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SPECIAL ISSUE RESEARCH PAPERS

Hybrid Proton-Conducting Membranes as Fuel Cells Solid Polyelectrolytes

[+] Author and Article Information
J. Alberto Blázquez

CIDETEC, Centro de Tecnologías Electroquímicas, Paseo Miramón 196, 20009, San Sebastián, Spainablazquez@cidetec.es

David Mecerreyes, Oscar Miguel, Javier Rodriguez, Ione Cendoya, Jon Ajuria

CIDETEC, Centro de Tecnologías Electroquímicas, Paseo Miramón 196, 20009, San Sebastián, Spain

Juan J. Iruin

Departamento de Ciencia y Tecnología de Polímeros, e Instituto de Materiales Poliméricos (POLYMAT), M. de Lardizábal, 3, 20018 San Sebastián, Spain

J. Ignacio Santos

 Servicio de Resonancia Magnética Nuclear, UPV/EHU, M. de Lardizábal, 3, 20018 San Sebastián, Spain

Catherine Marestin, Régis Mercier

 Laboratoire des Matériaux Organiques á Propriétés Spécifiques (LMOPS), CNRS-UMR 5041, BP24, 69390 Vernaison, France

J. Fuel Cell Sci. Technol 3(3), 308-311 (Nov 30, 2005) (4 pages) doi:10.1115/1.2211636 History: Received November 22, 2005; Revised November 30, 2005

A series of novel hybrid organic-inorganic membranes based on sulfonated naphthalimides and phosphotungstic acid N-methylpyrrolidone were prepared from a NMP solution. These materials, composed of two proton-conducting components, have good mechanical properties, high ionic conductivities (10.5×102Scm at 80°C) and good fuel cell performances at 70°C.

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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 1

General scheme of the synthesis of a novel sulfonic polyimide BDSA/NTDA/pAPI

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Figure 2

IR spectra of hybrid membranes obtained from a sulfonated polyimide (IEC=1.98meqH+∕g) and different PTA content

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Figure 3

Water vapor sorption of hybrid membranes composed of a sulfonated polyimide (IEC=2.5meqH+∕g) and different PTA content

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Figure 4

Temperature dependence of the ionic conductivity values of hybrid membranes obtained from sulfonated polyimides having the same IEC but different PTA content

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Figure 5

Fuel cell tests of hybrid membranes composed of a sulfonated polyimide I(EC=1.98meqH+∕g) and different PTA content. These membranes are compared with the Nafion 112 in the same test conditions.

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