کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1279293 | 1497580 | 2011 | 5 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Anode performance control of micro-tubular SOFC via wet coating method Anode performance control of micro-tubular SOFC via wet coating method](/preview/png/1279293.png)
A cathode-supported micro SOFC was prepared via co-sintering technique of a scandia-stabilized zirconia (ScSZ) electrolyte layer and a micro-tubular (La,Sr)xMnO3−δ (LSM) support, and subsequent deposition of various anode layers by dip-coating method. The micro-tubular SOFCs were electrochemically evaluated in a humidified H2 (3% H2O) atmosphere. An LSM-Ce0.9Gd0.1O1.95 activation layer was also introduced between the cathode tube and the electrolyte layer in order to improve the catalytic activation at the cathode side. The micro SOFCs exhibited a stable open circuit voltage above 1.05 V at 650 °C, and the cells with the anode film thicknesses of 8, 30 and 50 μm generated a maximum power density of 36, 49 and 126 mW/cm2, respectively. And, the cell with 50 μm thick anode layer showed about 10 times higher exchange current density than the others, which indicates that the anode performance on the cathode-supported micro SOFC was greatly affected by the thickness of the anode coating layer.
Journal: International Journal of Hydrogen Energy - Volume 36, Issue 13, July 2011, Pages 7656–7660