Optimization of Ionomer Content in Anode Catalyst Layer for Improving Performance of Anion Exchange Membrane Water Electrolyzer

Figure 2

Scanning electron microscopy (SEM) images of anode catalyst layers with different ionomer contents: (a) 2 wt%, (b) 7 wt%, and (c) 12 wt%. (d) Schematics of anode catalyst layers.

(a)

(b)

(c)

(d)