Low-temperature protonic ceramic membrane fuel cells (PCMFCs) with SrCo0.9Sb0.1O3-δ cubic perovskite cathode

被引：24

作者：

Ding, Hanping ^{[1
]}

Lin, Bin ^{[1
]}

Jiang, Yinzhu ^{[2
]}

Wang, Songlin ^{[1
]}

Fang, Daru ^{[1
]}

Dong, Yingchao ^{[1
]}

Tao, Shanwen ^{[2
]}

Peng, Ranran ^{[1
]}

Liu, Xingqiu ^{[1
]}

Meng, Guangyao ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Peoples R China

[2] Heriot Watt Univ, Sch Engn & Phys Sci, Dept Chem, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

JOURNAL OF POWER SOURCES | 2008年 / 185卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Protonic ceramic membrane fuel cells; SrCo0.9Sb0.1O3-delta; Cathode; Cubic perovskite; BaZr0.1Ce0.7Y0.2O3-delta;

D O I：

10.1016/j.jpowsour.2008.07.042

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 SrCo0.9Sb0.1O3-delta (SCS) composite oxide with cubic perovskite structure was synthesized by a modified Pechini method and examined as a novel cathode for protonic ceramic membrane fuel cells (PCMFCs). At 700 degrees C and under open-circuit condition, symmetrical SCS cathode on BaZr0.1Ce0.7Y0.2O3-delta (BZCY7) electrolyte showed low polarization resistances (R-p) of 0.22 Omega cm(2) in air. A laboratory-sized tri-layer cell of NiO-BZCY7/BZCY7/SCS was operated from 500 to 700 degrees C with humidified hydrogen (similar to 3% H2O) as fuel and the static air as oxidant. A high open-circuit potential of 1.004V, a maximum power density of 259mWcm(-2), and a low polarization resistance of the electrodes of 0.14 Omega cm(2) was achieved at 700 degrees C. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：937 / 940

页数：4

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