10.1007/s40097-014-0097-y

Cross-linked poly(vinyl alcohol)/sulfonated nanoporous silica hybrid membranes for proton exchange membrane fuel cell

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  • Hossein Beydaghi1,
  • Mehran Javanbakht*1,
  • Alireza Badiei2,
  1. Department of Chemistry, Amirkabir University of Technology, Tehran, IR
  2. School of Chemistry, College of Science, University of Tehran, Tehran, IR
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Published in Issue 29-04-2014

How to Cite

Beydaghi, H., Javanbakht, M., & Badiei, A. (2014). Cross-linked poly(vinyl alcohol)/sulfonated nanoporous silica hybrid membranes for proton exchange membrane fuel cell. Journal of Nanostructure in Chemistry, 4(2 (June 2014). https://doi.org/10.1007/s40097-014-0097-y
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Abstract

Abstract Organic–inorganic nanocomposite membranes of poly(vinyl alcohol) (PVA) and nanoporous silica containing sulfonic acid groups are synthesized in order to increase the proton conductivity, water retention and thermal stability of membrane. The cross-linked PVA/SBA-15-propyl-SO 3 H nanocomposite membrane was prepared by solution casting method. Infrared spectroscopy and scanning electron microscopy are used to characterize and confirm the structure of PVA and the cross-linked membranes. The impedance spectroscopy, water uptake and thermal stability of membranes are investigated to confirm their applicability in fuel cells. It was found that the cross-linked PVA/SBA-15-propyl-SO 3 H nanocomposite membrane appears to be a good candidate for using in PEM fuel cell.

Keywords

  • Nanocomposite membrane,
  • Sulfonated nanoporous silica,
  • Proton conductivity,
  • Fuel cell,
  • poly(vinyl alcohol)
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