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Properties of Composite Membranes of SPEEK and Nanodiamond

Published online by Cambridge University Press:  07 February 2012

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.

Type
Research Article
Copyright
Copyright © Materials Research Society 2012

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