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In this study, polymeric Nafion membrane and inorganic mesoporous silica was used to prepare composite
membranes by using solvent-casting method for PEM fuel cells. Mesoporous silica (SCMS) was doped as 1 and 3 wt.%.
Structural properties of the composite membrane were investigated by Thermogravimetric analysis (TGA), Scanning
electron microscopy (SEM), water uptake and gas permeability tests with pristine Nafion membrane. Results showed that
adding of 1 wt% silica SCMS into Nafion has improved the thermal stability of the structure, increased water uptake
capability of membrane and decreased gas permeability of the structure.
International Symposium on Light Alloys and Composite Materials
UHAKS
Candan Karaeyvaz
Buğçe Özoğul
Berker Fıçıcılar
Feza Geyikçi