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Synthesis and electrocatalytic performance of La0.3Ce0.1Sr0.5Ba0.1TiO3 anode catalyst for solid oxide fuel cells |
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| Affiliation: | 1. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 2V4, Canada;2. College of Biological and Pharmaceutical Science, China Three Gorges University, Yichang 443002, China;3. Department of Chemistry, University of Calgary, Alberta T2N 1N4, Canada |
| Abstract: | Ce-doped La0.4Sr0.5Ba0.1TiO3–δ (LCSBT) perovskite anode catalysts in solid oxide fuel cells were successfully synthesized by a modified rheological phase reaction for the first time. Pure LCSBT could be obtained under a reducing atmosphere and nano-CeO2 particles could be exsoluted from LCSBT after being sintered in air. The catalytic activity and electrochemical performance of LCSBT anodes for the H2 oxidation were obviously improved comparing with the pure La0.4Sr0.5Ba0.1TiO3–δ (LSBT) and LSBT&CeO2 admixture anodes. The improved performance could be attributed to the nanostructure of LCSBT and the exsoluted nano-CeO2 particles. |
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