Method for regeneration of performance in a fuel cell

Details Method for regeneration of performance in a fuel cell Method for regeneration of performance in a fuel cell

2003-09-30

2008-10-07

Kalafut, Stephen J. (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S010000, C429S006000, C429S006000

Reexamination Certificate

active

07432002

ABSTRACT:
A process for improved performance in at least one fuel cell, having a loss in power output of at least 5% of an initial power output, wherein the fuel cell comprises a cathode, an anode, an anode chamber, a cathode chamber, a fuel comprising an anolyte that flows through the cell, and a catholyte gas, wherein the fuel cell is connected to an external load, and wherein the process includes the steps of taking the load off the fuel cell; and applying an external electric field from an external power source to the fuel cell to reverse electrochemical reactions until at least 5% of the lost power output is regained. Purging the fuel cell further enhances regeneration of the cell.

REFERENCES:
patent: 6265092 (2001-07-01), Meltser et al.
patent: 6479177 (2002-11-01), Roberts et al.
patent: 6656639 (2003-12-01), Hagg et al.
patent: 2002/0182456 (2002-12-01), Condit et al.
patent: 2003/0077493 (2003-04-01), Colborn et al.
patent: 2003/0224228 (2003-12-01), Reiser et al.

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