Table 3 Comparison of ethanol permeability, ionic conductivity, and selectivity factor for the PVA-based membrane in passive DEFC
Membrane | Types of membrane | Ethanol permeability, cm2 S−1 | Ionic conductivity, S cm−1 | Selectivity, S s cm−3 | Power density, mW cm−2 | Reference |
---|---|---|---|---|---|---|
Nafion®117 | PEM | – | – | – | 1.33 | [5] |
PVA/TiO2 | AEM | 2.81 × 10−7 | 0.048 | 17.08 × 104 | 8.00 | [14] |
PVA/HPW/DTPA | PEM | 2.39 × 10−7 | 0.0053 | 2.21 × 104 | – | [50] |
PVA/GO | PEM | 1.75 × 10−7 | 0.009 | 5.59 × 104 | 5.84 | [64] |
PVA/HAP | AEM | – | 0.044 | – | 10.74 | [65] |
QPVA | AEM | 8.703 × 10−7 | 0.0073 | 0.83 × 104 | 5.88 | This study |
QPVA/GO (30 °C) | AEM | 1.48 × 10−7 | 0.017 | 11.48 × 104 | 9.1 | This study |
QPVA/GO (60 °C) | AEM | 3.65 × 10−7 | 0.0624 | 17.09 × 104 | 11.4 | This study |
Nafion®117/KOH | AEM | 1.15 × 10−6 | 0.089 | 7.69 × 104 | 7.68 | This study |