Fuel cell battery with improved membrane cooling

Details Fuel cell battery with improved membrane cooling Fuel cell battery with improved membrane cooling

1984-02-03

1987-03-10

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 26, 429120, 429129, 65169, 16510433, H01M 200, H01M 804

Patent

active

046490914

ABSTRACT:
A membrane fuel cell battery is described which is characterized by improved reactant flow distribution and heat removal. Internally cooled, bipolar, reactant flow defining assemblies separate the ion exchange membranes of adjacent cells. Coolant flow through the interior of the separator is controlled to cool one side more than the other. The cooler side of one separator contacts the fuel side of a membrane while the warmer side of the adjacent separator contacts the oxidant side. The temperature differential across the membrane minimizes drying of the fuel side of the hydrated cell membranes.

REFERENCES:
patent: 3432357 (1969-03-01), Dankese
patent: 3507702 (1970-04-01), Sanderson
patent: 3516867 (1970-06-01), Dankese

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