Solid state compatibility between yttrium nickel manganite electrode and yttria-doped ceria and yttria-doped zirconia electrolytes

被引:2
|
作者
Moure, C [1 ]
Gutierrez, D [1 ]
Tartaj, J [1 ]
Capel, F [1 ]
Duran, P [1 ]
机构
[1] CSIC, Electroceram Dept, Inst Ceram & Vidrio, Madrid 28500, Spain
关键词
solid state reaction; yttrium nickel manganite; yttria-doped ceria; yttria-doped zirconia;
D O I
10.1016/S0167-2738(01)00965-1
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The solid state reaction between YNi0.33Mn0.67O3 (YNM) and Y0.18CeO2Ca0.02Ce0.80O1.89 (YCaCe) and Y2O3-fully stabilised ZrO2 (FSZ), respectively, was investigated using X-ray diffraction. The powders of both mixtures were homogenised and pressed, then cofired between 1250 and 1400 degreesC with the perspective of preparing well-developed cathode-electrolyte interfaces of solid oxide fuel cells. The YNM perovskite was found to be compatible with YCaCe up to 1400 degreesC without formation of new phases after 48 h of treatment. On the other hand, YNM reacted with FSZ above 1250 degreesC. At 1400 degreesC, YNM was fully decomposed giving free yttria and YMnO3. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:257 / 262
页数:6
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