Influence of TiO2 nanometric filler on the behaviour of a composite membrane for applications in direct methanol fuel cells

V. Baglio*, A. Di Blasi, A. S. Aricò, V. Antonucci, P. L. Antonucci, F. Serraino Fiory, S. Licoccia, E. Traversa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

Composite Nafion membranes containing various amounts of TiO2 (3 wt%, 5 wt% and 10 wt%) were investigated for operation in high temperature Direct Methanol Fuel Cells (DMFCs). Maximum power density of 350 mW cm -2 was achieved in the presence of oxygen feed at 145°C for the composite membranes containing 3-5 wt% TiO2; whereas, the maximum power density with air feed was about 210 mW cm-2. Moreover, an investigation of the influence of titanium oxide particle size on the electrochemical behaviour of the composite membranes for high temperature operation has been carried out. The DMFC performance increases as the mean particle size of the TiO2 filler decreases. This indicates an influence of the filler morphology on the electrochemical properties of the composite membranes.

Original languageEnglish (US)
Pages (from-to)275-280
Number of pages6
JournalJournal of New Materials for Electrochemical Systems
Volume7
Issue number4
StatePublished - Oct 2004
Externally publishedYes

Keywords

  • Composite Nafion membranes
  • Direct methanol fuel cell
  • Particle size
  • Titanium oxide

ASJC Scopus subject areas

  • Electrochemistry
  • Materials Chemistry
  • Materials Science(all)
  • Electronic, Optical and Magnetic Materials

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