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Efficient electrocatalytic CO2 reduction to CO with high selectivity using a N-doped carbonized wood membrane

Abstract

A N-doped carbonized wood membrane (N-CWM) is fabricated and directly used as a self-supported electrode for efficient CO2 electroreduction in aqueous solution with a maximum CO Faradaic efficiency (FE) of 78% at -0.68 V versus reversible hydrogen electrode (RHE) and long-term stability for CO procuction with a average FE of 67% during 10 h of electrolysis. Density functional theory (DFT) calculations reveal that the pyridinic-N is the most active site for selective CO2 reduction to CO, which can significantly lower the free energy barriers for the formation of *COOH intermediate and CO desorption.

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Supplementary files

Article information


Submitted
31 Jan 2020
Accepted
17 Mar 2020
First published
25 Mar 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Letter

Efficient electrocatalytic CO2 reduction to CO with high selectivity using a N-doped carbonized wood membrane

H. Zhang, S. Min, F. Wang, Z. Zhang and C. Kong, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ00538J

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