Membrane electrode assembly design to prevent CO2 crossover in CO2 reduction reaction electrolysis

To reach a net-zero energy economy by 2050, it is critical to develop negative emission technologies, such as CO 2 reduction electrolyzers, but these devices still suffer from various issues including low utilization of CO 2 because of its cross-over from the cathode to the anode. This comment highl...

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Bibliographic Details
Published in:Communications chemistry 2023-01, Vol.6 (1), p.2-3, Article 2
Main Authors: Chang, Hung-Ming, Zenyuk, Iryna V.
Format: Article
Language:English
Subjects:
639/301/299/886
639/4077/4057
Assembly
Carbon dioxide
Cathodes
Chemical reduction
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Comment
Crossovers
Efficiency
Electrodes
Electrolysis
Electrolytes
Energy
Membranes
Reduction (electrolytic)
Utilization
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Summary:To reach a net-zero energy economy by 2050, it is critical to develop negative emission technologies, such as CO 2 reduction electrolyzers, but these devices still suffer from various issues including low utilization of CO 2 because of its cross-over from the cathode to the anode. This comment highlights the recent innovative design of membrane electrode assembly, utilizing a bipolar membrane and catholyte layer that blocks CO 2 cross-over and enables high CO 2 single-pass utilization. To reach a net-zero energy economy by 2050, it is critical to develop negative emission technologies, such as CO 2 reduction electrolyzers, but these devices still suffer from various issues including low utilization of CO 2 because of its cross-over from the cathode to the anode. This comment highlights the recent innovative design of membrane electrode assembly, utilizing a bipolar membrane and catholyte layer that blocks CO 2 cross-over and enables high CO 2 single-pass utilization.
ISSN:2399-3669
2399-3669
DOI:10.1038/s42004-022-00806-0