2015
DOI: 10.1016/j.apenergy.2015.06.068
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A review of the gas diffusion layer in proton exchange membrane fuel cells: Durability and degradation

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Cited by 272 publications
(123 citation statements)
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“…38 While several studies reported in the literature addressed GDL focused on mechanical degradation 39,40 and few studies on chemical degradation, [41][42][43] no study has focused on thermal degradation. In standard materials composed of carbon fibers and the polymer coating the consequences are less critical at the given temperature range (slightly above the glass transition point).…”
Section: Methodsmentioning
confidence: 99%
“…38 While several studies reported in the literature addressed GDL focused on mechanical degradation 39,40 and few studies on chemical degradation, [41][42][43] no study has focused on thermal degradation. In standard materials composed of carbon fibers and the polymer coating the consequences are less critical at the given temperature range (slightly above the glass transition point).…”
Section: Methodsmentioning
confidence: 99%
“…On the other hand, adding large weight percentages of PTFE reduces the porosity of the gas diffusion media (Rashapov et al, 2015), which results in difficulties for reactants transportation and higher electrical and thermal contact resistances. Additionally, the surface coating changes the surface properties of the fibers affecting pressure losses in the media or degradation (Kumar et al, 2012;Park et al, 2015;Yu et al, 2014). Thus, an optimal PTFE loading should be used to improve performance of the cell (Fishman and Bazylak, 2011;LaManna and Kandlikar, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…The decrease in the contact angle of the GDL indicates that the hydrophobicity of the GDL is lowered. Reduced hydrophobicity of the GDL can lead to water management failure, which reduces the performance of PEMFCs . Water management failure easily leads to flooding.…”
Section: Introductionmentioning
confidence: 99%