| 초록 |
Reinforcement by porous support has been considered one of the most effective methods to enhance mechanical strength and fuel cell performance of ion exchange membranes. Reinforced architecture is expected to provide mechanical strength as well as dimensional stability during fuel cell operation at high temperature. Final properties and qualities of composite membranes strongly depends on how well electrolyte impregnated into the porous substrate. However, the relationships between final composite membranes and condition for preparation are not established sufficiently clear. Herein, we report important factors and variables for the optimum preparing methods of reinforced composite membranes. Nafion, polytetrafluoroethylene, sulfonated poly(arylene ether sulfone) and polyethylene were selected to investigate a relationship between electrolytes and porous substrates. After the preparation of reinforced composite membranes, morphology, turbidity, and conductivity of composite membranes was examined. |
