Dependence of thermal expansion of LaNi0.6Fe0.4O3 − δ and La0.6Sr0.4Co0.2Fe0.8O3 − δ on oxygen partial pressure
详细信息 查看全文
- 作者：Eiki Niwa ; Takuya Hashimoto
- 关键词：LaNi0.6Fe0.4O3 ; &minus ; ; δ ; La0.6Sr0.4Co0.2Fe0.8O3 ; &minus ; ; δ ; Thermal expansion ; Dilatometry ; Oxygen nonstoichiometry ; Chemical expansion coefficient
- 刊名：Solid State Ionics
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：285
- 期：Complete
- 页码：187-194
- 全文大小：1303 K
文摘
- •
Thermal expansion coefficients, TEC, of cathode material for SOFC were measured.
- •
TEC of LaNi0.6Fe0.4O3 − δ, LNF64, is independent on P(O2) and 1.27 × 10− 5 K− 1 at 500 °C.
- •
La0.6Sr0.4Co0.2Fe0.8O3 − δ shows larger TEC which increases with decreasing P(O2).
- •
LNF64 and 8YSZ shows high thermo-mechanical compatibility with close TEC.
- •
Dependence of TEC on P(O2) is ascribed to the variation of oxygen nonstoichiometry.