Figure 3.
Comparison of the time dependent (a) vanadium ion concentrations; (b) permeability; (c) proton conductivities; and (d) ion selectivity of 5%@Nafion/SiO2@240°C, 5%@Nafion/SiO2@270°C, 5%@Nafion/SiO2@300°C and pure Nafion membranes.
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