Phase stability and electrochemical performance of Y0.5Ca0.5−xInxBaCo3.2Ga0.8O7+δ (x = 0 and 0.1) as cathodes for intermediate temperature solid oxide fuel cells
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- 作者：Fengming Ye ; Qingjun Zhou ; qjzhousofc@163.com" class="auth_mail" title="E-mail the corresponding author ; qjzhou@cauc.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Ke Xu ; Zhiyang Zhang ; Xue Han ; Lei Yang ; Jing Xu ; Heyang Xu ; Kejia Wu ; Yuejin Guan
- 关键词：Solid oxide fuel cells ; Cathode ; Thermal expansion coefficient ; Phase stability
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：25 September 2016
- 年：2016
- 卷：680
- 期：Complete
- 页码：163-168
- 全文大小：1942 K
文摘
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Y0.5Ca0.5−xInxBaCo3.2Ga0.8O7+δ improves the long-term phase stability at high temperatures.
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YCBCG and YCIBCG oxides have thermal expansion coefficients similar to SOFC electrolytes.
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Doping Ca and In in the Y-site of the YBaCo3.2Ga0.8O7+δ improves electrochemical performances.