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Hybrid Membranes Based on Aromatic Polymer Blends for Fuel Cell Applications

Published online by Cambridge University Press:  01 February 2011

Catia de Bonis ,
Alessandra D'Epifanio ,
Barbara Mecheri ,
Maria Luisa Di Vona ,
Marcella Trombetta ,
Enrico Traversa  and
Silvia Licoccia
Catia de Bonis
Affiliation:
[email protected], University of Rome "Tor Vergata", Chemical Science and Technology, Rome, Italy
Alessandra D'Epifanio
Affiliation:
[email protected], University of Rome "Tor Vergata", Chemical Science and Technology, Rome, Italy
Barbara Mecheri
Affiliation:
[email protected], University of Rome "Tor Vergata", Chemical Science and Technology, Rome, Italy
Maria Luisa Di Vona
Affiliation:
[email protected], University of Rome "Tor Vergata", Chemical Science and Technology, Rome, Italy
Marcella Trombetta
Affiliation:
[email protected], Università "Campus Bio-Medico", CIR, Rome, Italy
Enrico Traversa
Affiliation:
[email protected], University of Rome "Tor Vergata", Chemical Science and Technology, Rome, Italy
Silvia Licoccia
Affiliation:
[email protected], University of Rome "Tor Vergata", Chemical Science and Technology, Rome, Italy
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Abstract

Blend membranes based on sulfonated polyetheretherketone (SPEEK) and containing 5 wt.% of silylated and sulfonated polyphenylsulfone (SiSPPSU) were prepared and characterized by attenuated total reflectance Fourier transform infrared spectroscopy (ATR/FTIR) and by electrochemical impedance spectroscopy (EIS). Tests in a direct methanol fuel cell station were also performed. The experimental results demonstrated that the presence of hybrid polymer SiSPPSU allowed to increase the proton conductivity of electrolyte and to improve its performance under fuel cell operating conditions. Due to its satisfactory properties, SPEEK/ SiSPPSU blend membrane has a potential use in DMFCs operating at intermediate temperatures.

Keywords

blendenergy generationpolymer
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1126: Symposium S – Solid-State Ionics–2008 , 2008 , 1126-S12-04
Copyright
Copyright © Materials Research Society 2009

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References

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