Electrochemical properties of oxide anode materials for SOFC

被引：0

作者：

Yashiro, K ^{[1
]}

Kobayashi, T ^{[1
]}

Han, LQ ^{[1
]}

Kaimai, A ^{[1
]}

Nigara, Y ^{[1
]}

Kawada, T ^{[1
]}

Mizusaki, J ^{[1
]}

Kawamura, K ^{[1
]}

机构：

[1] Tohoku Univ, Res Inst Sci Measurements, Aoba Ku, Sendai, Miyagi 9808577, Japan

来源：

SOLID OXIDE FUEL CELLS VII (SOFC VII) | 2001年 / 2001卷 / 16期

关键词：

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An oxide material, which can tolerate carbon deposition, would be a potential candidate for the SOFC anode. Electrochemical properties of n-type doped strontium titanates, whose electronic conductivity and chemical stability are high, were investigated by means of both impedance spectroscopy and steady state polarization technique. The specific interfacial resistances of SrTi0.97Nb0.03O3, La0.1Sr0.9TiO3 and La0.2Sr0.8TiO3 were 7.0 x 10(2) Omegacm(2), 5.1x10(2) Omegacm(2) and 3.5x10(2) Omegacm(2) at 1073 K in 50%H-2-2.3%H2O-Ar, respectively. The performances of these oxide anodes are much interior to Ni/YSZ. This result indicates that the electronic conduction of the oxide-anode might not control the performance.

引用

页码：678 / 683

页数：6

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