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Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, metal-air batteries, ceramic membranes, PEMFC

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Electrochemical performance of YST infiltrated and fe doped YST infiltrated YSZ anodes for IT-SOFC

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Title
Electrochemical performance of YST infiltrated and fe doped YST infiltrated YSZ anodes for IT-SOFC
Author
Sengodan, SivaprakashYoon, Jong SeolYoon, Mi YoungHwang, Hae JinShin, JeeyoungKim, Guntae
Keywords
OXIDE FUEL-CELLS; ELECTRICAL-CONDUCTIVITY; PEROVSKITES; OXIDATION; METHANE; CATHODES; SRTIO3; CO
Issue Date
2013
Publisher
The Electrochemical Society
Citation
ECS ELECTROCHEMISTRY LETTERS, v.2, no.6, pp.F45 - F49
Abstract
Donor doped and donor-acceptor co-doped strontium titanate perovskite are investigated for intermediate temperature solid oxide fuel cells (IT-SOFCs) anodes. Y0.08Sr0.88TiO3-delta and Y0.08Sr0.92Ti1-xFexO3-delta (x = 0.2, 0.4) anodes were prepared by infiltration in 65% porous yttria stabilized zirconia (YSZ) scaffolds. The microstructure and electrical conductivity of Y0.08Sr0.88TiO3-delta and Y0.08Sr0.92Ti1-xFexO3-delta strongly depends on Fe content. The conductivity of Y0.08Sr0.88TiO3-delta andY(0.08)Sr(0.92)Ti(1-x)Fe(x)O(3-delta); decreases with increasing Fe content in humidified H-2. Y0.08Sr0.88TiO3-delta, Y0.08Sr0.92Ti0.8Fe0.2O3-delta, and Y0.08Sr0.92Ti0.6Fe0.4O3-delta, anodes with a Pd/CeO2 catalyst show peak power density of 298, 421, and 321 mW cm(-2), respectively, in wet H-2 at 1073 K.
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DOI
http://dx.doi.org/10.1149/2.004306eel
ISSN
2162-8726
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