Selectivity of CO2 Reduction on Copper Electrodes: The Role of the Kinetics of Elementary Steps
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- 23 January 2013
- journal article
- research article
- Published by Wiley in Angewandte Chemie International Edition
- Vol. 52 (9), 2459-2462
- https://doi.org/10.1002/anie.201208320
Abstract
On the right path: Based on DFT calculations (incorporating the role of water solvation) of the activation barriers of elementary steps, a new path that leads to methane and ethylene for CO2 electroreduction on Cu(111) was identified. Methane formation proceeds through reduction of CO to COH (path II, see picture), which leads to CHx species that can produce both methane and ethylene, as observed experimentally.Keywords
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