Fig. 3: Ion transport capability assessment of Nafion membrane and Porous membrane.
From: Porous membranes enable selective and stable zero-gap acidic CO2 electrolysers
A The schematic plot of the H cell setup: The two parts which contained 0.25 M Cs2SO4 solution (pH adjusted to 2 using H2SO4) and pure water were separated by either the porous membrane or Nafion membrane. The trends of Cs+ concentration (B) and pH value (C) over time during the diffusion test using Nafion membrane and Porous membrane, respectively. D The installation sketch of MEA electrolyzer for electrolysis. The trends of Cs+ concentration (E) and pH value (F) of the anolyte over time during electrolysis experiment under 100 mA cm−2 using 0.5 M Cs2SO4 (pH adjusted to 2 using H2SO4) for both Nafion membrane and Porous membrane, respectively. Values are means, and error bars indicate standard deviation (n = 3 replicates). Source data are provided as a Source Data file.
