Patent ID: 6667125
Filing Date: 2003-12-23
Classification: H01M,Y02E

Abstract:
A fuel cell comprising:an anode substrate having a pair of opposed anode surfaces, each of said anode surfaces terminating a pair of opposed anode edges; a cathode substrate having a pair of opposed cathode surfaces, each of said cathode surfaces terminating a pair of opposed cathode edges; a rectangular proton exchange membrane disposed between the surfaces of said substrates and having first opposed edge flaps extending beyond the opposed surfaces of said anode substrate, said first flaps contacting said pair of opposed anode edges of said anode substrate in gas sealing relationship, and having second opposed edge flaps disposed between said first flaps and extending beyond the opposed surfaces of said cathode substrate, said second flaps contacting said pair of opposed cathode edges of said cathode substrate in gas sealing relationship.