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Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities
Catalysts, Volume: 10, Issue: 6, Start page: 713
Swansea University Authors:
Sandra Hernandez Aldave, Enrico Andreoli
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© 2020 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 4.0 (CC BY) License
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DOI (Published version): 10.3390/catal10060713
Abstract
Electrocatalysis plays a prominent role in the development of carbon dioxide utilisation technologies. Many new and improved CO2 conversion catalysts have been developed in recent years, progressively achieving better performance. However, within this flourishing field, a disconnect in catalyst perf...
Published in: | Catalysts |
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ISSN: | 2073-4344 |
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MDPI AG
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa55201 |
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2020-11-05T14:13:28.8640257 v2 55201 2020-09-18 Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities 3c2500b52ca560852fb4b9b1d2cbf4a2 Sandra Hernandez Aldave Sandra Hernandez Aldave true false cbd843daab780bb55698a3daccd74df8 0000-0002-1207-2314 Enrico Andreoli Enrico Andreoli true false 2020-09-18 FGSEN Electrocatalysis plays a prominent role in the development of carbon dioxide utilisation technologies. Many new and improved CO2 conversion catalysts have been developed in recent years, progressively achieving better performance. However, within this flourishing field, a disconnect in catalyst performance evaluation has emerged as the Achilles heel of CO2 electrolysis. Too often, catalysts are assessed in electrochemical settings that are far removed from industrially relevant operational conditions, where CO2 mass transport limitations should be minimised. To overcome this issue, gas diffusion electrodes and gas-fed electrolysers need to be developed and applied, presenting new challenges and opportunities to the CO2 electrolysis community. In this review, we introduce the reader to the fundamentals of gas diffusion electrodes and gas-fed electrolysers, highlighting their advantages and disadvantages. We discuss in detail the design of gas diffusion electrodes and their operation within gas-fed electrolysers in both flow-through and flow-by configurations. Then, we correlate the structure and composition of gas diffusion electrodes to the operational performance of electrolysers, indicating options and prospects for improvement. Overall, this study will equip the reader with the fundamental understanding required to enhance and optimise CO2 catalysis beyond the laboratory scale. Journal Article Catalysts 10 6 713 MDPI AG 2073-4344 CO2 electrocatalysis; gas diffusion electrodes; gas-fed electrolysers 26 6 2020 2020-06-26 10.3390/catal10060713 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2020-11-05T14:13:28.8640257 2020-09-18T08:56:54.8907730 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Sandra Hernandez Aldave 1 Enrico Andreoli 0000-0002-1207-2314 2 55201__18196__2fe98df8b46f4c5098db27969fc5b41e.pdf 55201.pdf 2020-09-18T08:58:41.6828022 Output 4456324 application/pdf Version of Record true © 2020 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 4.0 (CC BY) License true eng http://creativecommons.org/licenses/by/4.0/ |
title |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities |
spellingShingle |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities Sandra Hernandez Aldave Enrico Andreoli |
title_short |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities |
title_full |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities |
title_fullStr |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities |
title_full_unstemmed |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities |
title_sort |
Fundamentals of Gas Diffusion Electrodes and Electrolysers for Carbon Dioxide Utilisation: Challenges and Opportunities |
author_id_str_mv |
3c2500b52ca560852fb4b9b1d2cbf4a2 cbd843daab780bb55698a3daccd74df8 |
author_id_fullname_str_mv |
3c2500b52ca560852fb4b9b1d2cbf4a2_***_Sandra Hernandez Aldave cbd843daab780bb55698a3daccd74df8_***_Enrico Andreoli |
author |
Sandra Hernandez Aldave Enrico Andreoli |
author2 |
Sandra Hernandez Aldave Enrico Andreoli |
format |
Journal article |
container_title |
Catalysts |
container_volume |
10 |
container_issue |
6 |
container_start_page |
713 |
publishDate |
2020 |
institution |
Swansea University |
issn |
2073-4344 |
doi_str_mv |
10.3390/catal10060713 |
publisher |
MDPI AG |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering |
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description |
Electrocatalysis plays a prominent role in the development of carbon dioxide utilisation technologies. Many new and improved CO2 conversion catalysts have been developed in recent years, progressively achieving better performance. However, within this flourishing field, a disconnect in catalyst performance evaluation has emerged as the Achilles heel of CO2 electrolysis. Too often, catalysts are assessed in electrochemical settings that are far removed from industrially relevant operational conditions, where CO2 mass transport limitations should be minimised. To overcome this issue, gas diffusion electrodes and gas-fed electrolysers need to be developed and applied, presenting new challenges and opportunities to the CO2 electrolysis community. In this review, we introduce the reader to the fundamentals of gas diffusion electrodes and gas-fed electrolysers, highlighting their advantages and disadvantages. We discuss in detail the design of gas diffusion electrodes and their operation within gas-fed electrolysers in both flow-through and flow-by configurations. Then, we correlate the structure and composition of gas diffusion electrodes to the operational performance of electrolysers, indicating options and prospects for improvement. Overall, this study will equip the reader with the fundamental understanding required to enhance and optimise CO2 catalysis beyond the laboratory scale. |
published_date |
2020-06-26T04:09:15Z |
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1763753648711532544 |
score |
11.021648 |