Bipolar fuel cell

Details Bipolar fuel cell Bipolar fuel cell

1987-12-14

1989-08-08

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 41, 429 44, H01M 810, H01M 486

Patent

active

048551937

ABSTRACT:
The present invention discloses an improved fuel cell utilizing an ion transporting membrane having a catalytic anode and a catalytic cathode bonded to opposite sides of the membrane, a wet-proofed carbon sheet in contact with the cathode surface opposite that bonded to the membrane and a bipolar separator positioned in electrical contact with the carbon sheet and the anode of the adjacent fuel cell. Said bipolar separator and carbon sheet forming an oxidant flowpath, wherein the improvement comprises an electrically conductive screen between and in contact with the wet-proofed carbon sheet and the bipolar separator improving the product water removal system of the fuel cell.

REFERENCES:
patent: 3297490 (1967-01-01), Barber et al.
patent: 3382105 (1968-05-01), McBryar et al.
patent: 4152489 (1979-05-01), Chottiner
patent: 4215183 (1980-07-01), MacLeod
patent: 4390603 (1983-06-01), Kawana et al.

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