The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Mixed Copper States in Anodized Cu Electrocatalyst for Stable and Selective Ethylene Production from CO2 Reduction
Abstract
Oxygen–Cu (O–Cu) combination catalysts have recently achieved highly improved selectivity for ethylene production from the electrochemical CO 2 reduction reaction (CO 2 RR). In this study, we developed anodized copper (AN-Cu) Cu(OH) 2 catalysts by a simple electrochemical synthesis method and achieved ∼40% Faradaic efficiency for ethylene production, and high stability over 40 h. Notably, the initial reduction conditions applied to AN-Cu were critical to achieving selective and stable ethylene production activity from the CO 2 RR, as the initial reduction condition affects the structures and chemical states, crucial for highly selective and stable ethylene production over methane. A highly negative reduction potential produced a catalyst maintaining long-term stability for the selective production of ethylene over methane, and a small amount of Cu(OH) 2 was still observed on the catalyst surface. Meanwhile, when a mild reduction condition was applied to the AN-Cu, the Cu(OH) 2 crystal structure and mixed states disappeared on the catalyst, becoming more favorable to methane production after few hours. These results show the selectivity of ethylene to methane in O–Cu combination catalysts is influenced by the electrochemical reduction environment related to the mixed valences. This will provide new strategies to improve durability of O–Cu combination catalysts for C–C coupling products from electrochemical CO 2 conversion.
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Cites
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Subsurface Oxygen in Oxide-Derived Copper Electrocatalysts for Carbon Dioxide Reduction
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Cited by
Progress and perspectives of electrochemical CO2 reduction on copper in aqueous electrolyte
Nitopi, S., Bertheussen, E., Scott, S. B., Liu, X., Engstfeld, A. K., Horch, S., Seger, B., Stephens, I. E. L., Chan, K., Hahn, C., et al. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00705 · Cited by 5,223
Industrial carbon dioxide capture and utilization: state of the art and future challenges
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Electrocatalysis for CO 2 conversion: from fundamentals to value-added products
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Yang, P.-P., Zhang, X.-L., Gao, F.-Y., Zheng, Y.-R., Niu, Z.-Z., Yu, X., Liu, R., Wu, Z.-Z., Qin, S., Chi, L.-P., et al. (2020) · Journal of the American Chemical Society · doi:10.1021/jacs.0c01699 · Cited by 709
Wang, W., Deng, C., Xie, S., Li, Y., Zhang, W., Sheng, H., Chen, C., & Zhao, J. (2021) · Journal of the American Chemical Society · doi:10.1021/jacs.1c00206 · Cited by 523
Metadata
- Authors
- Lee, S. Y., Jung, H., Kim, N.-K., Oh, H.-S., Min, B. K., & Hwang, Y. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-06-18
- Volume
- 140
- Issue
- 28
- Pages
- 8681-8689
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2808940939
- Cited by
- 558
- References
- 13
- FWCI
- 11.25
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lee, S. Y., Jung, H., Kim, N.-K., Oh, H.-S., Min, B. K., & Hwang, Y. J. (2018). Mixed Copper States in Anodized Cu Electrocatalyst for Stable and Selective Ethylene Production from CO2 Reduction. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.8b02173
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