Table 3.
Sulfonate polysulfone and its composites for DMFCs.
| Membrane | Membrane Characteristics | Fuel Cell Performance | Ref. | |||||
|---|---|---|---|---|---|---|---|---|
| WA (%) | IEC (meq.g−1) |
Ionic Conductivity (S cm−1) |
Methanol Permeability (cm2 s−1) |
Selectivity Ratio (sS cm−3) |
Oxidative Stability | |||
| SPSU/LDH nanocomposite | 29 | 1.49 | 0.102 @ 120 °C | 116 mA cm−2 | --- | --- | OCV: 0.82 V; PD: 150 mW cm−2 @ 80 °C in 5 M CH3OH | [105] |
| Amino-acid functionalized cellulose whiskers/SPSU | 68 | --- | 0.234 @ 80 °C | 7.6 × 10−7 | --- | --- | OCV: 0.73 V; PD: 73.757 mW cm−2 @ 60 °C in 2 M CH3OH | [106] |
| SPSU/ZrP | 38 | --- | 0.156 @ 80 °C | --- | --- | 96.66% of weight retention after Fenton test | OCV: 0.75 V; PD: 119 mW cm−2 @ 80 °C | [107] |
| Sulfonated ZSM-5/SPSU | 45.41 | 1.03 | 0.00965 @ RT | 2.24 × 10−6 | 4309.03 | --- | --- | [108] |
| SPSU/SPEEK | 34 | --- | 0.073 @ 120 °C | --- | --- | --- | OCV: 0.81 V; PD: 130 mW cm−2 @ 80 °C in 4 M CH3OH | [109] |
| PD-CNT/SPSU composite | 32 | --- | 0.1216 @ 80 °C | 5.68 × 10−7 | --- | --- | --- | [110] |