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Structure and properties of layered-perovskite LaBa1-xCo2O5+delta (x=0-0.15) as intermediate-temperature cathode material
Pang, S. L.1,2; Jiang, X. N.1; Li, X. N.1; Xu, H. X.1; Jiang, L.3; Xu, Q. L.1; Shi, Y. C.1; Zhang, Q. Y.1
关键词Ba-deficiency Layered-perovskite Oxide Structure Electrical Conductivity Electrochemical Performance
刊名JOURNAL OF POWER SOURCES
2013-10-15
DOI10.1016/j.jpowsour.2013.04.005
240页:54-59
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]OXIDE FUEL-CELLS ; OXYGEN-ION DIFFUSION ; ELECTROCHEMICAL PERFORMANCE ; TRANSPORT-PROPERTIES ; LNBACO(2)O(5+DELTA) ; PRBACO2O5+DELTA ; SOFCS
英文摘要Phase structure, structure stability, electrical properties and catalytic activity for oxygen reduction reaction of the Ba-deficient layered-perovskite oxides LaBa1-xCo2O5+delta (LB1-xCO, x = 0.00-0.15) have been studied to determine their viability as cathode material of intermediate-temperature solid oxide fuel cells (IT-SOFCs). LB1-xCO had tetragonal layered-perovskite structure when calcined at 850 degrees C-1050 degrees C in air but transformed into cubic structure at higher temperatures. The LB1-xCO oxide exhibited lower electrical conductivities and decreased area-specific resistances (ASRs) on the Ce0.9Gd0.1O1.95 (GDC) electrolyte with higher Ba-deficiency content. Among the samples, the LB0.90CO (x = 0.10) oxide exhibited the best electrochemical performance with ASR values of 0.118 Omega cm(2) at 600 degrees C and 0.023 Omega cm(2) at 700 degrees C respectively, similar to 40% lower than the results of the parent oxide (x = 0), demonstrating its promising application as cathode materials of IT-SOFCs. (C) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000321803700009
引用统计
被引频次:26[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/321008/137844
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Key Lab Mat Modificat Laser Ion & Electron Beams, Minist Educ, Dalian 116024, Peoples R China
2.Jiangsu Univ, Inst Adv Mat, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem & Phys, Dalian 116023, Peoples R China
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Pang, S. L.,Jiang, X. N.,Li, X. N.,et al. Structure and properties of layered-perovskite LaBa1-xCo2O5+delta (x=0-0.15) as intermediate-temperature cathode material[J]. JOURNAL OF POWER SOURCES,2013,240:54-59.
APA Pang, S. L..,Jiang, X. N..,Li, X. N..,Xu, H. X..,Jiang, L..,...&Zhang, Q. Y..(2013).Structure and properties of layered-perovskite LaBa1-xCo2O5+delta (x=0-0.15) as intermediate-temperature cathode material.JOURNAL OF POWER SOURCES,240,54-59.
MLA Pang, S. L.,et al."Structure and properties of layered-perovskite LaBa1-xCo2O5+delta (x=0-0.15) as intermediate-temperature cathode material".JOURNAL OF POWER SOURCES 240(2013):54-59.
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