期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 37, 期 -, 页码 84-87出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2013.10.019
关键词
Solid oxide fuel cells; LSCF cathodes; Chromium tolerance; GDC impregnation
资金
- Australian Research Council, Australia [LP110200281]
The electrochemical activities and chromium tolerances are studied on single phase La0.6Sr0.4Co0.2Fe0.8O3 (-) (delta) (LSCF) and Cd0.1Ce0.9O1.95 (CDC) impregnated LSCF (GDC-LSCF) cathodes of solid oxide fuel cells (SOFCs). GDC-LSCF electrode shows a significantly reduced electrode polarization resistance and more stable performance for the O-2 reduction reaction in the presence of chromia-forming metallic interconnect as compared to that on LSCF. The results indicate that the impregnated GDC nanoparticles serve as a barrier layer to enhance the resistance and tolerance of LSCF towards chromium deposition and poisoning. (C) 2013 Elsevier B.V. All rights reserved.
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