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ABSTRACT With ever-increasing atmospheric carbon dioxide concentrations and commitments to limit global temperatures to less than 1.5 °C above pre-industrial levels, the need for versatile,

low-cost carbon dioxide capture technologies is paramount. Electrochemically mediated carbon dioxide separation systems promise low energetics, modular scalability and ease of

implementation, with direct integration to renewable energy for net-negative carbon dioxide operations. For these systems to be cost-competitive, key factors around their operation,

stability and scaling need to be addressed. Energy penalties associated with redox-active species transport, gas transport and bubble formation limit the volumetric productivity and scaling

potential due to their cost and footprint. Here we highlight the importance of engineering approaches towards enhancing the performance of redox-active electrochemically mediated carbon

dioxide capture systems to enable their widespread implementation. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution

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* Learn about institutional subscriptions * Read our FAQs * Contact customer support SIMILAR CONTENT BEING VIEWED BY OTHERS ELECTROCHEMICAL METHODS FOR CARBON DIOXIDE SEPARATIONS Article 08

September 2022 NON-AQUEOUS ALKOXIDE-MEDIATED ELECTROCHEMICAL CARBON CAPTURE Article 16 August 2024 CONTINUOUS DECOUPLED REDOX ELECTROCHEMICAL CO2 CAPTURE Article Open access 30 December 2024

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INFORMATION AUTHORS AND AFFILIATIONS * Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA Michael Massen-Hane, Kyle M. Diederichsen & T. Alan

Hatton Authors * Michael Massen-Hane View author publications You can also search for this author inPubMed Google Scholar * Kyle M. Diederichsen View author publications You can also search

for this author inPubMed Google Scholar * T. Alan Hatton View author publications You can also search for this author inPubMed Google Scholar CONTRIBUTIONS M.M.-H., K.M.D. and T.A.H.

contributed to conceptualization, writing of the original draft, and review and editing of the manuscript. CORRESPONDING AUTHOR Correspondence to T. Alan Hatton. ETHICS DECLARATIONS

COMPETING INTERESTS T.A.H. is a co-founder and Scientific Advisory Board member of Verdox, Inc. PEER REVIEW PEER REVIEW INFORMATION _Nature Chemical Engineering_ thanks Klaus Lackner and

Chang-Ha Lee for their contribution to the peer review of this work. ADDITIONAL INFORMATION PUBLISHER’S NOTE Springer Nature remains neutral with regard to jurisdictional claims in published

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and applicable law. Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Massen-Hane, M., Diederichsen, K.M. & Hatton, T.A. Engineering redox-active electrochemically mediated

carbon dioxide capture systems. _Nat Chem Eng_ 1, 35–44 (2024). https://doi.org/10.1038/s44286-023-00003-3 Download citation * Received: 19 August 2023 * Accepted: 20 November 2023 *

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