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Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell

Author

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  • Hossain, Mamdud
  • Islam, Sheikh Zahidul
  • Colley-Davies, Amy
  • Adom, Ebenezer

Abstract

The present study focuses on the investigation of water dynamics inside a polymer electrolyte membrane fuel cell using two different modelling approaches: Eulerian two-phase mixture and volume of fluid interface tracking models. The Eulerian two-phase mixture model has provided overall information of species distribution inside a fuel cell and identified that the liquid water usually accumulates under the land area. The volume of fluid interface tracking model has then been implemented to investigate the emergence of water droplets from the gas diffusion layer into the cathode channel and the subsequent removal of water from the channel. Further, the effects of the location of water emergence in the cathode channel on the dynamic behavior of liquid water have been investigated. The present study shows that the water emerging into the channel near the side walls greatly reduces the surface water coverage of the channel. In order to control the water path into the channel near side walls, a further discussion has been provided that a gas diffusion layer design based on hydrophilic fibres distributed inside a hydrophobic fibre matrix could provide a precisely controlled water path through the gas diffusion layer.

Suggested Citation

  • Hossain, Mamdud & Islam, Sheikh Zahidul & Colley-Davies, Amy & Adom, Ebenezer, 2013. "Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell," Renewable Energy, Elsevier, vol. 50(C), pages 763-779.
    • Handle: RePEc:eee:renene:v:50:y:2013:i:c:p:763-779
    DOI: 10.1016/j.renene.2012.08.041
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    References listed on IDEAS

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    1. Yu, Li-jun & Ren, Geng-po & Qin, Ming-jun & Jiang, Xiu-min, 2009. "Transport mechanisms and performance simulations of a PEM fuel cell with interdigitated flow field," Renewable Energy, Elsevier, vol. 34(3), pages 530-543.
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    Cited by:

    1. Qin, Yanzhou & Guo, Qiaoyu & Chen, Rouxian & Zhuang, Yuan & Wang, Yulin, 2021. "Numerical investigation of water droplet impact on PEM fuel cell flow channel surface," Renewable Energy, Elsevier, vol. 168(C), pages 750-763.
    2. Jin Hyun Kim & Woo Tae Kim, 2018. "Numerical Investigation of Gas-Liquid Two-Phase Flow inside PEMFC Gas Channels with Rectangular and Trapezoidal Cross Sections," Energies, MDPI, vol. 11(6), pages 1-18, May.
    3. Feng, Pengfei & Tan, Ligang & Cao, Yucheng & Chen, Ding, 2023. "Numerical investigations of two-phase flow coupled with species transport in proton exchange membrane fuel cells," Energy, Elsevier, vol. 278(PA).

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