POWER GENERATION PROPERTIES OF A MICRO TUBULAR SOFC BUNDLE UNDER PRESSURIZED CONDITIONS

被引：0
|
作者：
Hashimoto, S. [1 ]
Liu, Y. [1 ]
Asano, K. [1 ]
Mori, M. [1 ]
Funahashi, Y.
Fujishiro, Y.
机构：
[1] CRIEPI, Tokyo, Japan
来源：
PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON FUEL CELL SCIENCE, ENGINEERING, AND TECHNOLOGY - 2008 | 2008年
关键词：
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A micro tubular solid oxide fuel cell (SOFC) bundle was developed based on new concept. The anode-supported micro tubular SOFCs with the cell configuration, La0.6Sr0.4Co0.2Fe0.8 O3-delta (LSCF) - Ce0.9Gd0.1O2-delta (CGO) cathode / CGO electrolyte / Ni - CGO anode were fabricated and were bundled by a porous LSCF current collecting cube I cm on a side. The power generation test of the fabricated SOFC bundle was carried out under pressurized conditions. Using wet 30%H-2 / N-2 mixture gas and air, the cubic power density of the bundle at 500 degrees C was 0.47 Wcm(-3) at 0.4Acm(-2), atmospheric pressure (0.1MPa). With increasing operating pressure, the performance has been improved, and the cubic power density finally reached to 0.66 Wcm(-3) at 0.6MPa. Pressurization effect for the power improvement was brought about by the open circuit voltage enhancement and reduction of the polarization resistance.
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页码：211 / 214
页数：4
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