Proton exchange membrane fuel cell support plate and an assembly

Details Proton exchange membrane fuel cell support plate and an assembly Proton exchange membrane fuel cell support plate and an assembly

1991-12-26

1993-11-23

Chaudhuri, Olik

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 33, 429 34, H01M 810

Patent

active

052642992

ABSTRACT:
A support plate for a proton exchange membrane fuel cell includes a porous support body that has a central portion and a peripheral portion integral with and circumferentially completely surrounding the central portion, and a sealing body of elastomeric sealing material that completely fills the pores of the peripheral portion to make it impermeable to fluids. The support plate may be assembled with another one and with a proton exchange membrane interposed between the two support plates to form an assembly, and the sealing body then peripherally joins and seals the assembly and fills any gaps that may be present between the peripheral portions due to the absence of the membrane from such regions and thus to peripherally encapsulate the membrane.

REFERENCES:
patent: 4950562 (1990-08-01), Yoshida et al.

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