Electrochemical conversion of CO2to HCOOH at tin cathode in a pressurized undivided filter-press cell

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Abstract

The electrochemical reduction of carbon dioxide to formic acid was performed for the first time in a pressurized filter-press cell with a continuous recirculation of the electrolytic solution (0.9 L) at a tin cathode. It was shown that the performances of the system are comparable or slightly better than that of a batch system with a smaller volume (0.05 L). The selection of proper values of both current density and CO2pressure allowed to achieve quite high values of faradaic efficiencies. Long-time electrolyses have shown that the system is stable and that it can allow to generate quite high concentrations of HCOOH (about 0.4 M).
Lingua originaleEnglish
pagine (da-a)30-40
Numero di pagine11
RivistaElectrochimica Acta
Volume277
Stato di pubblicazionePublished - 2018

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All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

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