Effect of Operating Temperature on Durability for Direct Butane Utilization of Microtubular Solid Oxide Fuel Cells
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- SUMI Hirofumi
- Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology
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- YAMAGUCHI Toshiaki
- Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology
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- HAMAMOTO Koichi
- Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology
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- SUZUKI Toshio
- Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology
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- FUJISHIRO Yoshinobu
- Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology
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Abstract
The effect of operating temperature on durability was investigated for direct butane utilization using microtubular solid oxide fuel cells (SOFCs). At 710°C, the performance of the Ni-Gd doped ceria (Ni-GDC) anode deteriorated rapidly for less than 2 h in butane fuel with relatively low steam/carbon (S/C) ratio at 0.044 because of a large amount of carbon deposition by butane cracking. The carbon nanofiber grew up from catalysis in the Ni-GDC anode after direct butane utilization at 660°C for 15 h. The carbon deposition rate in wet butane was slower than that in dry butane below 660°C on the Ni-GDC composite, because the oxidation of deposited carbon was also promoted by catalysis in the presence of water. The electric power could be generated continuously for more than 24 h in butane at S/C = 0.044 and relatively low operating temperature at 610°C using the Ni-GDC anode. Decrease in the operating temperature realized high durability against carbon deposition for direct butane utilization of SOFCs using the Ni-GDC anode.
Journal
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- Electrochemistry
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Electrochemistry 81 (2), 86-91, 2013
The Electrochemical Society of Japan
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Details 詳細情報について
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- CRID
- 1390282681472726528
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- NII Article ID
- 10031139462
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- NII Book ID
- AN00151637
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- ISSN
- 21862451
- 13443542
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- NDL BIB ID
- 024235888
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Allowed