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

10 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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