Patent ID: 6231053
Filing Date: 2001-05-15
Classification: H01M,Y02E

Abstract:
A gasket for sealing gases in a fuel cell, said gasket comprising:a gasket body having an upper face, a lower face and at least one opening, said opening having an inner face;a sealing section on said gasket body, said sealing section formed of a liquid rubber vulcanizate, said sealing section formed on said upper face and said lower face and extending over said inner face to form an integral seal, said sealing section preventing the gases from coming into direct contact with said gasket body and preventing the formation of contaminants which decreases the electrical generating efficiency of the fuel cell; anda polymer electrolyte membrane member adjacent to said sealing section, said membrane member having an outer portion, said sealing section attached to said gasket body and to said outer portion so as to absorb any change in size of said membrane member.