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Methanol permeability and proton conductivity of a semi-interpenetrating polymer networks (IPNs)membrane composed of Nafion® and cross-linked DVB

Tipo de material: TextoTextoSeries ; Journal of Membrane Science, 281(1-2), p.707-715, 2006Trabajos contenidos:
  • Matsuguchi, M
  • Takahashi, H
Tema(s): Recursos en línea: Resumen: The problem of methanol crossover through a Nafion® membrane is one of the challenges in the application of direct methanol fuel cells (DMFCs). In order to reduce methanol crossover, a semi-interpenetrating polymer networks (IPNs)membrane composed of Nafion® and crosslinked DVB was prepared. This new membrane was found to be effective in reducing methanol permeation compared with unmodified Nafion® membrane. Although the conductivity and H2/O2 fuel cell performance were still lower than those of unmodified Nafion® membrane, the present results demonstrate the potential for using semi-IPN membranes as an electrolyte for DMFC.
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The problem of methanol crossover through a Nafion® membrane is one of the challenges in the application of direct methanol fuel cells (DMFCs). In order to reduce methanol crossover, a semi-interpenetrating polymer networks (IPNs)membrane composed of Nafion® and crosslinked DVB was prepared. This new membrane was found to be effective in reducing methanol permeation compared with unmodified Nafion® membrane. Although the conductivity and H2/O2 fuel cell performance were still lower than those of unmodified Nafion® membrane, the present results demonstrate the potential for using semi-IPN membranes as an electrolyte for DMFC.

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