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Electroreduction of CO2: advances in the continuous production of formic acid and formate

Abstract: The study of the electrochemical CO2 reduction to obtain formate (HCOO-) or formic acid (HCOOH) is receiving much attention as a promising technology. Since continuous?mode operation has become necessary for practical implementation of electrochemical CO2 reduction, recent years have seen a rapid increase in the number of research approaches focusing on this aspect. This Focus Review provides a unified discussion of the available studies on the continuous electroreduction of CO2 to HCOO-/HCOOH, considering the different important features of process design. Moreover, this paper quantitatively assesses the performance of different studies that involve continuous electrochemical reactors for converting CO2 to HCOOH/HCOO-, comparing relevant typically used figures of merit, including energy consumption. Although some relevant trade-offs have already been achieved, the simultaneous optimization of all the figures of merit remains a challenge. Finally, concluding remarks highlight the detected trends and discuss relevant aspects that will have to be tackled by future studies in this field.

 Autoría: Fernández-Caso K., Díaz-Sainz G., Alvarez-Guerra M., Irabien A.,

 Fuente: ACS Energy Letters, 2023, 8(4), 1992-2024

 Editorial: American Chemical Society

 Fecha de publicación: 14/04/2023

 Nº de páginas: 33

 Tipo de publicación: Artículo de Revista

 DOI: 10.1021/acsenergylett.3c00489

 ISSN: 2380-8195

 Proyecto español: PID2019-108136RB-C31

 Url de la publicación: https://doi.org/10.1021/acsenergylett.3c00489