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Preparation of Sm0.2Ce0.8O1.9 membranes on porous substrates by a slurry spin coating method and its application in IT-SOFC

被引：42
作者：
Ai, Na
Lu, Zhe [1 ]
Chen, Kongfa
Huang, Xiqiang
Liu, Yanwei
Wang, Ruifang
Su, Wenhui
机构：
[1] Harbin Inst Technol, Ctr Condensed Matter Sci & Technol, Harbin 150001, Peoples R China
[2] Jilin Univ, Dept Condensed Matter Phys, Changchun 130022, Peoples R China
[3] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
来源：
JOURNAL OF MEMBRANE SCIENCE | 2006年 / 286卷 / 1-2期
关键词：
SOFC; slurry spin coating; Sm0.2Ce0.8O1.9; membrane; agglomerate property; Ba0.5Sr0.5Co0.08Fe0.2O3-delta cathode;
D O I：
10.1016/j.memsci.2006.10.003
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Samaria-doped ceria (Sm0.2Ce0.8O1.9, SDC) membranes for anode-supported solid oxide fuel cells were fabricated by a Slurry spin coating method. Comparative studies were carried out on the effect of the agglomerate property of SDC powders on the fabrication of the membranes. The results showed that the agglomerate property of the SDC powders had a significant effect on the formation of dense and thin SDC membranes. Using a Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF)-SDC composite cathode, the cell with a similar to 15 mu m SDC electrolyte membrane achieved all excellent performance. Maximum power densities of the cell were 648 and 869 mW cm(-2) at 600 and 650 degrees C, respectively. Analysis of the impedance spectra indicated that the cell resistance under open-circuit conditions was dominated by the interfacial resistance. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：255 / 259
页数：5
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