Research Article
Semi-interpenetrating Network Membrane from Polyethyleneimine-Epoxy Resin and Polybenzimidazole for HT-PEM Fuel Cells
Table 1
Acid doping content (ADC) and swelling rate of different semi-IPN membranes.
| Membrane | ADC % | Swelling in area % | Swelling in volume % |
| PEI-ER(1 : 2)/PBI | 101.9 | 27.0 | 48.2 | PEI-ER(2 : 3)/PBI | 134.7 | 62.1 | 68.6 | PEI-ER(1 : 1)/PBI | 169.6 | 77.8 | 74.7 | PEI-ER(3 : 2)/PBI | 272.1 | 88.7 | 116 | PEI-ER(2 : 1)/PBI | 302.4 | 107 | 121 |
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