Table 1.
Physicochemical parameters with varying blend ratios (“QP/A series”).
| Membranes | σ (g/g) | v (g/g) | δ (μm) | S.D. (%) | IEC (mmol/g)a | FCD (mmol/g H2O) | ε | λ |
|---|---|---|---|---|---|---|---|---|
| QP/A-01 | 0.1 | 0.5 | 67 | 20.09 | 1.33 | 6.62 | 0.28 | 8.39 |
| QP/A-02 | 0.2 | 0.5 | 91 | 33.81 | 1.7 | 5.03 | 0.40 | 11.05 |
| QP/A-03 | 0.3 | 0.5 | 77 | 43.42 | 1.71 | 3.94 | 0.46 | 14.11 |
| QP/A-04 | 0.4 | 0.5 | 115 | 49.27 | 1.76 | 3.57 | 0.49 | 15.55 |
| QP/A-05 | 0.5 | 0.5 | 126 | 53.63 | 1.75 | 3.26 | 0.51 | 17.03 |
| QP/A-06 | 0.6 | 0.5 | 133 | 60.91 | 1.76 | 2.89 | 0.54 | 19.23 |
| QP/A-07 | 0.7 | 0.5 | 154 | 65.04 | 1.80 | 2.77 | 0.56 | 20.07 |
| QP/A-08 | 0.8 | 0.5 | 178 | 72.71 | 1.83 | 2.52 | 0.59 | 22.07 |
| QP/A-09 | 0.9 | 0.5 | 164 | 76.61 | 1.86 | 2.43 | 0.60 | 22.88 |
a
Dry membrane base-weight, for all PAN/QPECH AEMs equal to 1.945 g/cm2 average.