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Properties of nonstoichiometric Pr0.6-xSr0.4MnO3 as the cathodes of SOFCs

被引：29
作者：
Huang, XQ
Liu, J
Lu, Z
Liu, W
Pei, L
He, TM
Liu, ZG
Su, WH
机构：
[1] Jilin Univ, Dept Phys, Changchun 130023, Peoples R China
[2] Jilin Univ, Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Peoples R China
[3] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
来源：
SOLID STATE IONICS | 2000年 / 130卷 / 3-4期
关键词：
SOFC; cathode; Pr0.6-xSr0.4MnO3; nonstoichiometry;
D O I：
10.1016/S0167-2738(00)00643-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of samples Pr0.6-xSr0.4MnO3 (x = 0, 0.01, 0.05, 0.1, 0.15, 0.2) were synthesized by a solid state reaction method. Pr deficiency at the A site has a great effect on the properties of Pr0.6-xSr0.4MnO3 as the cathode of SOFCs (solid oxide fuel cells). Compared to the commonly used La0.6Sr0.4MnO3 and La0.55Sr0.4MnO3 cathode, Pr0.6-xSr0.4MnO3 is better in the properties of conductivity, overpotential and impedance. In all the samples, the one with x = 0.05, Pr0.55Sr0.4MnO3, revealed the best performance in the measured temperature range. (C) 2000 Elsevier Science B.V. All rights reserved.
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页码：195 / 201
页数：7
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