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题名: Oxygen evolution reaction over Fe site of BaZrxFe1-xO3-delta perovskite oxides
作者: Zhu, Kaiyue1, 2;  Liu, Huanying1;  Li, Xuning2, 3, 4;  Li, Qiming5;  Wang, Junhu3, 4;  Zhu, Xuefeng1;  Yang, Weishen1
关键词: perovskite ;  BaZr0.15Fe0.85O3-delta ;  oxygen evolution reaction ;  Fe active site ;  electrocatalysts
刊名: ELECTROCHIMICA ACTA
发表日期: 2017-07-01
DOI: 10.1016/j.electacta.2017.04.167
卷: 241, 页:433-439
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: To investigate the role of Fe ions for oxygen evolution reaction, a series of BaZrxFe1-xO3-delta (0 <= x <= 0.2) perovskite oxides were synthesized and systematically evaluated as electrocatalysts. The OER activity of cubic BaZrxFe1-xO3-delta (0.05 <= x <= 0.2) is higher than that of the parent BaFeO3-delta with a monoclinic structure and close to that of Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF), indicating cubic perovskite structure is favorable to the OER, and Fe ions are active for the reaction. Moreover, for cubic BaZr0.15Fe0.85O3-delta samples, the OER performance is closely related to the ratio of Fe4+ to Fe3+, which was tuned by treating BaZr(0.15)Fe(0.8)5O(3-delta) powders at 500 degrees C for 5 h at different atmospheres, such as O-2, air, Ar and 5% H-2/Ar mixture. (C) 2017 Elsevier Ltd. All rights reserved.
关键词[WOS]: METAL-ORGANIC FRAMEWORKS ;  ZINC-AIR BATTERIES ;  WATER OXIDATION ;  FUEL-CELLS ;  MOSSBAUER-SPECTROSCOPY ;  PERMEATION PROPERTIES ;  A-SITE ;  ELECTROCATALYSTS ;  BAFEO3-DELTA ;  TEMPERATURE
语种: 英语
WOS记录号: WOS:000403026700045
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152190
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Mossbauer Effect Data Ctr, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Catalysts & New Mat Aerosp, Dalian 116023, Peoples R China
5.Liaoning Shihua Univ, Coll Chem Chem Engn & Environm Engn, Fushun 113001, Peoples R China

Recommended Citation:
Zhu, Kaiyue,Liu, Huanying,Li, Xuning,et al. Oxygen evolution reaction over Fe site of BaZrxFe1-xO3-delta perovskite oxides[J]. ELECTROCHIMICA ACTA,2017,241:433-439.
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