Electrochemical Deposition of Platinum and Palladium on Gold Nanoparticles Loaded Carbon Nanotube Support for Oxidation Reactions in Fuel Cell

Table 1

Onset potentials and oxidation current intensities of PdPtPt/Au-CNT, PtPdPd/Au-CNT, and PtPdPt/Au-CNT in the potential range from 0.00 to 1.00 V at a scan rate 0.05 V·s⁻¹.

Prepared catalyst	Methanol oxidation		Ethanol oxidation		Formic acid oxidation
	Onset potential; (V)	Anodic current intensity (mA/10^2)	Onset potential; (V)	Anodic current intensity (mA/10^2)	Onset potential,; 𝑥1 (V)	Cathodic current intensity (mA/10^2)
PdPtPt/Au-CNT	0.30	140	0.38	245	0.10	420
PtPdPd/Au-CNT	0.38	70	0.41	235	0.01	660
PtPdPt/Au-CNT	0.30	120	0.40	265	0.10	320