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Issue 13, 2016
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Bifunctional alloys for the electroreduction of CO2 and CO

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We use density functional theory to study the reduction of CO2 and CO to hydrocarbons through a formyl pathway on (111) and (211) facets of L12 alloys with an A3B composition. We find that several alloys may reduce the thermodynamic overpotential for CO reduction by more than 0.2 V compared to a copper step, however, these alloys are most often rather unstable in aqueous environment or have low alloy formation energies and may be susceptible to segregation destroying the active sites. Strategies to improve alloy stability against corrosion or segregation would likely be needed in order to realize the full potential of these alloys.

Graphical abstract: Bifunctional alloys for the electroreduction of CO2 and CO

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Publication details

The article was received on 14 Dec 2015, accepted on 05 Mar 2016 and first published on 07 Mar 2016

Article type: Paper
DOI: 10.1039/C5CP07717F
Citation: Phys. Chem. Chem. Phys., 2016,18, 9194-9201
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    Bifunctional alloys for the electroreduction of CO2 and CO

    H. A. Hansen, C. Shi, A. C. Lausche, A. A. Peterson and J. K. Nørskov, Phys. Chem. Chem. Phys., 2016, 18, 9194
    DOI: 10.1039/C5CP07717F

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