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- W4311173754 abstract "The conversion of CO2 into value-added chemicals coupled with the storage of intermittent renewable electricity is attractive. CuO nanosheets with an average size and thickness of ∼ 30 and ∼ 20 nm have been developed, which are in situ reduced into Cu nanosheets during electrochemical CO2 reduction reaction (ECO2RR). The derived Cu nanosheets demonstrate much higher selectivity for C2H4 production than commercial CuO derived Cu powder, with an optimum Faradaic efficiency of 56.2% and a partial current density of C2H4 as large as 171.0 mA cm−2 in a gas diffusion flow cell. The operando attenuated total reflectance-Fourier transform infrared spectra measurements and density functional theory simulations illustrate that the high activity and selectivity of Cu nanosheets originate from the edge sites on Cu nanosheets with a coordinate number around 5 (4–6), which facilitates the formation of *CHO rather than *COH intermediate, meanwhile boosting the C C coupling reaction of *CO and *CHO intermediates, which are the critical steps for C2H4 formation." @default.
- W4311173754 created "2022-12-24" @default.
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- W4311173754 date "2023-04-01" @default.
- W4311173754 modified "2023-10-18" @default.
- W4311173754 title "Achieving highly selective electrochemical CO2 reduction to C2H4 on Cu nanosheets" @default.
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- W4311173754 doi "https://doi.org/10.1016/j.jechem.2022.11.058" @default.
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