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

Figure 7

FE-TEM images of Pt/C in the cathode side before and after 3000 cycles of AST. (a, d) BOL MEA, (b, e) EOL MEA with GDL A, (c, f) EOL MEA with GDL B, and (g) particle size histogram of Pt/C in BOL MEA and EOL MEA with GDLs.