Impact of SiO₂ Modification on the Performance of Nafion Composite Membrane

Figure 4

SEM images of cross-sections of Nafion composite membranes and EDS mapping of Si element: Nafion/SiO₂30°C (a), Nafion/SiO₂3°C-3 (b), and Nafion/SiO₂3°C-5 (c).