Radiolytic Preparation of Electrocatalysts with Pt-Co and Pt-Sn Nanoparticles for a Proton Exchange Membrane Fuel Cell

Figure 6

Cyclic voltammograms of the Pt-Co/C, Pt-Sn/VC, and Pt/VC (HiSpec 4000) electrodes in 0.5 M H₂SO₄; room temperature, scan rate 0.1 V/s.

(a)

(b)