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Reinforced electrolyte membrane

  • US 9,893,373 B2
  • Filed: 05/18/2011
  • Issued: 02/13/2018
  • Est. Priority Date: 05/25/2010
  • Status: Active Grant
First Claim
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1. An electrolyte membrane, comprising:

  • a first proton conducting polymer reinforced with a nanofiber mat;

    wherein the nanofiber mat is made from a nanofiber comprising a fiber material selected from the group consisting of (i) PES, (ii) a PES blend, (iii) PEI, (iv) a PEI blend, (v) PBI, (vi) a PBI blend, (vii) PPO, (viii) a PPO blend, (ix) PEEK, (x) a PEEK blend, (xi) PPES, (xii) a PPES blend, (xiii) PEK, (xiv) a PEK blends, and (xv) combinations thereof, andwherein the nanofiber has an average diameter no greater than 1000 nm; and

    wherein the first proton conducting polymer is selected from the group consisting of highly fluorinated ionomer, perfluorinated ionomer, hydrocarbon ionomer, blends and combinations thereof.

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