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Gas Diffusion Layer for Fuel Cell

  • US 20090148726A1
  • Filed: 12/07/2007
  • Published: 06/11/2009
  • Est. Priority Date: 12/07/2007
  • Status: Active Grant
First Claim
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1. A method for forming a gas diffusion layer for use in fuel cells, comprising:

  • providing a fibrous mat having a plurality of interstices formed in a surface thereof;

    providing a plurality of pulp fibers;

    causing the plurality of pulp fibers to bloom;

    providing a microporous layer;

    combining the plurality of bloomed pulp fibers and the microporous layer to form a mixture; and

    disposing the mixture on the fibrous mat, wherein the pulp fibers are operable to penetrate the plurality of interstices and adhere to the fibrous mat, wherein the microporous layer is held in place by the plurality of pulp fibers.

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