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September 10, 2025Journal of the American Chemical SocietyOpen Access

Cation Dehydration by Surface-Grafted Phenyl Groups for Enhanced C2+ Production in Cu-Catalyzed Electrochemical CO2 Reduction

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Authors

MCMiyeon ChangSYSuhwan YooWMWenchao Ma

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Overview

This study shows improved C2+ product yield in electrocatalysis, highlighting the impact of surface-grafted phenyl groups.

Key Points

  • C2+ production increased by 6-fold and ethylene production by 7-fold in Cu-catalyzed CO2 reduction, leading to significant efficiency gains.
  • Producing C2+ products reached -760 mA cm-2, while ethylene levels peaked at -530 mA cm-2, indicating successful intervention.
  • Mechanistic insights were gained through in situ infrared imaging and electrochemical impedance spectroscopy techniques.
  • The findings underscore the importance of cation interaction with water structure at the electrode surface for optimizing CO2 reduction.

Cite This Study

Chang et al. (2025) studied this question.

synapsesocial.com/papers/68c198b59b7b07f3a061a09fhttps://doi.org/10.1021/jacs.5c11313
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