Molecular design of redox carriers for electrochemical CO 2 capture and concentration

Developing improved methods for CO 2 capture and concentration (CCC) is essential to mitigating the impact of our current emissions and can lead to carbon net negative technologies. Electrochemical approaches for CCC can achieve much higher theoretical efficiencies compared to the thermal methods th...

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Published inChemical Society reviews Vol. 51; no. 20; pp. 8415 - 8433
Main Authors Barlow, Jeffrey M., Clarke, Lauren E., Zhang, Zisheng, Bím, Daniel, Ripley, Katelyn M., Zito, Alessandra, Brushett, Fikile R., Alexandrova, Anastassia N., Yang, Jenny Y.
Format Journal Article
LanguageEnglish
Published 17.10.2022
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Summary:Developing improved methods for CO 2 capture and concentration (CCC) is essential to mitigating the impact of our current emissions and can lead to carbon net negative technologies. Electrochemical approaches for CCC can achieve much higher theoretical efficiencies compared to the thermal methods that have been more commonly pursued. The use of redox carriers, or molecular species that can bind and release CO 2 depending on their oxidation state, is an increasingly popular approach as carrier properties can be tailored for different applications. The key requirements for stable and efficient redox carriers are discussed in the context of chemical scaling relationships and operational conditions. Computational and experimental approaches towards developing redox carriers with optimal properties are also described.
ISSN:0306-0012
1460-4744
DOI:10.1039/D2CS00367H