Coelectrolysis of steam and CO2 in a solid oxide electrolysis cell with ceramic composite electrodes

Title
Coelectrolysis of steam and CO2 in a solid oxide electrolysis cell with ceramic composite electrodes
Authors
윤성은송상현최재원안재영김병국박종성
Keywords
고온동시전기분해; 세라믹복합전극; 고체산화물셀; Coelectrolysis; Solid oxide electrolysis cell; Catalyst; Lanthanum strontium vanadate
Issue Date
2014-04
Publisher
International journal of hydrogen energy
Citation
VOL 39, NO 11, 5497-5504
Abstract
Lanthanum strontium vanadate (LSV) was used as the cathode of a solid oxide electrolysis cell (SOEC) containing a yttria-stabilized zirconia (YSZ) electrolyte for the coelectrolysis of steam and CO2. Pd and CeO2 were added to the composite cathode, and the electrolysis mechanism in the coelectrolysis mode changed according to the type of catalyst in the LSV/YSZ composite cathode. The effect of steam on the coelectrolysis performance was investigated by varying the steam vapor pressure. The electrolysis performance under dry CO2 without steam degraded with time under electrochemical reduction conditions owing to the deactivation of catalysts.
URI
http://pubs.kist.re.kr/handle/201004/48667
ISSN
03603199
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KIST Publication > Article
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