Table 1.
Vanadium ion permeability of pure Nafion and Nafion/SiO2 composite membranes.
| Sample | V Ion Permeability (10−8 cm2/min) | Sample | V Ion Permeability (10−8 cm2/min) | Sample | V Ion Permeability (10−8 cm2/min) |
|---|---|---|---|---|---|
| Pure Nafion | 54.6 | ||||
| 3%@Nafion/ SiO2@240°C |
42.4 | 3%@Nafion/ SiO2@270°C |
36.5 | 3%@Nafion/ SiO2@300°C |
24.3 |
| 5%@Nafion/ SiO2@240°C |
35.7 | 5%@Nafion/ SiO2@270°C |
25.0 | 5%@Nafion/ SiO2@300°C |
19.0 |
| 10%@Nafion/ SiO2@240°C |
52.6 | 10%@Nafion/ SiO2@270°C |
26.1 | 10%@Nafion/ SiO2@300°C |
21.0 |
| 15%@Nafion/ SiO2@240°C |
49.3 | 15%@Nafion/ SiO2@270°C |
39.4 | 15%@Nafion/ SiO2@300°C |
41.1 |