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Electrical Performance and Carbon Deposition Differences between the Bi-Layer Interconnector and Conventional Straight Interconnector Solid Oxide Fuel Cell

Author

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  • Min Yan

    (Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China)

  • Pei Fu

    (Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China)

  • Qiuyang Chen

    (Nuclear Safety Technology Research Center, Suzhou Nuclear Power Institute, Xihuan Road 1788#, Suzhou 215004, Jiangsu, China)

  • Qiuwang Wang

    (Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China)

  • Min Zeng

    (Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China)

  • Jaideep Pandit

    (Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24060, USA)

Abstract

Carbon deposition considered in a solid oxide fuel cell (SOFC) model may be influenced by the operating voltage, inlet water/methane ratio, working temperature and pressure, inlet molar fraction of fuel and so on. The effects of these parameters in a planar SOFC implementing a novel bi-layer interconnector are not well understood. This paper is focused on the numerical study of carbon deposition and electrical performance of a bi-layer interconnector planar SOFC. The results illustrate that the electrical performance of the bi-layer interconnector SOFC is 11% higher than that of the conventional straight interconnector SOFC with initial state. After 120 days of operation, the electrical performance of the bi-layer interconnector SOFC has a slight decrease and more carbon deposit because of the increased electrochemical reaction rate. However, these differences minimize if higher operating voltages are involved.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:7:p:4601-4613:d:38414
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    References listed on IDEAS

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    1. Andersson, Martin & Yuan, Jinliang & Sundén, Bengt, 2010. "Review on modeling development for multiscale chemical reactions coupled transport phenomena in solid oxide fuel cells," Applied Energy, Elsevier, vol. 87(5), pages 1461-1476, May.
    2. 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.
    3. 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.
    4. Yan, Min & Zeng, Min & Chen, Qiuyang & Wang, Qiuwang, 2012. "Numerical study on carbon deposition of SOFC with unsteady state variation of porosity," Applied Energy, Elsevier, vol. 97(C), pages 754-762.
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    Cited by:

    1. Nelson Thambiraj & Ivar Waernhus & Crina Suciu & Arild Vik & Alex C. Hoffmann, 2020. "Single-Cell Tests to Explore the Reliability of Sofc Installations Operating Offshore," Energies, MDPI, vol. 13(7), pages 1-19, April.
    2. Yan, Min & Fu, Pei & Li, Xiang & Zeng, Min & Wang, Qiuwang, 2015. "Mass transfer enhancement of a spiral-like interconnector for planar solid oxide fuel cells," Applied Energy, Elsevier, vol. 160(C), pages 954-964.
    3. Young Mun Lee & Heeyoon Chung & Seon Ho Kim & Hyeng Sub Bae & Hyung Hee Cho, 2017. "Optimization of the Heating Element in a Gas-Gas Heater Using an Integrated Analysis Model," Energies, MDPI, vol. 10(12), pages 1-19, November.
    4. Wei Kong & Qiang Zhang & Xiuwen Xu & Daifen Chen, 2015. "A Simple Expression for the Tortuosity of Gas Transport Paths in Solid Oxide Fuel Cells’ Porous Electrodes," Energies, MDPI, vol. 8(12), pages 1-7, December.

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