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Capturing carbon dioxide from air with charged-sorbents

Engineering and Technology

Capturing carbon dioxide from air with charged-sorbents

H. Li, M. E. Zick, et al.

Discover the innovative world of 'charged-sorbents' developed by Huaiguang Li and colleagues, designed to effectively capture carbon dioxide from the atmosphere. This groundbreaking research presents a low-cost solution using activated carbons enhanced through electrochemical processes, enabling efficient regeneration and potential applications in various fields like catalysis.

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Playback language: English
Abstract
This paper introduces a new class of sorbent materials called 'charged-sorbents' for capturing carbon dioxide from the atmosphere. These materials are created by electrochemically inserting ions into low-cost activated carbons, using a battery-like charging process. The inserted ions act as adsorption sites for CO2, forming (bi)carbonates. Regeneration occurs at low temperatures (90-100 °C) using direct Joule heating due to the sorbent's conductive nature. The researchers anticipate wide applications for charged-sorbents in chemical separations and catalysis.
Publisher
Nature
Published On
Jun 20, 2024
Authors
Huaiguang Li, Mary E. Zick, Teedhat Trisukhon, Matteo Signorile, Xinyu Liu, Helen Eastmond, Shivani Sharma, Tristan L. Spreng, Jack Taylor, Jamie W. Gittins, Cavan Farrow, S. Alexandra Lim, Valentina Crocellà, Phillip J. Milner, Alexander C. Forse
Tags
charged-sorbents
carbon dioxide capture
activated carbons
electrochemical processes
regeneration
chemical separations
catalysis

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