Patents Represented by Attorney, Agent or Law Firm Carry W. Brooks
  • Low contact resistance PEM fuel cell
    Patent number: 6811918
    Abstract: A PEM fuel cell having a current collector comprising a polymer composite and a diffusion media engaging said polymer composite. The polymer composite has a hyperconductive surface layer engaging the diffusion media to reduce the contact resistance therebetween. The hyperconductive surface layer is formed by depositing or smearing an electrically-conductive material on the surface of the polymer composite.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: November 2, 2004
    Assignee: General Motors Corporation
    Inventors: Richard H. Blunk, Mahmoud H. Abd Elhamid, Daniel John Lisi, Youssef Morcos Mikhail