Issue 28, 2019

Electrochemical reduction of CO2 using palladium modified boron-doped diamond electrodes: enhancing the production of CO

Abstract

In recent years, boron-doped diamond (BDD) has been utilized as an electrode for the electrochemical reduction of CO2, and several reports have been published on this. The wide potential window of BDD enables the hydrogen evolution reaction, which competes with CO2 reduction, to be suppressed. On the other hand, the high overpotential is still a problem. We attempted to overcome this problem by depositing metal on the BDD electrode. Pd metal was chosen to modify the surface of the BDD electrode (PdBDD). Employing this electrode at a lower potential of −1.6 V vs. Ag/AgCl, we increased the production of CO (53.3% faradaic efficiency) from the reduction of CO2. We present various attempts made to improve the CO production.

Graphical abstract: Electrochemical reduction of CO2 using palladium modified boron-doped diamond electrodes: enhancing the production of CO

Supplementary files

Article information

Article type
Paper
Submitted
12 Mar 2019
Accepted
05 Apr 2019
First published
06 Apr 2019

Phys. Chem. Chem. Phys., 2019,21, 15297-15301

Electrochemical reduction of CO2 using palladium modified boron-doped diamond electrodes: enhancing the production of CO

P. K. Jiwanti and Y. Einaga, Phys. Chem. Chem. Phys., 2019, 21, 15297 DOI: 10.1039/C9CP01409H

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