期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 163, 期 11, 页码 F3190-F3196出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0261611jes
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资金
- Estonian target research project [UT-20-13]
- EU through the European Regional Development Fund [TK141]
- Estonian Science Foundation [9352, 8860]
- European Regional Development Fund: Estonian Materials Technology project [3.2.1101.12-0014]
- European Regional Development Fund: Estonian Energy Technology project [3.2.0501.10-0015]
- European Regional Development Fund: Nanomaterials - research and applications (NAMUR) project [3.2.0304.12-0397]
Ceramic materials with perovskite structure have recently attracted attention as possible redox stable, sulfur- and carbon tolerant cathode materials for solid oxide electrolysis cells. In this study ceramic SOE single cell was fabricated using impregnation method. La0.8Sr0.2Cr0.5Mn0.5O3-delta-Zr0.94Sc0.06O2-delta cathode was activated with CeO2 and Pd nanoparticles and investigated as potential solid oxide co-electrolysis cell cathode at various working temperatures, cell potentials and inlet gas compositions. Based on the electrochemical measurements data the single cell performed the same in co-electrolysis and water electrolysis modes having total polarization resistance 0.52 Omega cm(2) (at 750 degrees C at 1.3 V). Analysis of gas chromatography data shows that the ratio between produced H-2 and CO gases decreased with increase of temperature, from 10.5 to 0.76 at 650 degrees C and 800 degrees C, respectively. Also the H-2/CO ratio decreased with steam content in inlet gas. (C) 2016 The Electrochemical Society. All rights reserved.
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