期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 35, 期 18, 页码 9544-9549出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.06.065
关键词
Solid oxide cell; Planar; Performance; Pressure
资金
- Programme Commission on Sustainable Energy and Environment
Wind and solar power is troubled by large fluctuations in delivery due to changing weather. The surplus electricity can be used in a Solid Oxide Electrolyzer Cell (SOEC) to split CO2 + H2O into CO + H-2 (+O-2). The synthesis gas (CO + H-2) can subsequently be catalyzed into various types of synthetic fuels using a suitable catalyst. As the catalyst operates at elevated pressure the fuel production system can be simplified by operating the SOEC at elevated pressure. Here we present the results of a cell test with pressures ranging from 0.4 bar to 10 bar. The cell was tested both as an SOEC and as a Solid Oxide Fuel Cell (SOFC). In agreement with previous reports, the SOFC performance increases with pressure. The SOEC performance, at 750 degrees C, was found to be weakly affected by the pressure range in this study, however the internal resistance decreased significantly with increasing pressure. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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