Transmission Electron Microscopy Study on Microstructure and Interfacial Property of Thin Film Electrolyte SOFC

被引:19
作者
Noh, Ho-Sung [1 ,2 ]
Park, Jong-Sung [1 ]
Lee, Heon [2 ]
Lee, Hae-Weon [1 ]
Lee, Jong-Ho [1 ]
Son, Ji-Won [1 ]
机构
[1] Korea Inst Sci & Technol, High Temp Energy Mat Ctr, Seoul 130650, South Korea
[2] Korea Univ, Dept Mat Sci & Engn, Seoul 136701, South Korea
关键词
OXIDE FUEL-CELL; DOPED ZIRCONIA ELECTROLYTE; PULSED-LASER DEPOSITION; CATHODES; MEMBRANES;
D O I
10.1149/1.3518451
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The microstructure and interfacial property of a thin film electrolyte solid oxide fuel cell (SOFC) were investigated using transmission electron microscopy (TEM). The NiO-yttria-stabilized zirconia (YSZ) nanocomposite layer, the electrolyte, and the cathode layers were fabricated by using pulsed laser deposition and exhibited various microstructures such as a dense microstructure with equiaxed grains, a dense microstructure with columnar grains, and a nanoporous and granular microstructure, depending on their material, deposition condition, and deposition surface. In addition, the TEM analysis revealed that the reaction buffer to suppress the chemical reaction of lanthanum strontium cobaltite and YSZ is required even for the low temperature fabrication and operation (<= 650 degrees C). (c) 2010 The Electrochemical Society. [DOI: 10.1149/1.3518451] All rights reserved.
引用
收藏
页码:B26 / B29
页数:4
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