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.

MembraneADC %Swelling in area %Swelling in volume %

PEI-ER(1 : 2)/PBI101.927.048.2
PEI-ER(2 : 3)/PBI134.762.168.6
PEI-ER(1 : 1)/PBI169.677.874.7
PEI-ER(3 : 2)/PBI272.188.7116
PEI-ER(2 : 1)/PBI302.4107121