LoLiPEM: Long life proton exchange membrane fuel cells

  • G. Barbieri
  • , A. Brunetti
  • , M. L. Di Vona
  • , E. Sgreccia
  • , P. Knauth
  • , H. Y. Hou
  • , R. Hempelmann
  • , F. Arena
  • , L. D. Beretta
  • , B. Bauer
  • , M. Schuster
  • , J. O. Ossó
  • , L. F. Vega

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

This paper presents the main results obtained during the European project (FCH-JU) "LoLiPEM - Long-life PEM-FCH & CHP systems". The paper describes significant improvements in the polymer electrolyte by tailored heat treatments for cross-linking of Sulfonated Poly(ether ether ketone) (SPEEK), obtained without any addition of cross-linker species. The reported properties of the ionomers include mechanical properties, gas permeability and ionic conductivity. Innovative gas-diffusion electrodes are fabricated by the electrochemical deposition of Pt catalyst; the fuel cell current-voltage characteristics are reported with Nafion and SPEEK-based binder. The fuel cell performances at 80 °C of membrane-electrode-assemblies containing a SPEEK membrane with a cross-linking degree of 32% are among the best in the literature compared with the PEMFC using membrane alternative than Nafion.

Original languageBritish English
Pages (from-to)1921-1934
Number of pages14
JournalInternational Journal of Hydrogen Energy
Volume41
Issue number3
DOIs
StatePublished - 21 Jan 2016

Keywords

  • Cross-linked SPEEK
  • Gas Diffusion Electrode
  • Hydrogen cross-over
  • MEA preparation
  • SPEEK binder

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