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−δ (LSCF) – Ce0.9Gd0.1O2−δ (CGO) cathode / CGO electrolyte / Ni – CGO anode were fabricated and were bundled by a porous LSCF current collecting cube 1 cm on a side. The power generation test of the fabricated SOFC bundle was carried out under pressurized conditions. Using wet 30%H2 / N2 mixture gas and air, the cubic power density of the bundle at 500°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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ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
June 16–18, 2008
Denver, Colorado, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4318-1
PROCEEDINGS PAPER
Power Generation Properties of a Micro Tubular SOFC Bundle Under Pressurized Conditions
S. Hashimoto,
S. Hashimoto
Central Research Institute of Electric Power Industry, Kanagawa, Japan
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Y. Liu,
Y. Liu
Central Research Institute of Electric Power Industry, Kanagawa, Japan
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K. Asano,
K. Asano
Central Research Institute of Electric Power Industry, Kanagawa, Japan
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M. Mori,
M. Mori
Central Research Institute of Electric Power Industry, Kanagawa, Japan
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Y. Funahashi,
Y. Funahashi
Fine Ceramics Research Association, Nagoya, Japan
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Y. Fujishiro
Y. Fujishiro
Advanced Industrial Science and Technology, Japan
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S. Hashimoto
Central Research Institute of Electric Power Industry, Kanagawa, Japan
Y. Liu
Central Research Institute of Electric Power Industry, Kanagawa, Japan
K. Asano
Central Research Institute of Electric Power Industry, Kanagawa, Japan
M. Mori
Central Research Institute of Electric Power Industry, Kanagawa, Japan
Y. Funahashi
Fine Ceramics Research Association, Nagoya, Japan
Y. Fujishiro
Advanced Industrial Science and Technology, Japan
Paper No:
FuelCell2008-65125, pp. 211-214; 4 pages
Published Online:
June 22, 2009
Citation
Hashimoto, S, Liu, Y, Asano, K, Mori, M, Funahashi, Y, & Fujishiro, Y. "Power Generation Properties of a Micro Tubular SOFC Bundle Under Pressurized Conditions." Proceedings of the ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. Denver, Colorado, USA. June 16–18, 2008. pp. 211-214. ASME. https://doi.org/10.1115/FuelCell2008-65125
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