Research Article

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

Figure 5

Electrochemical performance of MEA with both GDL A and GDL B before and after 3000 cycles of AST. (a) Polarization curve, (b) galvanostatic EIS at 1.0 A cm-2, (c) CVs, (d) ECSA change of MEA, and comparison of the degradation effect between the modified protocol and DOE AST protocol using CV: (e) MEA with GDL A and (f) MEA with GDL B.
(a)
(b)
(c)
(d)
(e)
(f)