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Properties of Composite Membranes of SPEEK and Nanodiamond

Published online by Cambridge University Press:  07 February 2012

Hongying Hou ,
Brunella Maranesi ,
Mustapha Khadhraoui ,
Philippe Knauth ,
Riccardo Polini  and
M. Luisa Di Vona
Hongying Hou
Affiliation:
LCP-MADIREL, Aix-Marseille Univ - CNRS, 13397 Marseille, France
Brunella Maranesi
Affiliation:
LCP-MADIREL, Aix-Marseille Univ - CNRS, 13397 Marseille, France Dip.Scienze Tecnologie Chimiche, Univ Roma Tor Vergata, 00133 Roma, Italy.
Mustapha Khadhraoui
Affiliation:
LCP-MADIREL, Aix-Marseille Univ - CNRS, 13397 Marseille, France
Philippe Knauth
Affiliation:
LCP-MADIREL, Aix-Marseille Univ - CNRS, 13397 Marseille, France
Riccardo Polini
Affiliation:
Dip.Scienze Tecnologie Chimiche, Univ Roma Tor Vergata, 00133 Roma, Italy.
M. Luisa Di Vona
Affiliation:
Dip.Scienze Tecnologie Chimiche, Univ Roma Tor Vergata, 00133 Roma, Italy.
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Abstract

The manufacture of composite materials can improve the properties of proton-conducting polymers as membranes in PEM fuel cells. We have investigated composite membranes obtained by dispersion of nanodiamond particles in a sulfonated PolyEtherEtherKetone (SPEEK) matrix. SPEEK is a major proton-conducting aromatic polymer. Nanodiamond has been studied for various applications and can be functionalized with different surface groups. For use in proton-conducting membranes, surface functionalization with proton-donating groups is a promising approach. In this preliminary work, we have studied the properties of membranes made using pristine nanodiamond from diverse origins for a first assessment of the potential properties. The composites were analysed by various techniques, including Thermogravimetric Analysis, water vapor uptake and mechanical tensile tests.

Keywords

ionic conductordiamondpolymer
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1384: Symposium B – Advanced Materials for Fuel Cells , 2012 , mrsf11-1384-b09-01
Copyright
Copyright © Materials Research Society 2012

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