Journal
JOURNAL OF MEMBRANE SCIENCE
Volume 351, Issue 1-2, Pages 16-20Publisher
ELSEVIER
DOI: 10.1016/j.memsci.2010.01.022
Keywords
Kinetic demixing; Kinetic decomposition; Perovskite; Long-term operation; Permeation measurement; MIEC membrane; Degradation
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Funding
- German government
- Bundesministerium fur Wirtschaft und Technologie [0327739B]
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During the long-term operation of a La0.58Sr0.4Co0.2Fe0.8O3-delta (LSCF) membrane at 800 C for nearly 3000 h, a stable permeation flux of (0.15 +/- 0.01) ml cm(-2) min(-1) oxygen was achieved. Nevertheless degradation of the membrane surfaces due to kinetic demixing of mobile cations was observed. Different oxide layers were found on the feed and the permeate surfaces of the membrane. (C) 2010 Elsevier B.V. All rights reserved.
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