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Modeling of Proton-Conducting Solid Oxide Fuel Cells Fueled with Syngas

Author

Listed:
  • Meng Ni

    (Department of Building and Real Estate, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China)

  • Zongping Shao

    (State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry & Chemical Engineering, Nanjing University of Technology, No. 5 Xin Mofan Road, Nanjing 210009, China)

  • Kwong Yu Chan

    (Department of Chemistry, the University of Hong Kong, Pokfulam Road, Hong Kong, China)

Abstract

Solid oxide fuel cells (SOFCs) with proton conducting electrolyte (H-SOFCs) are promising power sources for stationary applications. Compared with other types of fuel cells, one distinct feature of SOFC is their fuel flexibility. In this study, a 2D model is developed to investigate the transport and reaction in an H-SOFC fueled with syngas, which can be produced from conventional natural gas or renewable biomass. The model fully considers the fluid flow, mass transfer, heat transfer and reactions in the H-SOFC. Parametric studies are conducted to examine the physical and chemical processes in H-SOFC with a focus on how the operating parameters affect the H-SOFC performance. It is found that the presence of CO dilutes the concentration of H 2 , thus decreasing the H-SOFC performance. With typical syngas fuel, adding H 2 O cannot enhance the performance of the H-SOFC, although water gas shift reaction can facilitate H 2 production.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:7:p:4381-4396:d:37998
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    References listed on IDEAS

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    1. 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.
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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. 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.

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