Pulsed electrolysis for CO2 reduction: Techno-economic perspectives
You Lim Chung,
Sojin Kim,
Youngwon Lee,
Devina Thasia Wijaya,
Chan Woo Lee,
Kyoungsuk Jin,
Jonggeol Na
Affiliations
You Lim Chung
Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul 03760, Republic of Korea; Graduate Program in System Health Science and Engineering Ewha Womans University, Seoul 03760, Republic of Korea
Sojin Kim
Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
Youngwon Lee
Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul 03760, Republic of Korea; Graduate Program in System Health Science and Engineering Ewha Womans University, Seoul 03760, Republic of Korea
Devina Thasia Wijaya
Department of Chemistry, Kookmin University, Seoul 02707, Republic of Korea
Chan Woo Lee
Department of Chemistry, Kookmin University, Seoul 02707, Republic of Korea; Corresponding author
Kyoungsuk Jin
Department of Chemistry, Korea University, Seoul 02841, Republic of Korea; Corresponding author
Jonggeol Na
Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul 03760, Republic of Korea; Graduate Program in System Health Science and Engineering Ewha Womans University, Seoul 03760, Republic of Korea; Corresponding author
Summary: Pulsed electrolysis has emerged as a promising approach to CO2 reduction, offering a simple method to adjust product selectivity and enhance operational stability. However, conceptually applying the dynamic pulse operation process on a large scale highlights its differences when compared to conventional electrolysis processes, impacting the economic feasibility of the process. We discuss the influence of pulsed electrolysis on surface reaction mechanisms and the simulation of changes at both the continuum and smaller scales through computational modeling. Additionally, we point out considerations for applying pulsed CO2 electrolysis to a large-scale process and assess their economic implications, comparing pulsed electrolysis with constant electrolysis.
