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Enhanced oxygen intake/release kinetics of BaYMn2O5+δ fine powders prepared by a wet-chemical route

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Title: Enhanced oxygen intake/release kinetics of BaYMn2O5+δ fine powders prepared by a wet-chemical route
Authors: MOTOHASHI, Teruki Browse this author
UEDA, Taku Browse this author
MASUBUCHI, Yuji Browse this author →KAKEN DB
KIKKAWA, Shinichi Browse this author
Keywords: Oxygen storage materials
Double-perovskite manganese oxides
Oxygen intake/release
Wet-chemical synthesis route
Issue Date: 1-Nov-2011
Publisher: Ceramic Society of Japan
Journal Title: Journal of the Ceramic Society of Japan
Volume: 119
Issue: 1395
Start Page: 894
End Page: 897
Publisher DOI: 10.2109/jcersj2.119.894
Abstract: The effect of grain size on the oxygen intake/release kinetics were investigated for double-perovskite type BaYMn2O5+δ (δ = 0.0–1.0). The preparation of BaYMn2O5+δ with larger specific surface area was achieved by low-temperature firing (down to 900°C) of precursors obtained from a wet-chemical route. The oxygen intake/release rates at 500°C were found to increase significantly in the resultant BaYMn2O5+δ fine powders, indicating a key role of the powder surface in the oxygen intake/release processes.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鱒渕 友治

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