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Towards highly efficient electrochemical CO2 reduction: Cell designs, membranes and electrocatalysts
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SYSNO ASEP 0531712 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Towards highly efficient electrochemical CO2 reduction: Cell designs, membranes and electrocatalysts Author(s) Tufa, R. A. (DK)
Chanda, D. (CN)
Ma, M. (DK)
Aili, D. (DK)
Demissie, Taye Beyene (UOCHB-X) ORCID
Vaes, J. (BE)
Li, Q. (DK)
Liu, S. (CN)
Pant, D. (BE)Article number 115557 Source Title Applied Energy. - : Elsevier - ISSN 0306-2619
Roč. 277, Nov 1 (2020)Number of pages 40 s. Language eng - English Country GB - United Kingdom Keywords electrochemical CO2 reduction ; membranes ; electrocatalysts ; cell designs ; cell optimization ; product selectivity Subject RIV CF - Physical ; Theoretical Chemistry OECD category Physical chemistry Method of publishing Limited access Institutional support UOCHB-X - RVO:61388963 UT WOS 000579393800055 EID SCOPUS 85089272793 DOI 10.1016/j.apenergy.2020.115557 Annotation An increase in atmospheric CO2 concentration is directly associated with the rising concerns of climate change and energy issues. The development of effective technologies for capture and utilization of atmospheric CO2 is required to mitigate these global challenges. Electrochemical CO2 reduction (eCO2R) is one of the most promising approaches for the conversion of excess renewable energy sources into storable fuels and value-added chemicals. This field has recently advanced enormously with impressive research achievements aiming at bringing the technology on the brink of commercial realization. Herein, we present a comprehensive review analyzing the recent progress and opportunities of using different cell designs with the main focus on membrane-based flow cells for eCO2R, along with the required system-level strategies for optimal engineering to enhance electrocatalytic selectivity and efficiency. Research advance on the use of different polymer electrolyte membranes for CO2 electrolyzers is updated. Main achievements in new catalyst discoveries are assessed in terms of activity, selectivity, stability together with CO2R reaction kinetics. This was supported by the analysis of the computational studies performed to devise the effective catalyst design routes and to understand the pathways for CO2Rs. The interactive effect of the design of reactors and gas diffusion electrodes with catalysts is analyzed for different operating conditions (like pH, temperature and pressure) of CO2 electrolyzers. Finally, an outlook on future research directions in terms of material and process design for a breakthrough in eCO2R technologies is provided. Workplace Institute of Organic Chemistry and Biochemistry Contact asep@uochb.cas.cz ; Kateřina Šperková, Tel.: 232 002 584 ; Jana Procházková, Tel.: 220 183 418 Year of Publishing 2021 Electronic address https://doi.org/10.1016/j.apenergy.2020.115557
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