articleNature EnergySep 11, 2024HYBRID OA

Key intermediates and Cu active sites for CO2 electroreduction to ethylene and ethanol

CZChao ZhanFDFederico DattilaCRClara RettenmaierAHAntonia HerzogMHMatías Herran

Fritz Haber Institute of the Max Planck Society · Politecnico di Torino · +1 more institution

PubMed
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Abstract

Abstract Electrochemical reduction of CO 2 (CO 2 RR) to multi-carbon products is a promising technology to store intermittent renewable electricity into high-added-value chemicals and close the carbon cycle. Its industrial scalability requires electrocatalysts to be highly selective to certain products, such as ethylene or ethanol. However, a substantial knowledge gap prevents the design of tailor-made materials, as the properties ruling the catalyst selectivity remain elusive. Here we combined in situ surface-enhanced Raman spectroscopy and density functional theory on Cu electrocatalysts to unveil the reaction scheme for CO 2 RR to C 2+ products. Ethylene generation occurs when *OC–CO(H) dimers form via CO…

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240
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22.35
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100%
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Authors

10

Topics & keywords

Topics
Keywords
  • Catalysis
  • Ethylene
  • Raman spectroscopy
  • Electrochemistry
  • Selectivity
  • Chemistry
  • Ethanol
  • Materials science
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