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Electrochemical reduction of CO2 on defect-rich Bi derived from Bi2S3 with enhanced formate selectivity

Abstract

A sulphide-derived bismuth catalyst, synthesised from a one-pot hydrothermal reaction followed by electrochemical reduction, exhibits excellent performance for converting CO2 into formate in an aqueous bicarbonate medium with high activity, selectivity and durability. The maximum faradaic efficiency for formate formation of 84.0 % was achieved at an overpotential of 670 mV. Detailed study reveals that the lattice defects associated with the sulphide-derived derived Bi rather than residual sulphur are likely to engender a positive effect on the catalytic reduction of CO2.

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Publication details

The article was received on 02 Jan 2018, accepted on 05 Feb 2018 and first published on 05 Feb 2018


Article type: Paper
DOI: 10.1039/C8TA00023A
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Electrochemical reduction of CO2 on defect-rich Bi derived from Bi2S3 with enhanced formate selectivity

    Y. Zhang, F. Li, X. Zhang, T. Williams, C. D. Easton, A. Bond and J. Zhang, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA00023A

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