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题名: Development of Ternary Cathodes Using MyCe1-x-yMnxO2-delta (M=La, Gd) as Catalysts for Oxygen Reduction Reactions
作者: Liu, L.1, 2;  Zhao, Z.1, 2;  Zhang, X.1, 2;  Cui, D.1;  Tu, B.1;  Ou, D.1;  Cheng, M.1
关键词: LSM ;  MyCe1-x-yMnxO2-delta (M = La, Gd) ;  Solid Oxide Fuel Cells ;  Ternary Cathode ;  YSZ
刊名: FUEL CELLS
发表日期: 2014-06-01
DOI: 10.1002/fuce.201300163
卷: 14, 期:3, 页:364-371
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: MyCe1-x-yMnxO2- (M=La, Gd) oxides have been investigated as oxygen reduction catalysts for LSM-YSZ based ternary cathodes. MyCe1-x-yMnxO2- samples are characterized by X-ray diffraction (XRD), temperature programmed reduction of H2 (H2-TPR), and temperature programmed desorption of O2 (O2-TPD). The results show that the incorporation of M (M=La, Gd) ions increases the solution limit of Mn in the solid solutions, which increases the amount of oxygen vacancies and promotes oxygen adsorption and dissociation processes. The ternary cathodes show much higher electrochemical performance than LSM-YSZ binary cathode, and greatly accelerate oxygen dissociative adsorption and diffusion of oxygen species. The MyCe1-x-yMnxO2- catalysts exhibit greatly high activity for oxygen reduction at intermediate temperature. The ternary cathodes have high stability and high resistance to CO2 at 600 degrees C.
关键词[WOS]: OXIDE FUEL-CELLS ;  MODIFIED CEO2 CATALYSTS ;  MNOX-CEO2 MIXED OXIDES ;  SOOT OXIDATION ;  CALCINATION TEMPERATURE ;  IMPEDANCE SPECTROSCOPY ;  DIESEL SOOT ;  AG-MN ;  YSZ ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000337626400008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145590
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 Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Liu, L.,Zhao, Z.,Zhang, X.,et al. Development of Ternary Cathodes Using MyCe1-x-yMnxO2-delta (M=La, Gd) as Catalysts for Oxygen Reduction Reactions[J]. FUEL CELLS,2014,14(3):364-371.
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