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Computational fluid dynamics approach for performance evaluation of a solid oxide electrolysis cell for hydrogen production

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  • Navasa, Maria
  • Yuan, Jinliang
  • Sundén, Bengt

Abstract

A finite volume method based computational fluid dynamics model has been developed and applied for a cathode-supported planar solid oxide electrolysis cell (SOEC) operating in cross-flow configuration arrangement. The performance behavior, in terms of current density, temperature distribution and hydrogen production in an SOEC, has been investigated for different operating voltages and compared with a corresponding parallel-flow configuration. The predicted results show that higher current densities are obtained for higher operating voltages. The anodic current density is higher than the cathodic one. Yet, the parallel-flow configuration yields lower current density values although they remain in the same order of magnitude as those from the cross-flow arrangement. The simulation reveals various temperature profiles depending on the operating voltage emphasizing the three thermal operating modes of an SOEC, i.e., endothermic, thermo-neutral and exothermic. Per contra, the parallel-flow arrangement gives a temperature decrease along the flow direction although operating in exothermic mode. Higher hydrogen molar fractions at the outlet of the cathode channel were obtained at higher operating voltages due to the higher current densities generated and the exothermic operating mode. The parallel-flow arrangement yields lower hydrogen production due to the lower current densities revealed.

Suggested Citation

  • Navasa, Maria & Yuan, Jinliang & Sundén, Bengt, 2015. "Computational fluid dynamics approach for performance evaluation of a solid oxide electrolysis cell for hydrogen production," Applied Energy, Elsevier, vol. 137(C), pages 867-876.
    • Handle: RePEc:eee:appene:v:137:y:2015:i:c:p:867-876
    DOI: 10.1016/j.apenergy.2014.04.104
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    Cited by:

    1. Meng, Xiuxia & Liu, Yongna & Yang, Naitao & Tan, Xiaoyao & Liu, Jian & Diniz da Costa, João C. & Liu, Shaomin, 2017. "Highly compact and robust hollow fiber solid oxide cells for flexible power generation and gas production," Applied Energy, Elsevier, vol. 205(C), pages 741-748.
    2. Song, Chunfeng & Liu, Qingling & Ji, Na & Kansha, Yasuki & Tsutsumi, Atsushi, 2015. "Optimization of steam methane reforming coupled with pressure swing adsorption hydrogen production process by heat integration," Applied Energy, Elsevier, vol. 154(C), pages 392-401.
    3. Jiming Yuan & Zeming Li & Benfeng Yuan & Guoping Xiao & Tao Li & Jian-Qiang Wang, 2023. "Optimization of High-Temperature Electrolysis System for Hydrogen Production Considering High-Temperature Degradation," Energies, MDPI, vol. 16(6), pages 1-18, March.
    4. Sriram Srinivas & Shankar Raman Dhanushkodi & Ramesh Kumar Chidambaram & Dorota Skrzyniowska & Anna Korzen & Jan Taler, 2023. "Benchmarking Electrolytes for the Solid Oxide Electrolyzer Using a Finite Element Model," Energies, MDPI, vol. 16(18), pages 1-15, September.
    5. Xing, Xuetao & Lin, Jin & Song, Yonghua & Hu, Qiang & Zhou, You & Mu, Shujun, 2018. "Optimization of hydrogen yield of a high-temperature electrolysis system with coordinated temperature and feed factors at various loading conditions: A model-based study," Applied Energy, Elsevier, vol. 232(C), pages 368-385.
    6. Kang, Zhenye & Mo, Jingke & Yang, Gaoqiang & Li, Yifan & Talley, Derrick A. & Retterer, Scott T. & Cullen, David A. & Toops, Todd J. & Brady, Michael P. & Bender, Guido & Pivovar, Bryan S. & Green, Jo, 2017. "Thin film surface modifications of thin/tunable liquid/gas diffusion layers for high-efficiency proton exchange membrane electrolyzer cells," Applied Energy, Elsevier, vol. 206(C), pages 983-990.
    7. Youchan Kim & Kisung Lim & Hassan Salihi & Seongku Heo & Hyunchul Ju, 2023. "The Effects of Stack Configurations on the Thermal Management Capabilities of Solid Oxide Electrolysis Cells," Energies, MDPI, vol. 17(1), pages 1-20, December.
    8. Patil, Tarkeshwar C. & Duttagupta, Siddhartha P., 2016. "Micro-Solid Oxide Fuel Cell: A multi-fuel approach for portable applications," Applied Energy, Elsevier, vol. 168(C), pages 534-543.
    9. Choi, Bokkyu & Panthi, Dhruba & Nakoji, Masateru & Tsutsumi, Kaduo & Tsutsumi, Atsushi, 2017. "Design and performance evaluation of a novel 1kW-class hydrogen production/power generation system," Applied Energy, Elsevier, vol. 194(C), pages 296-303.
    10. 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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