Fuel cell stack

Details Fuel cell stack Fuel cell stack

1982-12-15

1984-10-23

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 36, 429 26, H01M 208, H01M 214, H01M 804

Patent

active

044789181

ABSTRACT:
A fuel cell stack has a plurality of stacked unit cells, each consisting of a pair of gas diffusion electrodes with a matrix containing an electrolyte solution interposed between them, with an interconnector having a fuel gas passage on one surface and an oxidizing gas agent passage on the other surface interposed between each pair of adjacent unit cells. One out of every three to five interconnectors is a one-piece-molded product which has at least one cooling pipe embedded in it and which provides an excellent cooling effect. The fuel cell stack stably provides a high output voltage over a long period of operation time.

REFERENCES:
patent: 3623913 (1971-11-01), Adlhart et al.
patent: 3834945 (1974-09-01), Jensen
patent: 3923546 (1975-12-01), Katz et al.
patent: 3964929 (1976-06-01), Grevstad
patent: 3964930 (1976-06-01), Reiser
patent: 3990913 (1976-11-01), Tuschner
patent: 4157327 (1979-06-01), Martin et al.
patent: 4233369 (1980-11-01), Breault et al.
patent: 4345009 (1982-08-01), Fahle et al.
Proceedings of the 13th Intersociety Energy Conversion Engineering Conference (1978) p. 735.

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