Raman Spectroscopy and Electrochemical Investigations of Pt Electrocatalyst Supported on Carbon Prepared through Plasma Pyrolysis of Natural Gas

Figure 4

(a) Cyclic voltammograms of Pt/C electrocatalysts in 0.5 mol dm⁻³ H₂SO₄ at 20 mV s⁻¹ and (b) cyclic voltammograms of the Pt/C electrocatalysts in 0.5 mol dm⁻³ H₂SO₄ + 1.0 mol dm⁻³ ethanol at 20 mV s⁻¹. (Dotted line) Pt₂₀/C1₈₀-Vulcan carbon and (solid line) Pt₂₀/C2₈₀-plasma carbon.

(a)

(b)