions of the appropriate metal salts, followed by sintering to various temperatures. XRD measurements showed that perovskite phases formed after sintering at 1073 K, a temperature well below that at which solid-state reactions with YSZ occur. The conductivities of the LSC–YSZ and LSM–YSZ composites prepared in this way were maximized at a sintering temperature of 1373 K for LSC–YSZ and 1523 K for LSM–YSZ, although reasonable conductivities were achieved at much lower temperatures. The conductivities of the two composites increased much more rapidly with the content of the conductive oxide than has been found with conventional composites formed by mixing and sintering the oxide powders. The implications for using this approach to develop novel electrodes for SOFC applications are discussed.
dc.description.commentsCopyright The American Ceramic Society. Reprinted from <i>Journal of the American Ceramic Society</i>, Volume 87, Issue 3, March 2004, pages 331-336.<br> Publisher URL: <a href="http://www.ceramicjournal.org/issues/v87n3/pdf/6414.pdf" >http://www.ceramicjournal.org/issues/v87n3/pdf/6414.pdf</a>
dc.description.comments<br>Copyright The American Ceramic Society. Reprinted from <i>Journal of the American Ceramic Society</i>, Volume 87, Issue 3, March 2004, pages 331-336.<br> Publisher URL: http://www.ceramicjournal.org/issues/v87n3/pdf/6414.pdf <br><p>
dc.identifier.urihttps://repository.upenn.edu/handle/20.500.14332/5758
dc.legacy.articleid1013
dc.legacy.fulltexturlhttps://repository.upenn.edu/cgi/viewcontent.cgi?article=1013&amp;context=cbe_papers&amp;unstamped=1
dc.source.issue11
dc.source.journalDepartmental Papers (CBE)
dc.source.peerreviewedtrue
dc.source.statuspublished
dc.titleLow-Temperature Fabrication of Oxide Composites for Solid-Oxide Fuel Cells
dc.typeArticle
digcom.contributor.authorHe, Hongpeng
digcom.contributor.authorHuang, Yingyi
digcom.contributor.authorRegal, Juleiga
digcom.contributor.authorBoaro, Marta
digcom.contributor.authorisAuthorOfPublication|email:vohs@seas.upenn.edu|institution:University of Pennsylvania|Vohs, John M
digcom.contributor.authorisAuthorOfPublication|email:gorte@seas.upenn.edu|institution:University of Pennsylvania|Gorte, Raymond J
digcom.identifiercbe_papers/11
digcom.identifier.contextkey33849
digcom.identifier.submissionpathcbe_papers/11
digcom.typearticle
dspace.entity.typePublication
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relation.isAuthorOfPublication147f21f3-b05a-4b4a-9ea6-fa1f4ecb9f78
relation.isAuthorOfPublicationc6766e0b-b0f0-4f6c-a5d7-df1823a94b97
relation.isAuthorOfPublication.latestForDiscovery147f21f3-b05a-4b4a-9ea6-fa1f4ecb9f78
upenn.schoolDepartmentCenterDepartmental Papers (CBE)
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