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

Figure 6

SEM images of the (a) BOL MEA and EOL MEA (b) with GDL A and (c) with GDL B (1st row: cathode surface ×1 k view, 2nd row: cathode surface ×20 k view, 3rd row: cross-section ×2 k view).

(a)

(b)

(c)