Chen, Zhangsen, Zhang, Lei, Sun, Shuhui et Zhang, Gaixia.
2025.
« Electrochemical cell designs for efficient carbon dioxide reduction and water electrolysis: Status and perspectives ».
Advanced Materials.
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Résumé
Integrating renewable electricity and concentrated CO2 from direct air capture, electrochemical CO2 reduction reactions (eCO2RR) offer a promising pathway for converting CO2 into fuel chemicals, enabling the closure of the carbon loop in a sustainable manner. The clean H2 produced via the hydrogen evolution reaction (HER) during water electrolysis can replace traditional fossil fuels without additional CO2 emissions. Achieving large-scale and high-efficiency eCO2RR and HER requires the development of rational electrolyzer designs, which are crucial for industrial implementation. This review examines recent innovations in system designs for eCO2RR, HER, and the latest advances in in situ cell designs for operando characterization during electrochemical reactions. It focuses on cell improvements in flow patterns, membrane electrode assemblies, and electrolyte engineering to maximize catalytic activities at the industrial level. Besides, the review discusses optimizing counter-anodic reactions to improve the energy efficiency of eCO2RR and water electrolysis, offering insights into the design of catalytic systems with efficient energy utilization. Furthermore, it explores the integration of eCO2RR and HER with other electrochemical systems (e.g., fuel cells), highlighting their potential role in the decarbonization of future industrial processes. Finally, the summary, challenge, and outlook on the industrial-scale eCO2RR and water electrolysis system designs are concluded.
| Type de document: | Article publié dans une revue, révisé par les pairs |
|---|---|
| Professeur: | Professeur Zhang, Gaixia |
| Affiliation: | Génie électrique |
| Date de dépôt: | 30 juin 2025 20:33 |
| Dernière modification: | 19 sept. 2025 20:33 |
| URI: | https://espace2.etsmtl.ca/id/eprint/31073 |
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