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From Biomimicking to Bioinspired Design of Electrocatalysts for CO2 Reduction to C1 Products

Trogadas, Panagiotis; Xu, Linlin; Coppens, Marc-Olivier; (2023) From Biomimicking to Bioinspired Design of Electrocatalysts for CO2 Reduction to C1 Products. Angewandte Chemie International Edition , Article e202314446. 10.1002/anie.202314446. (In press). Green open access

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Abstract

The electrochemical reduction of CO2 (CO2RR) is a promising approach to maintain a carbon cycle balance and produce value-added chemicals. However, CO2RR technology is far from mature, since the conventional CO2RR electrocatalysts suffer from low activity (leading to currents <10 mA cm−2 in an H-cell), stability (<120 h), and selectivity. Hence, they cannot meet the requirements for commercial applications (>200 mA cm−2, >8000 h, >90 % selectivity). Significant improvements are possible by taking inspiration from nature, considering biological organisms that efficiently catalyze the CO2 to various products. In this minireview, we present recent examples of enzyme-inspired and enzyme-mimicking CO2RR electrocatalysts enabling the production of C1 products with high faradaic efficiency (FE). At present, these designs do not typically follow a methodical approach, but rather focus on isolated features of biological systems. To achieve disruptive change, we advocate a systematic design methodology that leverages fundamental mechanisms associated with desired properties in nature and adapts them to the context of engineering applications.

Type: Article
Title: From Biomimicking to Bioinspired Design of Electrocatalysts for CO2 Reduction to C1 Products
Location: Germany
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/anie.202314446
Publisher version: https://doi.org/10.1002/anie.202314446
Language: English
Additional information: Copyright © 2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, https://creativecommons.org/licenses/by/4.0/, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: Bio-Inspired; Bio-Mimicking; C1 Products; CO2 Reduction; Electrocatalysts
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
URI: https://discovery-pp.ucl.ac.uk/id/eprint/10179689
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