Catalytic Activity Enhancement for Oxygen Reduction on Epitaxial Perovskite Thin Films for Solid-Oxide Fuel Cells

Gerardo Jose la O', Sung-Jin Ahn, Ethan Crumlin, Yuki Orikasa, Michael D. Biegalski, Hans M. Christen, Yang Shao-Horn

Research output: Contribution to journalArticlepeer-review

123 Scopus citations

Abstract

Figure Presented The active ingredient: La0.8Sr 0.2CoO3-δ (LSC) epitaxial thin films are prepared on (001 )-oriented yttria-stabilized zirconia (YSZ) single crystals with a gadolinium-doped ceria (GDC) buffer layer (see picture). The LSC epitaxial films exhibit better oxygen reduction kinetics than bulk LSC. The enhanced activity is attributed in part to higher oxygen nonstoichiometry. © 2010 Wiley-VCH Verlag GmbH & Co. KCaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)5344-5347
Number of pages4
JournalAngewandte Chemie International Edition
Volume49
Issue number31
DOIs
StatePublished - Jun 22 2010
Externally publishedYes

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