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A Microscale Modeling Tool for the Design and Optimization of Solid Oxide Fuel Cells

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  • Shixue Liu

    (Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
    Department of Physics, University of Science and Technology of China, Hefei 230026, China
    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
    Key Laboratory of Biofuels, Chinese Academy of Sciences, Qingdao 266101, China)

  • Wei Kong

    (Department of Physics, University of Science and Technology of China, Hefei 230026, China)

  • Zijing Lin

    (Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
    Department of Physics, University of Science and Technology of China, Hefei 230026, China)

Abstract

A two dimensional numerical model of a solid oxide fuel cell (SOFC) with electrode functional layers is presented. The model incorporates the partial differential equations for mass transport, electric conduction and electrochemical reactions in the electrode functional layers, the anode support layer, the cathode current collection layer and at the electrode/electrolyte interfaces. A dusty gas model is used in modeling the gas transport in porous electrodes. The model is capable of providing results in good agreement with the experimental I-V relationship. Numerical examples are presented to illustrate the applications of this numerical model as a tool for the design and optimization of SOFCs. For a stack assembly of a pitch width of 2 mm and an interconnect-electrode contact resistance of 0.025 Ωcm 2 , a typical SOFC stack cell should consist of a rib width of 0.9 mm, a cathode current collection layer thickness of 200–300 μm, a cathode functional layer thickness of 20–40 μm, and an anode functional layer thickness of 10–20 μm in order to achieve optimal performance.

Suggested Citation

  • Shixue Liu & Wei Kong & Zijing Lin, 2009. "A Microscale Modeling Tool for the Design and Optimization of Solid Oxide Fuel Cells," Energies, MDPI, vol. 2(2), pages 1-18, June.
    • Handle: RePEc:gam:jeners:v:2:y:2009:i:2:p:427-444:d:5239
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    Citations

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    Cited by:

    1. Yongqing Wang & Bo An & Ke Wang & Yan Cao & Fan Gao, 2020. "Identification of Restricting Parameters on Steps toward the Intermediate-Temperature Planar Solid Oxide Fuel Cell," Energies, MDPI, vol. 13(23), pages 1-15, December.
    2. Ebrahim Farjah & Mosayeb Bornapour & Taher Niknam & Bahman Bahmanifirouzi, 2012. "Placement of Combined Heat, Power and Hydrogen Production Fuel Cell Power Plants in a Distribution Network," Energies, MDPI, vol. 5(3), pages 1-25, March.
    3. Jeon, Dong Hyup, 2019. "Computational fluid dynamics simulation of anode-supported solid oxide fuel cells with implementing complete overpotential model," Energy, Elsevier, vol. 188(C).
    4. Yongqing Wang & Xingchen Li & Zhenning Guo & Ke Wang & Yan Cao, 2021. "Effect of the Reactant Transportation on Performance of a Planar Solid Oxide Fuel Cell," Energies, MDPI, vol. 14(4), pages 1-14, February.
    5. Meiting Guo & Xiao Ru & Zijing Lin & Guoping Xiao & Jianqiang Wang, 2020. "Optimization Design of Rib Width and Performance Analysis of Solid Oxide Electrolysis Cell," Energies, MDPI, vol. 13(20), pages 1-18, October.
    6. Jee Min Park & Dae Yun Kim & Jong Dae Baek & Yong-Jin Yoon & Pei-Chen Su & Seong Hyuk Lee, 2018. "Effect of Electrolyte Thickness on Electrochemical Reactions and Thermo-Fluidic Characteristics inside a SOFC Unit Cell," Energies, MDPI, vol. 11(3), pages 1-15, February.
    7. Wei Kong & Xiang Gao & Shixue Liu & Shichuan Su & Daifen Chen, 2014. "Optimization of the Interconnect Ribs for a Cathode-Supported Solid Oxide Fuel Cell," Energies, MDPI, vol. 7(1), pages 1-19, January.
    8. Jianguo Zhao & Zihan Lin & Mingjue Zhou, 2022. "Three-Dimensional Modeling and Performance Study of High Temperature Solid Oxide Electrolysis Cell with Metal Foam," Sustainability, MDPI, vol. 14(12), pages 1-17, June.

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