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Interaction of La(0.8)Sr(0.2)MnO(3) interlayer with Gd(0.1)Ce(0.9)O(1.95) electrolyte membrane and Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3-delta) cathode in low-temperature solid oxide fuel cells
Yang, Min1,2; Zhang, Min1,2; Yan, Aiyu1,2; Yue, Mangling1,2; Hou, Zhifang1; Dong, Yonglai1; Cheng, Mojie1
关键词Solid Oxide Fuel Cells Interfacial Modification Inter-diffusion Impedance Spectroscopy Open-circuit Voltage
刊名JOURNAL OF POWER SOURCES
2008-12-01
DOI10.1016/j.jpowsour.2008.07.054
185期:2页:784-789
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]ELECTRICAL-PROPERTIES ; COMPOSITE CATHODES ; PERFORMANCE ; INTERFACE ; SYSTEM ; CERIA ; CATHODE/ELECTROLYTE ; LA1-XSRXCO1-YFEYO3 ; DIFFUSION ; IMPEDANCE
英文摘要Low-temperature solid oxide fuel cells with a La(0.8)Sr(0.2)MnO(3) (LSM) interlayer between the Ce(0.9)Gd(0.1)O(1.95) (GDC) electrolyte membrane (20 mu m) and the Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3) (BSCF)-GDC composite cathode are fabricated by sintering the BSCF-GDC composite cathodes at 900,950 and 1000 degrees C. The results of scanning electron microscopy/energy dispersive X-ray analysis (SEM/EDX) fora model LSM/BSCF bi-layer pellet suggest that Ba, Co and Fe in BSCF as well as La and Mn in LSM have diffused into their counter sides. The X-ray diffraction (XRD) results on the simulated cells also indicate the incorporation of La into the CDC electrolyte membrane and the mutual diffusion of elements between the LSM layer and the BSCF layer. Analysis of the impedance spectra and interfacial reaction activation energies shows that LSM interlayer accelerates the oxygen reduction. Considering a good cell performance and the highest open-circuit voltages (OCVs) at 600-500 degrees C, the optimum sintering temperature of BSCF-GDC composite cathode onto LSM interlayer is 900 degrees C. (C) 2008 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000261748900027
引用统计
被引频次:5[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/321008/141040
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
Yang, Min,Zhang, Min,Yan, Aiyu,et al. Interaction of La(0.8)Sr(0.2)MnO(3) interlayer with Gd(0.1)Ce(0.9)O(1.95) electrolyte membrane and Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3-delta) cathode in low-temperature solid oxide fuel cells[J]. JOURNAL OF POWER SOURCES,2008,185(2):784-789.
APA Yang, Min.,Zhang, Min.,Yan, Aiyu.,Yue, Mangling.,Hou, Zhifang.,...&Cheng, Mojie.(2008).Interaction of La(0.8)Sr(0.2)MnO(3) interlayer with Gd(0.1)Ce(0.9)O(1.95) electrolyte membrane and Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3-delta) cathode in low-temperature solid oxide fuel cells.JOURNAL OF POWER SOURCES,185(2),784-789.
MLA Yang, Min,et al."Interaction of La(0.8)Sr(0.2)MnO(3) interlayer with Gd(0.1)Ce(0.9)O(1.95) electrolyte membrane and Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3-delta) cathode in low-temperature solid oxide fuel cells".JOURNAL OF POWER SOURCES 185.2(2008):784-789.
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