Fuel cell

Details Fuel cell Fuel cell

2011-07-05

2011-07-05

Kalafut, Stephen J. (Department: 1727)

Chemistry: electrical current producing apparatus, product, and

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

Process or means for control of operation

C429S471000

Reexamination Certificate

active

07972737

ABSTRACT:
In a fuel cell which includes a plurality of stacks in which a plurality of cells, which cause reaction gases to undergo electrochemical reaction and generate electricity, are stacked in layers; and an electrically conductive member which electrically connects together end portions of the stacks, so that the stacks constitute a series circuit, there is also provided a first relay which electrically connects together some cell other than one at an end portion of a stack, and a cell of another stack. This first relay can create a bypass for cutting out a cell whose cell voltage value has become less than or equal to a predetermined value from the series circuit of the fuel cell.

REFERENCES:
patent: 6387556 (2002-05-01), Fuglevand et al.
patent: 7087327 (2006-08-01), Pearson
patent: 2003/0044668 (2003-03-01), Sugita et al.
patent: 2005/0142407 (2005-06-01), Fuller et al.
patent: 1567621 (2005-01-01), None
patent: 1 471 590 (2004-10-01), None
patent: 61-225773 (1986-10-01), None
patent: 2005-183047 (2005-07-01), None
patent: WO 00/02283 (2000-01-01), None

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