Fig. 2: Electrochemical characterisation. | Communications Chemistry

Fig. 2: Electrochemical characterisation.

From: Direct formation of copper nanoparticles from atoms at graphitic step edges lowers overpotential and improves selectivity of electrocatalytic CO2 reduction

Fig. 2

a LSV of Cu/GNF and blank GNFs measured in 0.1 M KHCO3 sweeping the potential from 0.65 V to -0.85 V vs RHE with a scan rate of 10 mV s-1. b Onset potential of the Cu/GNF shown for the CO2RR under CO2 and Ar saturated conditions, c Nyquist plot of GNF and Cu/GNF obtained in 0.1 M KHCO3 electrolyte at a constant potential of -0.78 V vs RHE within the frequency range from 10 kHz to 0.01 Hz and d Tafel plot of Cu/GNF extracted from the partial current density of the CO2 saturated LSV.

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