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La0.4Ce0.6O1.8-La0.8Sr0.2MnO3-8 mol% yttria-stabilized zirconia composite cathode for anode-supported solid oxide fuel cells
Zhang, Min1,2; Yang, Min1,2; Liu, Bin1,2; Hou, Zhifang1; Dong, Yonglai1; Cheng, Mojie1
关键词Composite Cathode La0.4ce0.6o1.8 La0.8sr0.2mno3 Solid Oxide Fuel Cells
刊名JOURNAL OF POWER SOURCES
2008-01-10
DOI10.1016/j.jpowsour.2007.10.012
175期:2页:739-748
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
关键词[WOS]PEROVSKITE-TYPE OXIDES ; TEMPERATURE SOFCS ; METHANE OXIDATION ; HIGH-PERFORMANCE ; ELECTROLYTE ; NONSTOICHIOMETRY ; LACO1-XFEXO3 ; INTERLAYER ; EXCHANGE
英文摘要The composite cathodes of La0.4Ce0.6O1.8 (LDC)-La0.8Sr0.2MnO3 (LSM)-8 mol% yttria-stabilized zirconia (YSZ) with different LDC contents were investigated for anode-supported solid oxide fuel cells with thin film YSZ electrolyte. The oxygen temperature-programmed desorption profiles of the LDC-LSM-YSZ composites indicate that the addition of LDC increases surface oxygen vacancies. The cell performance was improved largely after the addition of LDC, and the best cell performance was achieved on the cells with the composite cathodes containing 10 wt% or 15 wt% LDC. The electrode polarization resistance was reduced significantly after the addition of LDC. At 800 degrees C and 650 degrees C, the polarization resistances of the cell with a 10 wt% LDC composite cathode are 70% and 40% of those of the cell with a LSM-YSZ composite cathode, respectively. The impedance spectra show that the processes associated with the dissociative adsorption of oxygen and diffusion of oxygen intermediates and/or oxygen ions on LSM surface and transfer of oxygen species at triple phase boundaries are accelerated after the addition of LDC. (C) 2007 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000252634300005
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140926
专题中国科学院大连化学物理研究所
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
推荐引用方式
GB/T 7714
Zhang, Min,Yang, Min,Liu, Bin,et al. La0.4Ce0.6O1.8-La0.8Sr0.2MnO3-8 mol% yttria-stabilized zirconia composite cathode for anode-supported solid oxide fuel cells[J]. JOURNAL OF POWER SOURCES,2008,175(2):739-748.
APA Zhang, Min,Yang, Min,Liu, Bin,Hou, Zhifang,Dong, Yonglai,&Cheng, Mojie.(2008).La0.4Ce0.6O1.8-La0.8Sr0.2MnO3-8 mol% yttria-stabilized zirconia composite cathode for anode-supported solid oxide fuel cells.JOURNAL OF POWER SOURCES,175(2),739-748.
MLA Zhang, Min,et al."La0.4Ce0.6O1.8-La0.8Sr0.2MnO3-8 mol% yttria-stabilized zirconia composite cathode for anode-supported solid oxide fuel cells".JOURNAL OF POWER SOURCES 175.2(2008):739-748.
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