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1110852 
Journal Article 
Preparation and Characterization of the Impregnation to Porous Membranes with PVA/PSSA-MA for Fuel Cell Applications 
Lee, BS; Jung, SK; Rhim, JW 
2011 
35 
4 
296-301 
WOS:000293986900004 
This study focuses on the investigation of the impregnation of poly(vinyl alcohol) (PVA) crosslinked with poly (styrene sulfonic acid-co-maleic acid) (PSSA-MA) to porous polyethylene membrane for the fuel cell application. The membranes were characterized by the measurements of the water content, contact angle. FTIR spectra, thermal gravimetric analysis, ion exchange capacity, proton conductivity, methanol permeability and elastic modulus. The existence of hydrophilic moieties in the impregnated membranes was confirmed by contact angle and FTIR measurements. The impregnated PVA/PSSA-MA(90:10) membrane exhibited a higher ion exchange capacity (1.2 meq./g dry membrane) than Nation membrane (0.91 meq./g dry membrane). Through the elastic modulus measurement, the dimensional stability of the resulting membranes was expected to increase higher than the polyethylene membranes. The methanol crossover and water content decreased even if the PSSA- MA content increased due to the reduction of the free volume. 
impregnation; poly(vinyl alcohol); poly(styrene sulfonic acid-co-maleic acid); polymer electrolyte membrane; methanol crossover 
IRIS
• Methanol (Non-Cancer)
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