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Synthesis and optimization of nano-porous La0.6Sr0.4CoO3-delta on the oxygen separation membrane
- Issue Date
- Mar-2007
- Publisher
- Elsevier BV
- Keywords
- La0.6Sr0.4CoO3-delta; nano; porous; oxygen separation; membrane
- Citation
- Materials Science and Engineering: A, v.449, pp 774 - 777
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials Science and Engineering: A
- Volume
- 449
- Start Page
- 774
- End Page
- 777
- ISSN
- 0921-5093
1873-4936
- Abstract
- The oxygen permeation flux of a La0.7Sr0.3Ga0.6Fe0.4O3-delta (LSGF) membrane was found to be lower than commercial membranes, so nano porous La0.6Sr0.4CoO3-delta (LSC) particles were coated on it to improve the oxygen permeation flux. The nano-porous LSC particles were synthesized with an increased surface area through the addition of a polymer on ultrasonic spray pyrolysis. The synthesized LSC particles consisted of nano-sized particles (20 nm) and the pore-size of the particles (20-100 nm) was dependent on the concentration of the added polymer. It was found that the LSGF membrane coated by the nano porous LSC particles resulted in a significant improvement in oxygen permeability. (c) 2006 Elsevier B.V. All rights reserved.
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)