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Laser-perforated gas diffusion layer for promoting liquid water transport in a proton exchange membrane fuel cell

A laser was used to perforate gas diffusion layer (GDL) that enhances liquid water transport from the electrodes to the gas channels. The generated holes diameter is from 80 to 200 μm, and center-to-center spacing is from 1 to 3 mm. A three-dimensional numerical model, based on a level set method, w... Full description

Journal Title: International Journal of Hydrogen Energy 14 December 2017, Vol.42(50), pp.29995-30003
Main Author: Wang, Xueke
Other Authors: Chen, Sitong , Fan, Zhaohu , Li, Weiwei , Wang, Shubo , Li, Xue , Zhao, Yang , Zhu, Tong , Xie, Xiaofeng
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0360-3199 ; E-ISSN: 1879-3487 ; DOI: 10.1016/j.ijhydene.2017.08.131
Link: https://www.sciencedirect.com/science/article/pii/S036031991733402X
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recordid: elsevier_sdoi_10_1016_j_ijhydene_2017_08_131
title: Laser-perforated gas diffusion layer for promoting liquid water transport in a proton exchange membrane fuel cell
format: Article
creator:
  • Wang, Xueke
  • Chen, Sitong
  • Fan, Zhaohu
  • Li, Weiwei
  • Wang, Shubo
  • Li, Xue
  • Zhao, Yang
  • Zhu, Tong
  • Xie, Xiaofeng
subjects:
  • Water Management
  • Gas Diffusion Layer
  • Laser Perforation
  • Level Set Method
  • Engineering
ispartof: International Journal of Hydrogen Energy, 14 December 2017, Vol.42(50), pp.29995-30003
description: A laser was used to perforate gas diffusion layer (GDL) that enhances liquid water transport from the electrodes to the gas channels. The generated holes diameter is from 80 to 200 μm, and center-to-center spacing is from 1 to 3 mm. A three-dimensional numerical model, based on a level set method, was built to investigate the water transport characteristics through the perforations with different diameters and spacing. Experiments and simulation results show that there is a better correlation among the diameter, spacing of the perforation and the power density. When the perforation diameter is 100 μm and the perforation pitch is 2 mm, the water transfer effect is the best which enhances the water discharge effectively and avoids the liquid droplets obstructing the gas flow channel at the same time. These results may assist in the design of GDL for water management in the operation of proton exchange membrane fuel cells.
language: eng
source:
identifier: ISSN: 0360-3199 ; E-ISSN: 1879-3487 ; DOI: 10.1016/j.ijhydene.2017.08.131
fulltext: no_fulltext
issn:
  • 0360-3199
  • 03603199
  • 1879-3487
  • 18793487
url: Link


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titleLaser-perforated gas diffusion layer for promoting liquid water transport in a proton exchange membrane fuel cell
creatorWang, Xueke ; Chen, Sitong ; Fan, Zhaohu ; Li, Weiwei ; Wang, Shubo ; Li, Xue ; Zhao, Yang ; Zhu, Tong ; Xie, Xiaofeng
ispartofInternational Journal of Hydrogen Energy, 14 December 2017, Vol.42(50), pp.29995-30003
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subjectWater Management ; Gas Diffusion Layer ; Laser Perforation ; Level Set Method ; Engineering
descriptionA laser was used to perforate gas diffusion layer (GDL) that enhances liquid water transport from the electrodes to the gas channels. The generated holes diameter is from 80 to 200 μm, and center-to-center spacing is from 1 to 3 mm. A three-dimensional numerical model, based on a level set method, was built to investigate the water transport characteristics through the perforations with different diameters and spacing. Experiments and simulation results show that there is a better correlation among the diameter, spacing of the perforation and the power density. When the perforation diameter is 100 μm and the perforation pitch is 2 mm, the water transfer effect is the best which enhances the water discharge effectively and avoids the liquid droplets obstructing the gas flow channel at the same time. These results may assist in the design of GDL for water management in the operation of proton exchange membrane fuel cells.
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titleLaser-perforated gas diffusion layer for promoting liquid water transport in a proton exchange membrane fuel cell
description

A laser was used to perforate gas diffusion layer (GDL) that enhances liquid water transport from the electrodes to the gas channels. The generated holes diameter is from 80 to 200 μm, and center-to-center spacing is from 1 to 3 mm. A three-dimensional numerical model, based on a level set method, was built to investigate the water transport characteristics through the perforations with different diameters and spacing. Experiments and simulation results show that there is a better correlation among the diameter, spacing of the perforation and the power density. When the perforation diameter is 100 μm and the perforation pitch is 2 mm, the water transfer effect is the best which enhances the water discharge effectively and avoids the liquid droplets obstructing the gas flow channel at the same time. These results may assist in the design of GDL for water management in the operation of proton exchange membrane fuel cells.

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A laser was used to perforate gas diffusion layer (GDL) that enhances liquid water transport from the electrodes to the gas channels. The generated holes diameter is from 80 to 200 μm, and center-to-center spacing is from 1 to 3 mm. A three-dimensional numerical model, based on a level set method, was built to investigate the water transport characteristics through the perforations with different diameters and spacing. Experiments and simulation results show that there is a better correlation among the diameter, spacing of the perforation and the power density. When the perforation diameter is 100 μm and the perforation pitch is 2 mm, the water transfer effect is the best which enhances the water discharge effectively and avoids the liquid droplets obstructing the gas flow channel at the same time. These results may assist in the design of GDL for water management in the operation of proton exchange membrane fuel cells.

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lad01International Journal of Hydrogen Energy
date2017-12-14