Effect of Halide Anions on Electrochemical CO₂ Reduction in Non-Aqueous Choline Solutions using Ag and Au Electrodes.

ABSTRACT: In this study, the effect of halide anions on the selectivity of the CO₂ reduction reaction to CO was investigated in choline-based ethylene glycol solutions containing different halides (ChCl : EG, ChBr : EG, ChI : EG). The CO₂RR was studied using silver (Ag) and gold (Au) electrodes in a compact H-cell. Our findings reveal that chloride effectively suppresses the hydrogen evolution reaction and enhances the selectivity of carbon monoxide production on both Ag and Au electrodes, with relatively high selectivity values of 84 % and 62 %, respectively. Additionally, the effect of varying ethylene glycol content in the choline chloride-containing electrolyte (ChCl : EG 1 : X, X=2, 3, 4) was investigated to improve the current density during CO₂RR on the Ag ele

SUBMITTER: Farahmandazad H 

PROVIDER: S-EPMC11564868 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature