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Influence of substitution of Co with Ti on the oxygen adsorption properties of La-Sr-Co-Fe-O perovskite-type oxide
- Authors
- Magnone, Edoardo; Park, Jung Hoon
- Issue Date
- Jul-2014
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Adsorption; Oxygen separation; Perovskite; LSCF; LSTF; Titanium
- Citation
- MATERIALS LETTERS, v.127, pp 56 - 58
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- MATERIALS LETTERS
- Volume
- 127
- Start Page
- 56
- End Page
- 58
- ISSN
- 0167-577X
1873-4979
- Abstract
- The effects of total substitution of Cobalt (Co) by Titanium (Ti) on the oxygen uptake capacities and oxygen adsorption kinetics of La0.6Sr0.4Co0.2Fe0.8O3-d (LSCoF) perovskite-type oxides were investigated by thermal analysis. The novel La0.6Sr0.4Co0.2Fe0.8O3-d (LSTiF) perovskite-type oxides were studied in attempts to obtain higher oxygen sorption capacities. The nature of the transition metals clearly affects the oxygen uptake capacities. In both perovskite-type oxides, an increase of temperature from 700 degrees C to 900 degrees C increases the oxygen update capacity but with a substitution of Cobalt by Titanium in LSCoF, the oxygen adsorption capacity decreases to about 2 mug at 900 degrees C. (C) 2014 Elsevier B.V. All rights reserved.
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Related Researcher
- Park, Jung Hoon
- College of Engineering (Department of Chemical and Biochemical Engineering)