Skip to main content
. 2023 May 3;123(10):6716–6792. doi: 10.1021/acs.chemrev.2c00751

Table 1. Performance Data of Selected NPG Electrodes for Methanol Oxidation Reaction.

electrode, preparation route electrolyte v [mV s–1] Ep [V vs RHE] jp [mA cm–2] ref
potentiostatic dealloying Ag77Au22Pt1 in 0.77 mol L–1 HClO4 passing a charge of 5 C cm–2, subsequent annealing in air at 425 °C for 2 h 1 mol L–1 MeOH + 5 mol L–1 KOH 10 0.69 0.92 (525)
free corrosion of Au16Cu84 nanoparticles in 3 mol L–1 HNO3, final composition xCures = 2% (EDX) 1 mol L–1 MeOH + 0.5 mol L–1 KOH 5 1.30 0.045 (240)
potentiostatic dealloying from Ag75Au25, final xAgres < 1% (EDX), UPD deposition of Ag to surface content of xAg = 9% (XPS) 1 mol L–1 MeOH +0.1 mol L–1 NaOH 10 1.25 0.084 (505)
potentiostatic dealloying from Ag75Au25, final xAgres < 1% (EDX) 1 mol L–1 MeOH + 0.1 mol L–1 NaOH 10 1.20 0.042 (505)
porous gold nano bowls, xAgres = 4%, from reduction of HAuCl4 by hydroquinone in presence of poly(vinylpyrrolidone) and AgCl nanocubes, removal of AgCl by NH4OH 2 mol L–1 MeOH + 0.5 mol L–1 KOH 20 1.18 0.133 (527)
planar polycrystalline Au 1.5 mol L–1 MeOH + 0.01 mol L–1 KOH 10 1.25 0.076 (528)