International Journal of Energy Engineering          
International Journal of Energy Engineering(IJEE)
Frequency: Yearly
Editor-in-Chief: Prof. Sri Bandyopadhyay(Australia)
Proton-Conducting Composite Membranes Based on Sulfonated Poly(ether sulfone) and Surface-Modified Tin Phosphate
Full Paper(PDF, 253KB)
Organic/inorganic composite membranes were prepared by dispersing m-sulfophenyl-group-modified layered tin phosphate hydrate particles (SnPP-SPP) or nanosheets (SnPNS-SPP) in sulfonated poly(ether sulfone) (SPES). The chemical stabilities, as evaluated by Fourier-transform infrared spectroscopy and water-uptake measurements, were improved by dispersion of SnPP-SPP or SnPNS-SPP into the SPES matrix. The proton-conducting properties of the composite membranes were improved by the sulfophenyl group modification; among the composite membranes, the membrane containing 10 vol% SnPNS-SPP showed the highest conduc-tivity of 8.0 × 10−2 S cm−1 at 150 °C under saturated water-vapor pressure.
Keywords:Organic/Inorganic Nanocomposite; Proton Conductors; Fuel Cell
Author: Shoichi Sugata1, Shinya Suzuki1, Masaru Miyayama1
1.School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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