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Manufacture or membrane electrode assembly with edge protection for PEM fuel cells

  • US 20080105354A1
  • Filed: 11/08/2006
  • Published: 05/08/2008
  • Est. Priority Date: 11/08/2006
  • Status: Active Grant
First Claim
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1. A method for constructing a membrane electrode assembly/subgasket assembly, comprising:

  • providing a subgasket member;

    providing an adhesive layer on a surface of the subgasket member;

    forming the subgasket member into a desired configuration, wherein an area defining an aperture is formed in a central area of the surface of subgasket member;

    securing the subgasket member to a first platen member;

    providing a catalyst coated membrane member, wherein a catalyst layer is provided in a central area of the membrane member, said catalyst layer including an edge configuration substantially identical to an edge configuration of the aperture;

    securing the catalyst coated membrane member to a second platen member; and

    manipulating the first and second platen members so that the adhesive layer contacts the membrane member of the catalyst coated membrane member.

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