Fuel cell system

Details Fuel cell system Fuel cell system

2003-09-26

2008-12-30

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S010000, C429S006000

Reexamination Certificate

active

07470481

ABSTRACT:
A fuel cell system includes at least one fuel cell stack having a fuel chamber including a fuel electrode (anode), an air chamber including an oxygen electrode (cathode), an electrolyte layer interposed between the fuel electrode and the oxygen electrode, and a pressure regulating valve for regulating supply pressure of fuel gas (hydrogen gas) supplied to the fuel chamber. The pressure regulating valve sets the supply pressure of the fuel gas when the fuel cell stack starts up power generation at a level higher than the supply pressure of the fuel gas during normal power generation in which the fuel cell stack is generating electric power.

REFERENCES:
patent: 5366821 (1994-11-01), Merritt et al.
patent: 6896985 (2005-05-01), Horiguchi et al.
patent: 2003/0035986 (2003-02-01), Yang

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