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Brownmillerite-type Ca2FeCoO5 as a Practicable Oxygen Evolution Reaction Catalyst

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Title: Brownmillerite-type Ca2FeCoO5 as a Practicable Oxygen Evolution Reaction Catalyst
Authors: Tsuji, Etsushi Browse this author
Motohashi, Teruki Browse this author
Noda, Hiroyuki Browse this author
Kowalski, Damian Browse this author
Aoki, Yoshitaka Browse this author
Tanida, Hajime Browse this author
Niikura, Junji Browse this author
Koyama, Yukinori Browse this author
Mori, Masahiro Browse this author
Arai, Hajime Browse this author
Ioroi, Tsutomu Browse this author
Fujiwara, Naoko Browse this author
Uchimoto, Yoshiharu Browse this author
Ogumi, Zempachi Browse this author
Habazaki, Hiroki Browse this author →KAKEN DB
Keywords: brownmillerite
oxygen evolution reaction
transition metals
Issue Date: 21-Jul-2017
Publisher: Wiley-Blackwell
Journal Title: ChemSusChem
Volume: 10
Issue: 14
Start Page: 2864
End Page: 2868
Publisher DOI: 10.1002/cssc.201700499
PMID: 28544652
Abstract: Here, we report remarkable oxygen evolution reaction (OER) catalytic activity of brownmillerite (BM)-type Ca2FeCoO5. The OER activity of this oxide is comparable to or beyond those of the state-of-the-art perovskite (PV)-catalyst Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) and a precious-metal catalyst RuO2, emphasizing the importance of the characteristic BM structure with multiple coordination environments of transition metal (TM) species. Also, Ca2FeCoO5 is clearly advantageous in terms of expense/laboriousness of the material synthesis. These facts make this oxide a promising OER catalyst used in many energy conversion technologies such as metal-air secondary batteries and hydrogen production from electrochemical/photocatalytic water splitting.
Rights: This is the peer reviewed version of the following article: ChemSusChem 10(14) July 21, 2017 pp.2864–2868, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Type: article (author version)
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: 幅崎 浩樹

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