SCHEDULED MAINTENANCE
Molecular design of redox carriers for electrochemical CO2 capture and concentration
†a
Lauren E.
Clarke,
†b
Zisheng
Zhang,
†c
Daniel
Bím,
c
Katelyn M.
Ripley,
b
Alessandra
Zito,
a
Fikile R.
Brushett,
*b
Anastassia N.
Alexandrova
*c
and
Jenny Y.
Yang
*a
Abstract
Developing improved methods for CO2 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 CO2 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.
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