Intermediate temperature solid oxide fuel cells with LaGaO3 based perovskite type electrolyte

被引：27
|
作者：
Ishihara, T
Minami, H
Matsuda, N
Nishiguchi, H
Takita, Y
机构：
[1] Department of Applied Chemistry, Faculty of Engineering, Oita University, Oita, 870-11
来源：
DENKI KAGAKU | 1996年 / 64卷 / 06期
关键词：
solid oxide fuel cell; low temperature operation; LaGaO3; electrolyte; electrode material;
D O I：
10.5796/kogyobutsurikagaku.64.642
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electrical power generation characteristics of SOFCs where LaGaO3- based perovskite type oxide is applied as the electrolyte, were studied for the decreased temperature solid oxide fuel cells. The power generation characteristics of cells were strongly affected by the electrode, both anode and cathode. The maxi-mum power density of cells increased in the following order, Pt < La0.75Sr0.25CrO3 < (La0.6Sr0.4)(0.9)MnO3 < La0.6Sr0.4FeO3 < La0.6Sr0.4CoO3 for the cathode, and Ru < Pt < Co < Ni for the anode. Rare earth cations in the Ln-site of Co-based perovskite oxides cathode also have a great effect on the power generation characteristics. In particular, a high power density could be attained in the temperature range from 973 K to 1273 K by using a doped SmCoO3 for the cathode. density of the SOFC, which consisted of Ni anode and Sm0.6Sr0.4CoO3 cathode attained the values as high as 0.44 and 0.14 W/cm(2) at 1073 and 973 K, respectively.
引用
收藏
页码：642 / 648
页数：7
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