Issue 87, 2024

Simultaneous production of CO and H2O2 by paired electrolysis coupling CO2 reduction and water oxidation

Abstract

Here, a novel paired electrolysis system is constructed, where fluorine-doped tin oxide glass serves as the anode for the water oxidation reaction to produce hydrogen peroxide (H2O2), and cobalt phthalocyanine (CoPc)/carbon nanotube (CNT) loaded carbon paper as the cathode for CO2 reduction to generate CO. This system demonstrates a high overall energy efficiency of 34%, where a faradaic efficiency exceeding 90% for CO2 reduction and 60% for water oxidation to H2O2 have been achieved, demonstrating significant energy savings of nearly 40% compared to the respective half-reaction systems.

Graphical abstract: Simultaneous production of CO and H2O2 by paired electrolysis coupling CO2 reduction and water oxidation

Supplementary files

Article information

Article type
Communication
Submitted
29 Aug 2024
Accepted
04 Oct 2024
First published
14 Oct 2024

Chem. Commun., 2024,60, 12718-12721

Simultaneous production of CO and H2O2 by paired electrolysis coupling CO2 reduction and water oxidation

J. Wu, R. Guo, J. Wang, F. Niu, L. Guo and G. Ouyang, Chem. Commun., 2024, 60, 12718 DOI: 10.1039/D4CC04436C

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