Preparation and properties of Ni-doped Ce0.85Sm0.15O1.925 ceramics for use as electrolytes in IT-SOFCs

被引：0
|
作者：
Xu, Dan [1 ]
Xu, Shifeng [1 ]
机构：
[1] Shenyang Aerosp Univ, Dept Sci, Shenyang, Peoples R China
来源：
PROGRESS IN RENEWABLE AND SUSTAINABLE ENERGY, PTS 1 AND 2 | 2013年 / 608-609卷
关键词：
solid oxide fuel cell; electrolyte; SDC-NiO; Electrochemical performance; IONIC-CONDUCTIVITY; ELECTRICAL-PROPERTIES; SOLID-SOLUTIONS; GADOLINIA;
D O I：
10.4028/www.scientific.net/AMR.608-609.941
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The electrolytes materials Ce0.85Sm0.15O1.925-x at.% NiO (x=0, 0.5, 1, 2, 3) were synthesized by means of glycine-nitrate process (GNP). Their structures and ionic conductivities were characterized by X-ray diffraction, SEM and AC impedance spectroscopy. All the electrolytes were found to be ceria based solid solutions of fluorite type structures. Grain size increased with NiO. The grain boundary resistance could be decreased by small addition of NiO. Electrolyte-supported solid oxide fuel cells (SOFC) fabricated with Ni-doped Ce0.85Sm0.15O1.925 electrolytes were studied and compared with other fuel cell with Ce0.85Sm0.15O1.925 (SDC) as electrolytes.
引用
收藏
页码：941 / 944
页数：4
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