Figure 2From: Ag-Cu nanoalloyed film as a high-performance cathode electrocatalytic material for zinc-air batteryThe electrochemical characterization on Ag50Cu50 catalyst. (a) The RDE curves of Ag50Cu50 catalyst in O2 and N2-saturated 0.1 M KOH solution; (b) the RDE curves at the rotation rates of 400, 800, 1,200, and 1,600 rpm; (c) the Koutecky-Levich plot of Ag50Cu50 catalyst; and (d) the ORR mass activity for Ag, Ag50Cu50, and Pt/C (20 wt%) catalysts.Back to article page