Method for operating a fuel cell in the minimal-or...

Details Method for operating a fuel cell in the minimal-or... Method for operating a fuel cell in the minimal-or...

2007-05-22

2007-05-22

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

Reexamination Certificate

active

10469181

ABSTRACT:
The invention relates to a method for operating a PEM or DMFC fuel cell in the minimal- or partial-load region. According to the invention, the size of the cell surface, on which the fuel cell reaction takes place, is altered by means of opening or closing of feed channels, which serve to supply reaction medium to the cell surface.

REFERENCES:
patent: 4202772 (1980-05-01), Goldstein
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patent: 2002/0071981 (2002-06-01), Sano et al.
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patent: 61027071 (1986-02-01), None
patent: 61027071 (1986-02-01), None
patent: 07249419 (1995-09-01), None
patent: 11067260 (1999-03-01), None

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