Assisted stack anode purge at start-up of fuel cell system

Details Assisted stack anode purge at start-up of fuel cell system Assisted stack anode purge at start-up of fuel cell system

2007-10-18

2011-11-15

Crepeau, Jonathan (Department: 1725)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for control of operation

C429S444000, C429S458000

Reexamination Certificate

active

08057942

ABSTRACT:
A fuel cell system that enables an assisted anode purge upon start-up is provided. The fuel cell system includes a fuel cell stack having a plurality of fuel cells with anodes and cathodes. The fuel cell stack has an anode supply manifold and an anode exhaust manifold in fluid communication with the anodes. The fuel cell system further includes a suction device in fluid communication with at least one of the anode supply manifold and the anode exhaust manifold. The suction device adapted to selectively draw a partial vacuum on the fuel cell stack during a start-up of the fuel cell system. Methods for starting the fuel cell system are also provided.

REFERENCES:
patent: 5013617 (1991-05-01), Scheffler
patent: 6924056 (2005-08-01), Whiton et al.
patent: 7041405 (2006-05-01), Skiba et al.
patent: 2005/0129999 (2005-06-01), Geschwindt et al.
patent: 2005/0142399 (2005-06-01), Kulp et al.
patent: 2006/0093879 (2006-05-01), Yang et al.

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