Ethanol Electrooxidation on Pt with Lanthanum Oxide as Cocatalyst in a DAFC

Figure 1

Cyclic voltammograms for ethanol electrooxidation on Pt/C, PtLa/C (50 : 50), and PtLa/C (30 : 70) electrocatalysts in 1.0 mol L⁻¹ CH₃CH₂OH + 0.5 mol L⁻¹ H₂SO₄ in the 0.05 to 0.90 V potential range at room temperature. Scan rate: 0.010 Vs⁻¹.