Gas Transport Properties in Gas Diffusion Layers: A Lattice Boltzmann Study

Gas Transport Properties in Gas Diffusion Layers: A Lattice Boltzmann Study

Year:    2011

Communications in Computational Physics, Vol. 9 (2011), Iss. 5 : pp. 1335–1346

Abstract

The lattice Boltzmann method is applied to the investigations of the diffusivity and the permeability in the gas diffusion layer (GDL) of the polymer electrolyte fuel cell (PEFC). The effects of the configuration of water droplets, the porosity of the GDL, the viscosity ratio of water to air, and the surface wettability of the GDL are investigated. From the simulations under the PEFC operating conditions, it is found that the heterogeneous water network and the high porosity improve the diffusivity and the permeability, and the hydrophobic surface decreases the permeability.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/cicp.301009.161210s

Communications in Computational Physics, Vol. 9 (2011), Iss. 5 : pp. 1335–1346

Published online:    2011-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    12

Keywords:   

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