In a PEM fuel cell, the MEA lies in the center and is sandwiched between the cathode gas diffusion layer (CGDL) and the anode gas diffusion layer (AGDL). The electrochemical reaction happens both in the cathode catalyst layer (CCL) formed on one side of the MEA and in the anode catalyst layer (ACL) formed on the other side of the MEA. The water content in the MEA dominates the conductivity of the proton, particularly in the polymer electrolyte solution, and its distribution through MEA is affected by the electro-osmotic drag effect and the back diffusion due to the gradient of local water content.
Modeling of Water Content in MEA for the PEM Fuel Cell
Springer Theses
Water Content Estimation and Control of PEM Fuel Cell Stack and the Individual Cell in Vehicle ; Kapitel : 2 ; 41-66
2022-01-17
26 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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