Patents Examined by Steve Kalafut
  • Patent number: 6383556
    Abstract: A method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell is described and which includes, providing an ion conducting electrolyte membrane having opposite sides; and applying a first diffusion layer to one of the opposite sides of the ion conducting electrolyte membrane by the application of force sufficient to fabricate a resulting membrane electrode diffusion assembly which has an optimal operational temperature range when utilized in an ion exchange membrane fuel cell of less than about 95 degrees C.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: May 7, 2002
    Assignee: Avista Laboratories, Inc.
    Inventors: David R. Lott, P. David DeVries