Research Article
Polybenzimidazole and Phosphonic Acid Groups-Functionalized Polyhedral Oligomeric Silsesquioxane Composite Electrolyte for High Temperature Proton Exchange Membrane
Figure 7
Proton conductivities of PA-doped PBI and PBI/PO(OH)2-POSS membranes with temperature ranging from 100 to 150°C under anhydrous conditions. PA content of the membranes is ca. 50 wt%.