Proceedings of the Polymer Society of Korea Conference (한국고분자학회:학술대회논문집)

The Polymer Society of Korea (한국고분자학회)
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Polymer Materials for Polymer Electrolyte Fuel Cells: Sulfonated Poly(ether sulfone)s for Fuel Cell Membranes

  • Kim, H.J. (Fuel Cell Research Center Korea Institute of Science and Technology) ;
  • Lee, S.Y. (Fuel Cell Research Center Korea Institute of Science and Technology) ;
  • Cho, E. (Fuel Cell Research Center Korea Institute of Science and Technology) ;
  • Ha, H.Y. (Fuel Cell Research Center Korea Institute of Science and Technology) ;
  • Oh, I.H. (Fuel Cell Research Center Korea Institute of Science and Technology) ;
  • Lim, T.H. (Fuel Cell Research Center Korea Institute of Science and Technology)
  • Published : 2006.10.13
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Abstract

The performances of proton exchange membrane fuel cell (PEMFC), direct formic acid fuel cell (DFAFC) and direct methanol fuel cell (DMFC) with sulfonated poly(ether sulfone) membrane are reported. Pt/C was coated on the membrane directly to fabricate a MEA for PEMFC operation. A single cell test was carried out using $H_2/air$ gases as fuel and oxidant. A current density of $730\;mA/cm^2$ at 0.60 V was obtained at $70^{\circ}C$. Pt-Ru (anode) and Pt (cathode) were coated on the membrane for DMFC operations. It produced $83\;mW/cm^2$ of maximum power density. The sulfonated poly(ether sulfone) membrane was also used for DFAFC operation under several different conditions. It showed good cell performances for several different kinds of polymer electrolyte fuel cell applications.

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