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Mathematical Modeling Analysis and Optimization of Key Design Parameters of Proton-Conductive Solid Oxide Fuel Cells

Author

Listed:
  • Hong Liu

    (Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ 85721, USA)

  • Zoheb Akhtar

    (Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ 85721, USA)

  • Peiwen Li

    (Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ 85721, USA)

  • Kai Wang

    (Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ 85721, USA)

Abstract

A proton-conductive solid oxide fuel cell (H-SOFC) has the advantage of operating at higher temperatures than a PEM fuel cell, but at lower temperatures than a SOFC. This study proposes a mathematical model for an H-SOFC in order to simulate the performance and optimize the flow channel designs. The model analyzes the average mass transfer and species’ concentrations in flow channels, which allows the determination of an average concentration polarization in anode and cathode gas channels, the proton conductivity of electrolyte membranes, as well as the activation polarization. An electrical circuit for the current and proton conduction is applied to analyze the ohmic losses from an anode current collector to a cathode current collector. The model uses relatively less amount of computational time to find the V-I curve of the fuel cell, and thus it can be applied to compute a large amount of cases with different flow channel dimensions and operating parameters for optimization. The modeling simulation results agreed satisfactorily with the experimental results from literature. Simulation results showed that a relatively small total width of flow channel and rib, together with a small ratio of the rib’s width versus the total width, are preferable for obtaining high power densities and thus high efficiency.

Suggested Citation

  • Hong Liu & Zoheb Akhtar & Peiwen Li & Kai Wang, 2014. "Mathematical Modeling Analysis and Optimization of Key Design Parameters of Proton-Conductive Solid Oxide Fuel Cells," Energies, MDPI, vol. 7(1), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:1:p:173-190:d:31936
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    References listed on IDEAS

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    1. Hajimolana, S. Ahmad & Hussain, M. Azlan & Daud, W.M. Ashri Wan & Soroush, M. & Shamiri, A., 2011. "Mathematical modeling of solid oxide fuel cells: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(4), pages 1893-1917, May.
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    Cited by:

    1. Daifen Chen & Biao Hu & Kai Ding & Cheng Yan & Liu Lu, 2018. "The Geometry Effect of Cathode/Anode Areas Ratio on Electrochemical Performance of Button Fuel Cell Using Mixed Conducting Materials," Energies, MDPI, vol. 11(7), pages 1-16, July.
    2. Meng Ni & Zongping Shao & Kwong Yu Chan, 2014. "Modeling of Proton-Conducting Solid Oxide Fuel Cells Fueled with Syngas," Energies, MDPI, vol. 7(7), pages 1-16, July.
    3. Min Yan & Pei Fu & Qiuyang Chen & Qiuwang Wang & Min Zeng & Jaideep Pandit, 2014. "Electrical Performance and Carbon Deposition Differences between the Bi-Layer Interconnector and Conventional Straight Interconnector Solid Oxide Fuel Cell," Energies, MDPI, vol. 7(7), pages 1-13, July.
    4. Jie Ma & Suning Ma & Xinyi Zhang & Daifen Chen & Juan He, 2018. "Development of Large-Scale and Quasi Multi-Physics Model for Whole Structure of the Typical Solid Oxide Fuel Cell Stacks," Sustainability, MDPI, vol. 10(9), pages 1-16, August.
    5. Nurul Waheeda Mazlan & Munirah Shafiqah Murat & Chung-Jen Tseng & Oskar Hasdinor Hassan & Nafisah Osman, 2022. "Lattice Expansion and Crystallite Size Analyses of NiO-BaCe 0. 54 Zr 0. 36 Y 0. 1 O 3-δ Anode Composite for Proton Ceramic Fuel Cells Application," Energies, MDPI, vol. 15(22), pages 1-10, November.
    6. Zhen Zhang & Chengzhi Guan & Leidong Xie & Jian-Qiang Wang, 2022. "Design and Analysis of a Novel Opposite Trapezoidal Flow Channel for Solid Oxide Electrolysis Cell Stack," Energies, MDPI, vol. 16(1), pages 1-11, December.

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