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Kim, Guntae
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, PEMFC, metal-air batteries, Metal-CO2 system, Catalyst for DRM


SOFC anodes based on LST-YSZ composites and on Y0.04Ce 0.48Zr0.48O2

DC Field Value Language Kim, Guntae ko Gross, Michael D. ko Wang, Wensheng ko Vohs, John M. ko Gorte, Raymond J. ko 2014-09-29T01:34:06Z - 2014-09-25 ko 2008 ko
dc.identifier.citation JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.155, no.4, pp.B360 - B366 ko
dc.identifier.issn 0013-4651 ko
dc.identifier.uri -
dc.identifier.uri ko
dc.description.abstract The properties of solid oxide fuel cell (SOFC) anode functional layers prepared by impregnation of 1 wt % Pd and 10 wt % ceria into porous scaffolds of either Y0.04 Ce0.48 Zr0.48 O2 (CZY) or composites of La0.3 Sr0.7 Ti O3 (LST) and yttria-stabilized zirconia (YSZ) were examined to determine whether these scaffold materials would have sufficient electronic and ionic conductivity. Laminated tapes were cofired to produce 50 μm YSZ electrolytes and 50 μm scaffolds, supported on LSF-YSZ cathodes. The electronic conductivities of LST-YSZ composites were a function of the porosity and the weight fraction of LST but could be sufficient for use in thin functional layers. However, anodes made with LST-YSZ composites had higher nonohmic losses than cells made with YSZ scaffolds. With CZY scaffolds, some migration of Ce into the YSZ electrolyte was observed after cofiring. While CZY exhibited electronic conductivity, the loss in ionic conductivity compared to YSZ again resulted in higher nonohmic losses. The implications of these results for producing better ceramic anodes are discussed. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.subject OXIDE FUEL-CELLS ko
dc.subject DIRECT OXIDATION ko
dc.subject CERIA ko
dc.subject HYDROCARBONS ko
dc.subject PEROVSKITES ko
dc.subject PERFORMANCE ko
dc.subject ENTHALPIES ko
dc.subject REDUCTION ko
dc.subject STABILITY ko
dc.title SOFC anodes based on LST-YSZ composites and on Y0.04Ce 0.48Zr0.48O2 ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-40549114331 ko
dc.identifier.wosid 000253761700017 ko
dc.type.rims ART ko
dc.description.wostc 35 *
dc.description.scopustc 34 * 2015-05-06 * 2014-09-25 *
dc.identifier.doi 10.1149/1.2840473 ko
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