Synthesis and Characterization of New Proton Conducting Hybrid Membranes for Fuel Cells Based on Poly(vinyl alcohol) and Sulfonated Nanoporous Silica

Synthesis and Characterization of New Proton Conducting Hybrid Membranes for Fuel Cells Based on Poly(vinyl alcohol) and Sulfonated Nanoporous Silica abstract

This method has been realized by preparing hybrid membranes containing SO3Hfunctionalized nanoporous Si-SBA-15 as hydrophilic inorganic modifier, glutaraldehyde, GLA, as cross-linking agent in a poly(vinyl alcohol), PVA, matrix. The different hybrid membranes are characterized concerning their thermal stability, water uptake, ATR and proton conductivity. Different PVA-based membranes (PVA, PVA:GLA, PVA:SBA-15 and PVA:GLA:SBA-15) were compared with each other. Compared with the pure PVA membrane, the hybrid membranes containing modified silica displayed lower thermal stability due to role of the modified silica particles as nucleation centers. In addition, the hybrid membranes showed lower water uptake but higher proton conductivity than the corresponding membranes without Si-SBA-15.

Synthesis and Characterization of New Proton Conducting Hybrid Membranes for Fuel Cells Based on Poly(vinyl alcohol) and Sulfonated Nanoporous Silica Keywords:

Hybrid membranes , Sulfonated nanoporous silica , Fuel cells , Poly(vinyl alcohol)

Synthesis and Characterization of New Proton Conducting Hybrid Membranes for Fuel Cells Based on Poly(vinyl alcohol) and Sulfonated Nanoporous Silica authors

Hossein Beydaghi

Department of Chemistry, Amirkabir University of Technology, Tehran, Iran

Mehran Javanbakht

Department of Chemistry, Amirkabir University of Technology, Tehran, Iran Nano Science and Technology Research Center, Amirkabir University of Technology, Tehran, Iran

Hossein Salar Amoli

Faculty of Chemical Engineering, Iranian Research Organisation for Science and Technology, IROST, Tehran, Iran

Alireza Badiei

School of Chemistry, University College of Science, University of Tehran, Tehran, Iran

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https://civilica.com/doc/74585

Document National Code:

PEEL03_018

Index date: 7 August 2009

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Beydaghi, Hossein and Javanbakht, Mehran and , Hossein Salar Amoli and , Alireza Badiei,1388,Synthesis and Characterization of New Proton Conducting Hybrid Membranes for Fuel Cells Based on Poly(vinyl alcohol) and Sulfonated Nanoporous Silica,3rd Fuel Cell Seminar of Iran,Tehran,https://civilica.com/doc/74585

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