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Preparation Of Highly Sulfonated Ultra-Thin Proton-Exchange Polymer Membranes For Proton Exchange Membrane Fuel Cells

Author

Listed:
  • ZHONGQING JIANG

    (Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031 Anhui, P. R. China)

  • YUEDONG MENG

    (Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031 Anhui, P. R. China)

  • ZHONG-JIE JIANG

    (Department of Physical Chemistry, Chemnitz University of Technology, 62 Strasse der Nationen, Chemnitz D-09111, Germany)

  • YICAI SHI

    (Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031 Anhui, P. R. China)

Abstract

Sulfonated ultra-thin proton-exchange polymer membrane carrying pyridine groups was made from a plasma polymerization of styrene, 2-vinylpyridine, and trifluoromethanesulfonic acid by after-glow capacitively coupled discharge technique. Pyridine groups tethered to the polymer backbone acts as a medium through the basic nitrogen for transfer of protons between the sulfonic acid groups of proton exchange membrane. It shows that the method using present technology could effectively depress the degradation of monomers during the plasma polymerization. Spectroscopic analyses reveal that the obtained membranes are highly functionalized with proton exchange groups and have higher proton conductivity. Thus, the membranes are expected to be used in direct methanol fuel cells.

Suggested Citation

  • Zhongqing Jiang & Yuedong Meng & Zhong-Jie Jiang & Yicai Shi, 2009. "Preparation Of Highly Sulfonated Ultra-Thin Proton-Exchange Polymer Membranes For Proton Exchange Membrane Fuel Cells," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 16(02), pages 297-302.
    • Handle: RePEc:wsi:srlxxx:v:16:y:2009:i:02:n:s0218625x09012627
    DOI: 10.1142/S0218625X09012627
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