Innovative Perfluoropolyether‐Functionalized Gas Diffusion Layers with Enhanced Performance in Polymer Electrolyte Membrane Fuel Cells
Sign Up to like & getrecommendations! Published in 2020 at "Fuel Cells"
DOI: 10.1002/fuce.201900169
Abstract: In this work, perfluoropolyether (PFPE) functionalization was used as hydrophizing treatment for gas diffusion layers (GDLs) in polymer electrolyte membrane fuel cells (PEMFCs), instead of standard PTFE coatings, aiming to enhance the hydrophobicity of the… read more here.
Keywords: fuel cells; diffusion layers; gas diffusion; diffusion ... See more keywords
Transport characteristics of saturated gas diffusion layers treated with hydrophobic coatings
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2017.10.035
Abstract: Water flooding of cathodic gas diffusion layers (GDLs) in proton-exchange membrane fuel cells at high current densities or low temperatures limits efficient operation due to disturbed transport of reactants to the catalytic sites or products… read more here.
Keywords: phase; water; transport; gas ... See more keywords
Multi-scale structural analysis of gas diffusion layers
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2017.03.086
Abstract: Abstract The macroscopic properties of materials are strongly determined by their micro structure. Here, transport properties of gas diffusion layers (GDL) for fuel cells are considered. In order to simulate flow and thermal properties, detailed… read more here.
Keywords: diffusion layers; scale structural; gas diffusion; multi scale ... See more keywords
An Investigation of the Compressive Behavior of Polymer Electrode Membrane Fuel Cell’s Gas Diffusion Layers under Different Temperatures
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DOI: 10.3390/polym10090971
Abstract: In this paper, a commercial gas diffusion layer is used, to quantitatively study the correlation between its compressive characteristics and its operating temperature. In polymer electrode membrane fuel cells, the gas diffusion layer plays a… read more here.
Keywords: gas; diffusion layers; electrode; gas diffusion ... See more keywords