Electrochemically Mediated Direct CO₂ Capture by a Stackable Bipolar Cell.

ABSTRACT: The unprecedented increase in atmospheric CO₂ concentration calls for effective carbon capture technologies. With distributed sources contributing to about half of the overall emission, CO₂ capture from the atmosphere [direct air capture, (DAC)] is more relevant than ever. Herein, an electrochemically mediated DAC system is reported which utilizes affinity of redox-active quinone moieties towards CO₂ molecules, and unlike incumbent chemisorption technologies which require temperature or pH swing, relies solely on the electrochemical voltage for CO₂ capture and release. The design and operation of a DAC system is demonstrated with stackable bipolar cells using quinone chemistry. Specifically, poly(vinylanthraquinone) (PVAQ) negative electrode unde

SUBMITTER: Hemmatifar A 

PROVIDER: S-EPMC9303529 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature