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Catalyst carrier and fuel cell using the same

  • US 7,919,427 B2
  • Filed: 04/28/2010
  • Issued: 04/05/2011
  • Est. Priority Date: 01/27/2004
  • Status: Expired due to Fees
First Claim
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1. A catalyst carrier used for a fuel cell comprising a catalyst metal for promoting an oxidation-reduction reaction carried on a vapor-grown carbon fiber having a multi-layer graphene sheet structure, said vapor-grown carbon fiber comprising, at an end portion thereof, a discontinuous surface of a graphene sheet having a fracture surface and a closed portion having a continuous surface connecting an end portion of a graphene sheet with an end portion of an adjacent graphene sheet;

  • and a hollow space in a center axis of the vapor-grown carbon fiber.

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