Integral edge seals for phosphoric acid fuel cells

Details Integral edge seals for phosphoric acid fuel cells Integral edge seals for phosphoric acid fuel cells

1989-09-11

1992-03-17

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 36, H01M 208

Patent

active

050967860

ABSTRACT:
A phosphoric acid fuel cell having integral edge seals formed by an elastomer permeating an outer peripheral band contiguous with the outer peripheral edges of the cathode and anode assemblies and the matrix to form an integral edge seal which is reliable, easy to manufacture and has creep characteristics similar to the anode, cathode and matrix assemblies inboard of the seals to assure good electrical contact throughout the life of the fuel cell.

REFERENCES:
patent: 3389017 (1968-06-01), Webb
patent: 3846176 (1974-11-01), Kuhl
patent: 3867206 (1975-02-01), Trocciola et al.
patent: 4259389 (1981-03-01), Vine et al.
patent: 4579788 (1986-04-01), Marianowski et al.

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