Effects of Gas-Diffusion Layers and Water Management on the Carbon Corrosion of a Catalyst Layer in Proton-Exchange Membrane Fuel Cells

Figure 3

(a–d) SEM images of fresh GDLs (×200 view; top: MPL surface, bottom: substrate surface, left: GDL A, right: GDL B) and (e) pore size distributions of GDLs.

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