This paper investigates the thermoelectric characteristics of cross-flow planar type solid oxide fuel cell (SOFC) with natural gas as fuel by using a three-dimensional numerical model. The results reveal that temperature and reactant concentration increase gradually along the direction of fuel gas flow, and the reactant concentration increases in the first and subsequently decreases. In addition, the lower the temperature, the higher ideal electromotive force is as well as the less actual output electromotive force. The hydrogen concentration is positively correlated with the current density and the ideal electromotive force. However, increasing the mass flow continuously beyond the reasonable range can decrease the current and electrochemical reaction intensity. Variation in wall thickness was also simulated and found that increasing the thickness would result in higher intensity of electrochemical reaction and increased current density but at the cost of low efficiency in SOFC. Thus an optimal design can make a balance between fuel utilization and output power of SOFC.
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ASME 2018 12th International Conference on Energy Sustainability collocated with the ASME 2018 Power Conference and the ASME 2018 Nuclear Forum
June 24–28, 2018
Lake Buena Vista, Florida, USA
Conference Sponsors:
- Advanced Energy Systems Division
- Solar Energy Division
ISBN:
978-0-7918-5141-8
PROCEEDINGS PAPER
Numerical Study on Thermoelectric Performance of Cross-Flow Planar Solid Oxide Fuel Cell Available to Purchase
Haibin Lu,
Haibin Lu
Xi'an Jiaotong University, Xi'an, China
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Changcheng Xie,
Changcheng Xie
Shanghai Marine Equipment Research Institute, Shanghai, China
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Xiuwen Hua,
Xiuwen Hua
Xi'an Jiaotong University, Xi'an, China
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Taosif Iqbal,
Taosif Iqbal
Xi'an Jiaotong University, Xi'an, China
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Xiongwen Zhang,
Xiongwen Zhang
Xi'an Jiaotong University, Xi'an, China
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Guojun Li,
Guojun Li
Xi'an Jiaotong University, Xi'an, China
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Di Zhang
Di Zhang
Xi'an Jiaotong University, Xi'an, China
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Haibin Lu
Xi'an Jiaotong University, Xi'an, China
Changcheng Xie
Shanghai Marine Equipment Research Institute, Shanghai, China
Xiuwen Hua
Xi'an Jiaotong University, Xi'an, China
Taosif Iqbal
Xi'an Jiaotong University, Xi'an, China
Xiongwen Zhang
Xi'an Jiaotong University, Xi'an, China
Guojun Li
Xi'an Jiaotong University, Xi'an, China
Di Zhang
Xi'an Jiaotong University, Xi'an, China
Paper No:
ES2018-7351, V001T04A003; 8 pages
Published Online:
October 4, 2018
Citation
Lu, H, Xie, C, Hua, X, Iqbal, T, Zhang, X, Li, G, & Zhang, D. "Numerical Study on Thermoelectric Performance of Cross-Flow Planar Solid Oxide Fuel Cell." Proceedings of the ASME 2018 12th International Conference on Energy Sustainability collocated with the ASME 2018 Power Conference and the ASME 2018 Nuclear Forum. ASME 2018 12th International Conference on Energy Sustainability. Lake Buena Vista, Florida, USA. June 24–28, 2018. V001T04A003. ASME. https://doi.org/10.1115/ES2018-7351
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