Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 39, Issue 26, Pages 14071-14078Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.05.149
Keywords
Lanthanum strontium cobalt ferrite; Infiltration; Reversible solid oxide fuel cell; Solid oxide electrolysis cell
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Funding
- National Basic Research Program of China (973 Program) [2012CB215404]
- China Scholarship Council [201306430012]
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La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF)-YSZ (yttria stabilized zirconia) oxygen electrodes were developed by an infiltration process for reversible solid oxide fuel cells (RSOFCs). Electro-chemical performance of the LSCF-YSZ composite oxygen electrode was investigated in both fuel cell and steam electrolysis modes. Galvanostatic polarization operated at +/- 600 mA cm(-2) and 750 degrees C showed that the cell has a voltage degradation rate of 3.4% and 4.9% for fuel cell mode and steam electrolysis mode, respectively. Post-test SEM (scanning electronic microscopy) analysis of the electrodes indicates that the agglomeration of infiltrated LSCF particles is possibly responsible for the performance degradation of the cell. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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