Highly selective plasma-activated copper catalysts for carbon dioxide reduction to ethylene
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There is an urgent need to develop technologies that use renewable energy to convert waste products such as carbon dioxide into hydrocarbon fuels. Carbon dioxide can be electrochemically reduced to hydrocarbons over copper catalysts, although higher efficiency is required. We have developed oxidized copper catalysts displaying lower overpotentials for carbon dioxide electroreduction and record selectivity towards ethylene (60%) through facile and tunable plasma treatments. Herein we provide insight into the improved performance of these catalysts by combining electrochemical measurements with microscopic and spectroscopic characterization techniques. Operando X-ray absorption spectroscopy and cross-sectional scanning transmission electron microscopy show that copper oxides are surprisingly resistant to reduction and copper + species remain on the surface during the reaction. Our results demonstrate that the roughness of oxide-derived copper catalysts plays only a partial role in determining the catalytic performance, while the presence of copper + is key for lowering the onset potential and enhancing ethylene selectivity.
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Jia et al. reported an electrodeposited Cu-Au alloy (Cu63.9Au36.1), which exhibited an alcohol selectivity of 28% in contrast to 5% on the bulk Cu catalyst.
“Jia et al. reported an electrodeposited Cu-Au alloy (Cu63.9Au36.1),which exhibited an alcohol selectivity of 28% in contrast to 5% on the bulk Cu catalyst.[116]”
From Electrochemical CO <sub>2</sub> Reduction into Chemical Feedstocks: From Mechanistic Electrocatalysis Models to System Design (2019) · cites this paper as [116]
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- Authors
- Mistry, H., Varela, A. S., Bonifacio, C. S., Zegkinoglou, I., Sinev, I., Choi, Y.-W., Kisslinger, K., Stach, E. A., Yang, J. C., Strasser, P., & Cuenya, B. R.
- Affiliations
- University of Central Florida (US)
- University of Pittsburgh (US)
- Ruhr University Bochum (DE)
- Brookhaven National Laboratory (US)
- Technische Universität Berlin (DE)
- ORCID
- Venue
- Nature Communications
- Published
- 2016-06-30
- Volume
- 7
- Issue
- 1
- Pages
- 12123-12123
- ISSN
- 2041-1723 (ISSN-L)
- PMC
- PMC4931497
- OpenAlex
- W2470552650
- Cited by
- 1,214
- References
- 51
- Citations by year
- 2026: 44 · 2025: 95 · 2024: 118 · 2023: 133 · 2022: 163 · 2021: 173 · 2020: 176 · 2019: 115 · 2018: 109 · 2017: 76 · 2016: 11
- FWCI
- 28.15
- Type
- journal article
- Language
- en
- Update notices
- correction (2016-09-12)
- Open access
- gold
- doi.org
- Locations
- Nature Communications (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion, cc-by)
- MPG.PuRe (Max Planck Society) (submittedVersion, cc-by)
- Journal of International Crisis and Risk Communication Research (submittedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- Funders
- National Science Foundation (DEAC02-05CH11231, 1207065, 1534630, 1213182, DE-SC0012704)
- U.S. Department of Energy (-AC02-05CH11231, Contract No. DE-AC02-05-CH11231, FG02-03ER15476, DE‐FG02‐, DE‐SC0012704, 05CH11231, No. DE-AC02-05-CH11231, DE AC02 05CH11231, DEFG0203ER15476, Contract No: DESC0012704, DEFG0208ER15995, No. DE-SC0012704, SC0012704., FG02-08ER15995, DESC0012653, DE-AC02-)
- University of Texas at Austin
- Deutsche Forschungsgemeinschaft (DE-AC02-05CH11231, EXC 1069)
- Bundesministerium für Bildung und Forschung (03SF0523, DE-SC0012704, CO2EKAT, EXC 1069, DE-AC02-05CH11231)
- Office of Science (No. DE-AC02- 05-CH11231, DE-SC-0012704, No. DE-SC0012704, DEFG0203ER15476, DEAC02–05CH11231, AC02-05CH11231, DE-AC02, 05CH11231, Contract No. DE-SC0012704, SC0012704, Contract No. DE-AC02-05CH11231)
- Division of Materials Research (1207065)
- Division of Chemistry (1213182, 1534630, CHE-1534630, DE-AC02-05CH11231)
- Basic Energy Sciences (Contract No. DE-SC0012704, DE-AC02, Contract No. DE-AC02-05-CH11231, DE- SC0012704, DE-AC02-05CH11231., DE‐SC0012653, No. DE-SC0012704, DE- FG02-08ER15995, DE-FG02, No. DE-AC02-05-CH11231, AC02–05CH11231, SC0012704, DE- FG02-03ER15476)
- Brookhaven National Laboratory (SC0012704, DE-AC02-05CH11231, No. DE-SC0012704, DE- SC0012704, Contract No. DE-SC0012704, DE-SC0012653)
- Lawrence Berkeley National Laboratory (AC02‐05CH11231, DE-AC02-05CH11231, DE-SC0012704, No. DE-AC02-05CH11231, Contract No. DE-AC02-05CH11231, 05CH11231)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Chemical Engineering › Catalysis › Catalysts for Methane Reforming
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Keywords
- carbon dioxide electroreduction, ethylene selectivity, copper catalysts, plasma treatment, copper oxide, copper(I) species, overpotential, operando X-ray absorption spectroscopy, scanning transmission electron microscopy, renewable fuels
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