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题名: TiO2-modified La0.6Sr0.4Co0.2Fe0.8O3-delta cathode for intermediate temperature solid oxide fuel cells
作者: Liu, Weixing1, 2;  Zhao, Zhe1;  Tu, Baofeng1;  Cui, Daan1;  Ou, Dingrong1;  Cheng, Mojie1
关键词: Intermediate temperature solid oxide fuel cell ;  Cathode ;  Titanium oxide ;  Interfacial reaction ;  Zirconia-based electrolyte
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2015-04-01
DOI: 10.1016/S1872-2067(14)60235-7
卷: 36, 期:4, 页:502-508
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A La0.6Sr0.4Co0.2Fe0.8O3-delta(LSCF) cathode modified using nanosized TiO2 was direct prepared on the yttria stabilized zirconia (YSZ) electrolyte in an intermediate temperature solid oxide fuel cell. TiO2 prevents reaction between LSCF and YSZ, which would have formed a SrZrO3 phase. The cell with a LSCF-0.25 wt% TiO2 cathode exhibited a current density that was 1.6 times larger than that with a pure LSCF cathode at 0.7 V and 600 degrees C. Electrochemical impedance spectra showed the accelerated incorporation of oxygen anions into the YSZ electrolyte with the TiO2-modified LSCF cathode. The improvement was attributed to the suppressed formation of a non-conductive SrZrO3 layer at the cathode/electrolyte interface. (C) 2015, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: PHOTOCATALYTIC ACTIVITY ;  PERFORMANCE ;  LAYER ;  CONDUCTIVITY ;  PEROVSKITES ;  ELECTROLYTE ;  SOFCS ;  GLASS
语种: 英语
WOS记录号: WOS:000352678400007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146138
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, Div Fuel Cells, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Weixing,Zhao, Zhe,Tu, Baofeng,et al. TiO2-modified La0.6Sr0.4Co0.2Fe0.8O3-delta cathode for intermediate temperature solid oxide fuel cells[J]. CHINESE JOURNAL OF CATALYSIS,2015,36(4):502-508.
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