Synthesis and Characterization of Ce0.8Y0.2-xCaxO2-δ as Electrolyte for Solid Oxide Fuel Cells

被引：0
|
作者：
Tian, Changan [1 ]
Yang, Jie [1 ]
Li, Minghua [1 ]
Yin, Qiyi [1 ]
Ji, Bifa [1 ]
Sun, Hong [1 ]
Xie, Jinsong [1 ]
Ma, Jinjin [1 ]
机构：
[1] Hefei Univ, Dept Chem & Mat Engn, Hefei 230601, Peoples R China
来源：
ASIAN JOURNAL OF CHEMISTRY | 2014年 / 26卷 / 06期
关键词：
CeO2; Electrolyte; Sol-gel; Solid oxide fuel cells;
D O I：
10.14233/ajchem.2014.17317
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, ultrafine Ce0.8Y0.2-xCaxO2-delta (x =0 to 0.1) powders have been successfully prepared by the sol-gel method. The samples were characterized by TG-DSC, XRD and AC impedance. Experimental results indicated that highly phase-pure cubic fluorite electrolyte Ce0.8Y0.2-xCaxO2-delta series electrolytes have higher relatively dense over 96% can obtained after sintered at 1400 degrees C, Among all the samples, Ce0.8Y0.1Ca0.1O1.85 shows excellent ionic conductivity of 0.041 S/cm measured at 800 degrees C and lower conductive activation energy 0.89 eV.
引用
收藏
页码：1658 / 1660
页数：3
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