Fuel cell catalyst regeneration

Details Fuel cell catalyst regeneration Fuel cell catalyst regeneration

2011-07-19

2011-07-19

Lorengo, Jerry (Department: 1731)

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

C502S034000, C502S053000, C502S054000, C429S408000, C429S049000

Reexamination Certificate

active

07981825

ABSTRACT:
Systems and methods that facilitate operating proton exchange membrane (PEM) fuel cells are provided. The methods can involve contacting a reducing agent comprising a mixture of hydrogen and nitrogen, or a reducing plasma with a cathode catalyst of a proton exchange membrane fuel cell to reduce the cathode catalyst. The systems employ a fuel supply component that supplies fuel to the proton exchange membrane fuel cell; and a regeneration component that provides a reducing agent comprising a mixture of hydrogen and nitrogen, or a reducing plasma to a cathode catalyst of the proton exchange membrane fuel cell to reduce the cathode catalyst.

REFERENCES:
patent: 4781995 (1988-11-01), Giner
patent: 5658843 (1997-08-01), Tsukada et al.
patent: 7078130 (2006-07-01), Antonelli
patent: 7622412 (2009-11-01), Hill et al.
patent: 2003/0178343 (2003-09-01), Chen et al.
patent: 2005/0032626 (2005-02-01), Song et al.

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