Electrochemical CO2 reduction in membrane-electrode assemblies

Lei Ge, Hesamoddin Rabiee, Mengran Li, Siddhartha Subramanian, Yao Zheng, Joong Hee Lee, Thomas Burdyny, H. Wang

Research output: Contribution to journalReview articlepeer-review

77 Citations (Scopus)
10 Downloads (Pure)

Abstract

Electrochemical conversion of gaseous CO2 to value-added products and fuels is a promising approach to achieve net-zero CO2 emission energy systems. Significant efforts have been achieved in the design and synthesis of highly active and selective electrocatalysts for this reaction and their reaction mechanism. To perform an efficient conversion and desired product selectivity in practical applications, we need an active, cost-effective, stable, and scalable electrolyzer design. Membrane-electrode assemblies (MEAs) can be an efficient solution to address the key challenges in the aqueous gas diffusion electrodes (GDE), e.g., ohmic resistances and complex reactor design. This review presents a critical overview of recent advances in experimental design and simulation of MEAs for CO2 reduction reaction, including the shortcomings and remedial strategies. In the last section, the remaining challenges and future research opportunities are suggested to support the advancement of CO2 electrochemical technologies.

Original languageEnglish
Pages (from-to)663-692
Number of pages30
JournalChem
Volume8
Issue number3
DOIs
Publication statusPublished - 2022

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • electrochemical CO reduction reaction
  • electrolyzer design
  • gas diffusion electrodes
  • membrane-electrode assemblies

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