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题名: Investigation on scandium-doped manganate La(0.8)Sr(0.2)Mn(1-x)Sc(x)O(3-delta) cathode for intermediate temperaturesolid oxide fuel cells
作者: Yue, Xiangling1, 2;  Yan, Aiyu1, 2;  Zhang, Min1, 2;  Liu, Lin1;  Dong, Yonglai1;  Cheng, Mojie1
关键词: La(0.8)Sr(0.2)Mn(1-x)Sc(x)O(3-delta) ;  Oxygen anionic vacancy ;  Composite cathode ;  Solid oxide fuel cells
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-12-01
DOI: 10.1016/j.jpowsour.2008.08.038
卷: 185, 期:2, 页:691-697
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Scanchum-doped lanthanum strontium manganate La(0.8)Sr(0.2)Mn(1-x)Sc(x)O(3-delta) (LSMS) combined with YSZ as composite cathode for ancide-supported solid oxide fuel cell is investigated. The LSMS powders are prepared using the modified Pechini method. The XRD and H(2)-TPR results reveal that non-stoichiometric defects are introduced into the perovskite lattice of LSMS samples as a result of Sc substitution, which leads to increased oxygen ion mobility in the Sc containing samples. But high level doping of Sc may results in the segregation of the Sc(2)O(3) secondary phase at elevated temperature. The cells with the LSMS-containing cathodes exhibit higher performances, especially at lower temperatures, which can be ascribed to the increased oxygen anionic vacancies in the LSMS. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: PEROVSKITE-TYPE OXIDES ;  ANODE-SUPPORTED SOFCS ;  COMPOSITE CATHODES ;  OXYGEN-TRANSPORT ;  LA1-XSRXMN1-YCOYO3+/-DELTA PEROVSKITES ;  IMPEDANCE SPECTROSCOPY ;  CATALYTIC-PROPERTIES ;  REDOX PROPERTIES ;  PERFORMANCE ;  COMBUSTION
语种: 英语
WOS记录号: WOS:000261748900015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140814
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Yue, Xiangling,Yan, Aiyu,Zhang, Min,et al. Investigation on scandium-doped manganate La(0.8)Sr(0.2)Mn(1-x)Sc(x)O(3-delta) cathode for intermediate temperaturesolid oxide fuel cells[J]. JOURNAL OF POWER SOURCES,2008,185(2):691-697.
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