Fuel cell generating system

Details Fuel cell generating system Fuel cell generating system

1991-07-22

1993-02-16

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 26, H01M 804

Patent

active

051870240

ABSTRACT:
A fuel cell generating system allows temperature control so that the temperature of a fuel cell is kept constant. When the fuel cell is cooled, first and second reaction portions are controlled so that endothermic reaction of the circulating reaction gas proceeds in the first reaction portion, and exothermic reaction proceeds in the second reaction portion. When the fuel cell is heated, the reaction portions are controlled so that reverse reaction proceeds in each of the two reaction portions. It is therefore possible to control the temperature of a fuel cell stack with good efficiency by circulating a small amount of heat transfer medium, and to decrease the blower power loss.

REFERENCES:
patent: 3488226 (1970-01-01), Baker et al.
patent: 3718506 (1973-02-01), Fischer et al.
patent: 4182795 (1980-01-01), Baker et al.
patent: 4647516 (1987-03-01), Matsumura et al.
patent: 4650728 (1987-03-01), Matsumura et al.
patent: 4994331 (1991-02-01), Cohen
patent: 5082752 (1992-01-01), Koga et al.

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