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A comparison on effects of CO2 on La0.8Sr0.2MnO3+delta and La0.6Sr0.4CoO3-delta cathodes
Zhao, Zhe1,2,3; Liu, Li1,2,3; Zhang, Xiaomin1,2,3; Wu, Weiming1,2,3; Tu, Baofeng1,2; Ou, Dingrong1,2; Cheng, Mojie1,2
关键词Solid Oxide Fuel Cell Carbon Dioxide Perovskite Cathode Adsorption Model
刊名JOURNAL OF POWER SOURCES
2013-01-15
DOI10.1016/j.jpowsour.2012.09.023
222页:542-553
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 ; POROUS LA1-XSRXCOO3-DELTA ELECTRODES ; OXYGEN-SURFACE EXCHANGE ; ELECTROCHEMICAL PERFORMANCE ; ELECTROCATALYTIC PROPERTIES ; IMPEDANCE SPECTROSCOPY ; COMPOSITE CATHODES ; CERIA ELECTROLYTES ; DESIGN PRINCIPLES ; PEROVSKITE OXIDES
英文摘要The effects and affecting mechanisms of carbon dioxide on oxygen reduction reactions on the La0.6Sr0.4CoO3-delta (LSC) and La0.8Sr0.2MnO3+delta (LSM) cathodes have been investigated. The presence of CO2 in O-2 flow reduces the LSC and LSM cell performance and increases polarization resistance. CO2 impedes oxygen dissociative adsorption on the LSC cathode, whereas CO2 inhibits dissociation of adsorbed oxygen molecule or diffusion of O-species on the LSM cathode. CO2 adsorption on the LSC cathode obeys Temkin model in 550-650 degrees C and Freundlich model in 700-800 degrees C. Different CO2 adsorption behaviors are ascribed to the change in LSC structure and the change in oxygen reduction mechanism. CO2 adsorption on the LSM cathode obeys Freundlich model in 650-800 degrees C. The differences in the effects and affecting mechanisms of CO2 on LSM and LSC are related to their differences in composition and structure. (C) 2012 Elsevier By. All rights reserved.
语种英语
WOS记录号WOS:000311129900076
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被引频次:22[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/321008/137836
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, Liaoning, Peoples R China
2.Dalian Natl Lab Clean Energy, Div Fuel Cells, Dalian, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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Zhao, Zhe,Liu, Li,Zhang, Xiaomin,et al. A comparison on effects of CO2 on La0.8Sr0.2MnO3+delta and La0.6Sr0.4CoO3-delta cathodes[J]. JOURNAL OF POWER SOURCES,2013,222:542-553.
APA Zhao, Zhe.,Liu, Li.,Zhang, Xiaomin.,Wu, Weiming.,Tu, Baofeng.,...&Cheng, Mojie.(2013).A comparison on effects of CO2 on La0.8Sr0.2MnO3+delta and La0.6Sr0.4CoO3-delta cathodes.JOURNAL OF POWER SOURCES,222,542-553.
MLA Zhao, Zhe,et al."A comparison on effects of CO2 on La0.8Sr0.2MnO3+delta and La0.6Sr0.4CoO3-delta cathodes".JOURNAL OF POWER SOURCES 222(2013):542-553.
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