Membrane-electrode junction agent, proton conducting membrane having junction layer, membrane-electrode assembly, polymer electrolyte fuel cell, and manufacturing method of the membrane-electrode assembly

  • US 8,318,377 B2
  • Filed: 03/12/2008
  • Issued: 11/27/2012
  • Est. Priority Date: 03/16/2007
  • Status: Expired due to Fees
First Claim
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1. A membrane-electrode junction agent useful for joining a proton conducting membrane and electrodes arranged on both surfaces of the proton conducting membrane, comprising:

  • a cross-linkable compound (X) having a silicon-oxygen bond;

    a polymer material (Y) containing an acid group, anda hydrophilic resin (Z) containing no acid group.

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