Fig. 6: Translating reaction into flow system towards high current densities.
From: CoOx clusters-decorated IrO2 electrocatalyst activates NO3- mediator for benzylic C-H activation
Comparison of the partial current density, Faradaic efficiency, yield, selectivity, overall conversion rate and product generation rate against state-of-art a electrochemical toluene-to-benzaldehyde conversions20,28, and b electrochemical ethylbenzene-to-acetophenone conversions15,29. c Schematic of flow cell setup that conducts anodic toluene oxidation and cathodic HER. d Faradaic efficiencies of partial toluene-to-benzaldehyde conversion at different current densities with and without the addition of HFIP. The reaction in flow was conducted in a 3-compartment flow cell system. 340 µL toluene (or ethylbenzene or 4-chlorotoluene) was dissolved in 25 mL of anolyte comprising 0.1 M LiBF4 and 0.06 M LiNO3 in pure acetonitrile solvent or 4:1 acetonitrile:HFIP mixture. The catholyte was 0.1 M LiBF4 aqueous solution. The flow rate was 60 mL/s. All error bars represent standard deviation based on three independent samples. e Breakdown of costs at current densities of 20 and 200 mA/cm2, as calculated by TEA. Source data for Fig. 2a-b, d and e are provided as a Source Data file.
