Journal
ACS CATALYSIS
Volume 4, Issue 9, Pages 3091-3095Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs500522g
Keywords
CO2 reduction; copper foam; formic acid; nanoporous; confinement effects
Categories
Funding
- Center for the Capture and Conversion of CO2, a Center for Chemical Innovation - National Science Foundation [CHE-1240020]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1240020] Funding Source: National Science Foundation
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We report the electrochemical reduction of CO2 at copper foams with hierarchical porosity. We show that both the distribution of products formed from this reaction and their faradaic efficiencies differ significantly from those obtained at smooth electropolished copper electrodes. We attribute these differences to be due to high surface roughness, hierarchical porosity, and confinement of reactive species. We provide preliminary evidence in support of these claims.
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