Synthesis of La0.8Sr0.2Co0.8Fe0.2O3 Nanopowders and Their Application in Solid Oxide Fuel Cells

被引：2
|
作者：
Ding, Changsheng [1 ]
Lin, Hongfei [1 ]
Sato, Kazuhisa [2 ]
Hashida, Toshiyuki [1 ]
机构：
[1] Tohoku Univ, Fracture & Reliabil Res Inst, Sendai, Miyagi 9808579, Japan
[2] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
来源：
JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY | 2011年 / 8卷 / 05期
关键词：
ELECTRICAL-PROPERTIES; OXYGEN REDUCTION; CATHODES; POWDERS; FILMS;
D O I：
10.1115/1.4004176
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
La0.8Sr0.2Co0.8Fe0.2O3 (LSCF) nanopowders, which are being investigated as a promising cathode material for low-temperature solid oxide fuel cells (SOFCs), were synthesized by citric acid gel combustion method. The LSCF nanopowders synthesized at 700 degrees C are single perovskite phases and have an average particle size of less than 30 nm. In order to evaluate the use of the synthesized LSCF nanopowders as cathode material of low-temperature SOFCs, anode-supported SOFCs were fabricated from the synthesized LSCF nanopowders and tested in the conditions of humidified hydrogen for anode and oxygen for cathode. The anode-supported single cell with the LSCF cathode sintered at 700 degrees C showed high electrical performance with the maximum power density of 771 mW cm(-2) at 600 degrees C. The results show that the synthesized LSCF nanopowders are suitable to be applied as cathode material for low-temperature SOFCs. [DOI: 10.1115/1.4004176]
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页数：4
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