This paper evaluates cell performances and electrode reaction of an electrolyte supported type cell using 15mol% Y-doped BaZrO3 perovskite type proton conductors. BaZrO3 based proton conductors show high proton conductivity and chemical stability in IT-SOFC operating atmospheres. But, because of low sintering properties, there is little knowledge about electrolyte performance, e.g., open circuit voltage, electrode over potential. Through SOFC generation test, it is confirmed that cell performance of the cell is determined by electrode over potential. Electrode over potential is significantly higher than similar configuration cell using BaCeO3 based proton conductors. Those results suggests that study of differences in electrode reaction between BaCeO3 based proton conductors and BaZrO3 based proton conductors will be necessary.
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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
Electrode Reaction and Cell Performances of IT-SOFC Using BaZrO3 Proton Conductors
Fumitada Iguchi,
Fumitada Iguchi
Tohoku University, Sendai, Japan
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Yugami Hiroo
Yugami Hiroo
Tohoku University, Sendai, Japan
Search for other works by this author on:
Fumitada Iguchi
Tohoku University, Sendai, Japan
Noriko Sata
Tohoku University, Sendai, Japan
Yugami Hiroo
Tohoku University, Sendai, Japan
Paper No:
FuelCell2008-65205, pp. 79-84; 6 pages
Published Online:
June 22, 2009
Citation
Iguchi, F, Sata, N, & Hiroo, Y. "Electrode Reaction and Cell Performances of IT-SOFC Using BaZrO3 Proton Conductors." 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. 79-84. ASME. https://doi.org/10.1115/FuelCell2008-65205
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