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Multi-Dimensional Modelling of Bioinspired Flow Channels Based on Plant Leaves for PEM Electrolyser

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  • Mohammad Alobeid

    (Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazit University, Ankara 06010, Türkiye
    Hydrogen Technologies and Energy Research Centre (H2 TEAM), Ankara Yıldırım Beyazit University, Ankara 06010, Türkiye)

  • Selahattin Çelik

    (Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazit University, Ankara 06010, Türkiye
    Hydrogen Technologies and Energy Research Centre (H2 TEAM), Ankara Yıldırım Beyazit University, Ankara 06010, Türkiye)

  • Hasan Ozcan

    (Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazit University, Ankara 06010, Türkiye
    Hydrogen Technologies and Energy Research Centre (H2 TEAM), Ankara Yıldırım Beyazit University, Ankara 06010, Türkiye)

  • Bahman Amini Horri

    (School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, UK)

Abstract

The Polymer Electrolyte Membrane Water Electrolyser (PEMWE) has gained significant interest among various electrolysis methods due to its ability to produce highly purified, compressed hydrogen. The spatial configuration of bipolar plates and their flow channel patterns play a critical role in the efficiency and longevity of the PEM water electrolyser. Optimally designed flow channels ensure uniform pressure and velocity distribution across the stack, enabling high-pressure operation and facilitating high current densities. This study uses flow channel geometry inspired by authentic vine leaf patterns found in biomass, based on various plant leaves, including Soybean, Victoria Amazonica, Water Lily, Nelumbo Nucifera, Kiwi, and Acalypha Hispida leaves, as a novel channel pattern to design a PEM bipolar plate with a circular cross-section area of 13.85 c m 2 . The proposed bipolar design is further analysed with COMSOL Multiphysics to integrate the conservation of mass and momentum, molecular diffusion (Maxwell–Stefan), charge transfer equations, and other fabrication factors into a cohesive single-domain model. The simulation results showed that the novel designs have the most uniform velocity profile, lower pressure drop, superior pressure distribution, and heightened mixture homogeneity compared to the traditional serpentine models.

Suggested Citation

  • Mohammad Alobeid & Selahattin Çelik & Hasan Ozcan & Bahman Amini Horri, 2024. "Multi-Dimensional Modelling of Bioinspired Flow Channels Based on Plant Leaves for PEM Electrolyser," Energies, MDPI, vol. 17(17), pages 1-20, September.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:17:p:4411-:d:1470334
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    References listed on IDEAS

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    1. Upadhyay, Mukesh & Kim, Ayeon & Paramanantham, SalaiSargunan S. & Kim, Heehyang & Lim, Dongjun & Lee, Sunyoung & Moon, Sangbong & Lim, Hankwon, 2022. "Three-dimensional CFD simulation of proton exchange membrane water electrolyser: Performance assessment under different condition," Applied Energy, Elsevier, vol. 306(PA).
    2. Lin, Rui & Lu, Ying & Xu, Ji & Huo, Jiawei & Cai, Xin, 2022. "Investigation on performance of proton exchange membrane electrolyzer with different flow field structures," Applied Energy, Elsevier, vol. 326(C).
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