Static regenerative fuel cell system for use in space

Details Static regenerative fuel cell system for use in space Static regenerative fuel cell system for use in space

1987-11-13

1989-06-13

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

204269, 204DIG4, H01M 818, C25B 900

Patent

active

048392472

ABSTRACT:
The cell stack can be operated as a fuel cell stack or as an electrolysis cell stack. The stack consists of a series of alternate fuel cell subassemblies with intervening electrolysis cell subassemblies, and interspersed cooling plates. The water produced and consumed in the two modes of operation migrates between adjacent cell subassemblies. The component plates are annular with a central hydrogen plenum and integral internal oxygen manifolds. No fluid pumps are needed to operate the stack in either mode.

REFERENCES:
patent: 3379634 (1968-04-01), Rutkowski
patent: 3981745 (1976-09-01), Stedman
patent: 4074018 (1978-02-01), Haas et al.
patent: 4087976 (1978-05-01), Morrow et al.
patent: 4276145 (1981-06-01), Skala

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