Tailoring the surface of perovskite oxide for enhanced oxygen exchange kinetics

Abstract

Nanocrystalline perovskite structured La<sub>0.6</sub>Sr<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3-δ</sub> (LSCF) considered as a promising cathode material for solid oxide fuel cells (SOFCs). The performance of LSCF electrode is limited by the transport of oxygen ions at the oxide surface, which is the rate determining step of oxygen reduction… (More)

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