The development of polymer electrolyte membranes that can withstand high temperatures is one of the most important steps towards the widespread implementation of fuel cells. In this project, eight new composite membranes were developed using the industry standard Nafion? as a base and adding inorganic molecules like zirconium, titanium, and silica. The thermomechanical properties of these membranes were analyzed using dynamic mechanical analysis (DMA), differential scanning calorimetry (DSC), attenuated total reflectance infrared spectroscopy (ATR-IR), and thermogravimetric analysis (TGA). Many of the substituted membranes showed higher glass transition temperatures, Young's moduli, and degradation temperatures.
Worcester Polytechnic Institute
Major Qualifying Project
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