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A TiO2-Nafion nanocomposite electrode can electrocatalytically convert carbon dioxide and nitrate ions to urea under ambient conditions with a Faradaic efficiency of 40%. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

August 23, 2017ChemSusChem145 citations

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Electrocatalytic Conversion of Carbon Dioxide and Nitrate Ions to Urea by a Titania–Nafion Composite Electrode

DSDuraisamy SaravanakumarVellore Institute of Technology University JSJieun SongCity Of Hope National Medical Center SLSunhye LeeSun Moon University

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Abstract

Abstract CO 2 and nitrate ions were successfully converted to urea by a TiO 2 –Nafion nanocomposite electrode under ambient conditions. The composite electrode was constructed by dropcasting the mixture of P25 titania and Nafion solution on an indium‐doped tin oxide (ITO) electrode. When the electrode was electrolyzed in CO 2 ‐saturated 0.1 m KNO 3 (pH 4.5) solution at −0.98 V versus Ag/AgCl, urea was formed with a Faradaic efficiency of 40 %. The other reduced products obtained were NH 3 , CO, and H 2 .

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Saravanakumar et al. (Wed,) studied this question.

synapsesocial.com/papers/6a62a0e30582df600cc3cf17 https://doi.org/https://doi.org/10.1002/cssc.201701448

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