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.

引用

页码：211 / 214

页数：4

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