Study on impedance spectra of La(0.7)Sr(0.3)MnO(3) and Sm(0.2)Ce(0.8)O(1.9)-impregnated La(0.7)Sr(0.3)MnO(3) cathode in single chamber fuel cell condition

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	Study on impedance spectra of La(0.7)Sr(0.3)MnO(3) and Sm(0.2)Ce(0.8)O(1.9)-impregnated La(0.7)Sr(0.3)MnO(3) cathode in single chamber fuel cell condition
	M. L. Liu; Z. Lue; B. Wei; X. Q. Huang; K. F. Chen; W. H. Su
	2009
发表期刊	Electrochimica Acta
ISSN	0013-4686
卷号	54 期号:20 页码:4726-4730
摘要	Impedance spectroscopy was used to study the electrochemical performance of pure and ion-impregnated La(0.7)Sr(0.3)MnO(3) (LSM) cathodes on YSZ (Y(2)O(3)-stabilized ZrO(2)) electrolytes in single chamber fuel cell conditions, i.e. a mixture gas with oxygen as oxidant, methane as fuel and nitrogen as dilute gas. Measurements were taken at the furnace temperature range of 550-750 degrees C and the CH(4)/O(2) ratios from 1 to 2. Polarization resistances (R(p)) for pure and impregnated LSM cathodes increased obviously as the CH(4)/O(2) ratio increased at 650-750 degrees C. Polarization resistances of Sm(0.2)Ce(0.8)O(1.9) (SDC) impregnated LSM cathode were much smaller than the ones of pure LSM cathode under the same conditions. Overtemperatures were occurred at both cathodes due to the partial oxidation of methane. (C) 2009 Elsevier Ltd. All rights reserved.
部门归属	[liu, mingliang; lue, zhe; wei, bo; huang, xiqiang; chen, kongfa; su, wenhui] harbin inst technol, ctr condensed matter sci & technol, dept phys, harbin 150080, peoples r china. [su, wenhui] acad sinica, int ctr mat phys, shenyang 110015, peoples r china.;lue, z (reprint author), harbin inst technol, ctr condensed matter sci & technol, dept phys, harbin 150080, peoples r china;lvzhe@hit.edu.cn
关键词	Impedance Spectroscopy Strontium-doped Lamno(3) Cathode Single Chamber Fuel Cell Condition Ch(4)/o(2) Ratio Methane-oxygen Mixtures Performance Anode Sofc Spectroscopy Electrode
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32103
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	M. L. Liu,Z. Lue,B. Wei,et al. Study on impedance spectra of La(0.7)Sr(0.3)MnO(3) and Sm(0.2)Ce(0.8)O(1.9)-impregnated La(0.7)Sr(0.3)MnO(3) cathode in single chamber fuel cell condition[J]. Electrochimica Acta,2009,54(20):4726-4730.
APA	M. L. Liu,Z. Lue,B. Wei,X. Q. Huang,K. F. Chen,&W. H. Su.(2009).Study on impedance spectra of La(0.7)Sr(0.3)MnO(3) and Sm(0.2)Ce(0.8)O(1.9)-impregnated La(0.7)Sr(0.3)MnO(3) cathode in single chamber fuel cell condition.Electrochimica Acta,54(20),4726-4730.
MLA	M. L. Liu,et al."Study on impedance spectra of La(0.7)Sr(0.3)MnO(3) and Sm(0.2)Ce(0.8)O(1.9)-impregnated La(0.7)Sr(0.3)MnO(3) cathode in single chamber fuel cell condition".Electrochimica Acta 54.20(2009):4726-4730.