IEC values and OH− conductivities of the membranes in this work and in the literature.
| Membrane | Ionic group | IEC (mmol g−1) | Temp (°C) | Conductivity (10−3 S cm−1) | Ref. |
|---|---|---|---|---|---|
| [Nbmd][OH]40–QCS | QAa | 1.93 | 30 | 5.8 | This work |
| c6PAES-4IM-2.2 | Imidazolium | 2.20 | 20 | 3.8 | 49 |
| c6PAES-NIM-1.9 | Imidazolium | 1.8 | 20 | 2.1 | 49 |
| c6PAES-QA-2.0 | QA | 1.9 | 20 | 1.6 | 49 |
| QPVA/5 wt%GA | QA | 0.41 | 30 | 1.2 | 50 |
| CS/C4-QPSS-6 | QA | 0.53 | 20 | 3.78 | 51 |
| QPAE | QA | 0.87 | 20 | 5.6 | 52 |
| Quaternized poly (ether-imide) | QA | 0.98 | 30 | 2.3 | 52 |
| Cardo polyetherketone | QATMAb | 0.11 | 20 | 1.6 | 53 |
| Polystyrene (ethylenebutylenes) polystyrene | QATEA | 0.57 | 30 | 0.69 | 54 |
a
QA refers to quaternary ammonium.
b
QATMA refers to TMA-based quaternary ammonium.