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. 2023 Apr 29;6:84. doi: 10.1038/s42004-023-00875-9

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Fig. 7 — a CP for 8 h at −20 mA with 0.3 M [BMIM][SO₃CF₃] in ACN. b CP for 8 h at −60 mA with 0.3 M [BMIM][SO₃CF₃] in ACN. Black line represents the trend of potential at the fixed current value. Continuous and dotted red lines correspond to the CO and H₂ concentrations in the outlet gas, respectively. Set-up: H-cell; WE: Ag foil; catholyte: 0.3 M IL in ACN; CE: Ni mesh; anolyte: 0.1 M KOH.