Review Article

Platinum Monolayer Electrocatalysts for the Oxygen Reduction Reaction: Improvements Induced by Surface and Subsurface Modifications of Cores

Figure 7

Voltammetry curves for the PtML/Br-treated-Pd3Co/C (a), and polarization curves for the ORR (b) in a stability test involving 25,000 potential cycles [22].
530397.fig.007a
(a)
530397.fig.007b
(b)