Volume 2, 2024

A minireview on electrochemical CO2 conversion based on carbonate/bicarbonate media

Abstract

Direct electrochemical CO2 conversion in carbonate/bicarbonate based CO2 capture media has emerged as a promising technology for integrating carbon capture and CO2 electroreduction processes in recent years, garnering significant attention from researchers owing to its high energy efficiency and carbon efficiency. For a holistic understanding of the development status of this field, this minireview summarizes a series of studies on the mechanism of carbonate/bicarbonate electrolyzers. Detailed mechanisms of the electrochemical conversion of carbonate/bicarbonate, the evolution of electrolyzers, and factors influencing the performance of electrolyzers are introduced. A summary of carbonate/bicarbonate electrolyzers' performance is also provided. Representative systems and materials for regulating the selectivity towards various products (e.g., CO, formate, methane, ethylene, and ethanol) and the cell voltage are highlighted. Furthermore, the challenges and future opportunities in this research area are also discussed.

Graphical abstract: A minireview on electrochemical CO2 conversion based on carbonate/bicarbonate media

Article information

Article type
Minireview
Submitted
24 nov 2023
Accepted
16 jan 2024
First published
18 jan 2024
This article is Open Access
Creative Commons BY-NC license

EES. Catal., 2024,2, 564-572

A minireview on electrochemical CO2 conversion based on carbonate/bicarbonate media

T. Li and M. Shao, EES. Catal., 2024, 2, 564 DOI: 10.1039/D3EY00287J

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