The present invention provides for a solid polymer electrolyte membrane having a fluorinated ionomer having imbibed therein a non-fluorinated, non-ionomeric polymer, wherein the fluorinated ionomer comprises at least 6 mole % of monomer units having a fluorinated pendant group with a terminal ionic group,...http://www.google.fr/patents/US20040241519?utm_source=gb-gplus-shareBrevet US20040241519 - Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability
Solid polymer membrane for fuel cell with polyamine imbibed therein for ...
Numéro de demande: 10/488,910 Numéro de publication: US 2004/0241519 A1 Date de dépôt: 4 mars 2004 Brevet délivré: US7534516 ( Date de délivrance 19 mai 2009)
