Fuel cell cooling system

Details Fuel cell cooling system Fuel cell cooling system

Filed on

1975-07-21

Date issued

1976-06-22

Examiner

Mack, John H.

Patent Class

Batteries: thermoelectric and photoelectric

SubClass

Thermoelectric

SubSubClass

Radiation pyrometer

Other Related Categories

H01M 804

Type

Patent

Status

active

Patent number

039649300

Description

ABSTRACT:
A cooler for removing waste heat from a stack of fuel cells includes a plurality of tubes for carrying the coolant through the stack. The tubes are disposed adjacent the nonelectrolyte side of electrodes in the stack in grooves or passageways formed in the surface of plates which separate one cell in the stack from another. Since the tubes are exposed to the electrolyte used in the stack they must be made from or at least include a protective coating of material which is stable in the electrolyte. Preferably this material is also a dielectric to prevent shunt currents from passing into the tubes and coolant which may be water.

REFERENCES:
patent: 3923546 (1975-12-01), Katz et al.

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