Stability and functional properties of Sr0.7Ce0.3MnO3-δ as cathode material for solid oxide fuel cells

被引：3
|
作者：
Kuritsyna, I. E. [1 ]
Sinitsyn, V. V. [1 ]
Fedotov, Yu. S. [1 ]
Bredikhin, S. I. [1 ]
Tsipis, E. V. [2 ,3 ]
Kharton, V. V. [1 ,3 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] Univ Aveiro, Mech Technol & Automat Ctr, P-3800 Aveiro, Portugal
[3] Univ Aveiro, Dept Mat & Ceram Engn, P-3800 Aveiro, Portugal
来源：
RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2014年 / 50卷 / 08期
关键词：
solid oxide fuel cells; cathode materials; stability tests; diffusion; electric conductivity; ELECTRICAL-PROPERTIES; CONDUCTIVITY; PEROVSKITES;
D O I：
10.1134/S1023193514080084
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Studies of oxygen diffusion, interphase exchange, specific electric conductivity, and thermal expansion showed that perovskite-like Sr0.7Ce0.3MnO3 - delta (SCMO) as a potential cathode material for solid oxide fuel cells (SOFCs) has considerable advantages over the conventional materials based on lanthanum-strontium manganites. To prevent the interactions of SCMO with solid electrolyte membranes of stabilized zirconia and lanthanum gallate, it is necessary to deposit protective layers of solid solutions based on cerium oxide, which do not form new phases in contact with SCMO and electrolytes. The trials of model SOFCs with porous SCMO-based cathodes demonstrated satisfactory electrochemical and endurance characteristics of these electrodes.
引用
收藏
页码：713 / 718
页数：6
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