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REINFORCED ELECTROLYTE MEMBRANE FOR FUEL CELL, FUEL CELL MEMBRANE-ELECTRODE ASSEMBLY, AND SOLID POLYMER ELECTROLYTE FUEL CELL COMPRISING THE FUEL CELL MEMBRANE-ELECTRODE ASSEMBLY

  • US 20110008708A1
  • Filed: 10/17/2008
  • Published: 01/13/2011
  • Est. Priority Date: 04/19/2007
  • Status: Active Grant
First Claim
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1. A reinforced electrolyte membrane for fuel cell comprising a porous substrate impregnated with a polyelectrolyte liquid dispersion, wherein either the maximum tensile strength in the machine direction (for sheet processing) (MD) or the maximum tensile strength in the transverse direction (TD;

  • vertical to the MD direction) for the electrolyte membrane is 70 N/mm2 or more at 23°

    C. at a relative humidity of 50%.

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