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

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Nanostructured Double Perovskite Cathode With Low Sintering Temperature For Intermediate Temperature Solid Oxide Fuel Cells

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dc.contributor.author Kim, Seona ko
dc.contributor.author Jun, Areum ko
dc.contributor.author Kwon, Ohhun ko
dc.contributor.author Kim, Junyoung ko
dc.contributor.author Yoo, Seonyoung ko
dc.contributor.author Jeong, Hu Young ko
dc.contributor.author Shin, Jeeyoung ko
dc.contributor.author Kim, Guntae ko
dc.date.available 2015-11-03T05:20:34Z -
dc.date.created 2015-11-03 ko
dc.date.issued 2015-09 ko
dc.identifier.citation CHEMSUSCHEM, v.8, no.18, pp.3153 - 3158 ko
dc.identifier.issn 1864-5631 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/17681 -
dc.description.abstract This study focuses on reducing the cathode polarization resistance through the use of mixed ionic electronic conductors and the optimization of cathode microstructure to increase the number of electrochemically active sites. Among the available mixed ionic electronic conductors (MIECs), the layered perovskite GdBa0.5Sr0.5CoFeO5+delta (GBSCF) was chosen as a cathode material for intermediate temperature solid oxide fuel cells owing to its excellent electrochemical performance and structural stability. The optimized microstructure of a GBSCF-yttria-stabilized zirconia (YSZ) composite cathode was prepared through an infiltration method with careful control of the sintering temperature to achieve high surface area, adequate porosity, and well-organized connection between nanosized particles to transfer electrons. A symmetric cell shows outstanding results, with the cathode exhibiting an area-specific resistance of 0.006 Omega cm(2) at 700 degrees C. The maximum power density of a single cell using Ce-Pd anode with a thickness of similar to 80 mu m electrolyte was similar to 0.6 Wcm(-2) at 700 degrees C ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher WILEY-V C H VERLAG GMBH ko
dc.title Nanostructured Double Perovskite Cathode With Low Sintering Temperature For Intermediate Temperature Solid Oxide Fuel Cells ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84941882531 ko
dc.identifier.wosid 000362729300020 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.description.scopustc 0 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-03 *
dc.identifier.doi 10.1002/cssc.201500509 ko
dc.identifier.url http://onlinelibrary.wiley.com/doi/10.1002/cssc.201500509/abstract ko
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