Performance enhancing break-in method for a PEM fuel cell

Details Performance enhancing break-in method for a PEM fuel cell Performance enhancing break-in method for a PEM fuel cell

2006-07-18

2006-07-18

Bell, Bruce F. (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S010000, C429S010000, C429S006000, C429S006000, C429S006000, C429S006000, C429S006000

Reexamination Certificate

active

07078118

ABSTRACT:
A performance enhancing break-in method for a proton exchange membrane (“PEM”) fuel cell (12) includes cycling potentials of an anode electrode (14) and a cathode electrode (16) from a first potential to a second potential and back to the first potential, and repeating the cycling for each electrode (14, 16) for at least two electrode cycles. The potential cycling may be achieved in a first embodiment by applying a direct current from a programmable direct current power source (80) to the electrodes. Alternatively the potential cycling may be achieved by varying reactants to which the anode and cathode electrodes (14, 16) are exposed.

REFERENCES:
patent: 3544380 (1970-12-01), Dey
patent: 5601936 (1997-02-01), Dudfield et al.
patent: 6576356 (2003-06-01), Hallum
patent: 6589686 (2003-07-01), Ovshinsky et al.
patent: 2003/0224227 (2003-12-01), Voss et al.

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