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タイトル: | Development of a charge-transfer distribution model for stack simulation of solid oxide fuel cells |
著者: | Onaka, H Iwai, H https://orcid.org/0000-0002-2935-3956 (unconfirmed) Kishimoto, M https://orcid.org/0000-0001-8393-3057 (unconfirmed) Saito, M Yoshida, H Brus, G Szmyd, J S |
著者名の別形: | 大仲, 浩徳 岩井, 裕 岸本, 将史 齋藤, 元浩 吉田, 英生 |
発行日: | Sep-2016 |
出版者: | IOP Publishing |
誌名: | Journal of Physics: Conference Series |
巻: | 745 |
論文番号: | 032148 |
抄録: | An overpotential model for planar solid oxide fuel cells (SOFCs) is developed and applied to a stack numerical simulation. Charge-transfer distribution within the electrodes are approximated using an exponential function, based on which the Ohmic loss and activation overpotential are evaluated. The predicted current-voltage characteristics agree well with the experimental results, and also the overpotentials within the cell can reproduce the results obtained from a numerical analysis where the distribution of the charge-transfer current within the electrodes is fully solved. The proposed model is expected to be useful to maintain the accuracy of SOFC simulations when the cell components, consisting of anode, electrolyte and cathode, are simplified into one layer element. |
記述: | 7th European Thermal-Sciences Conference (Eurotherm2016) |
著作権等: | Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. |
URI: | http://hdl.handle.net/2433/219646 |
DOI(出版社版): | 10.1088/1742-6596/745/3/032148 |
出現コレクション: | 学術雑誌掲載論文等 |
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