Fuel cell

Details Fuel cell Fuel cell

2007-03-09

2011-12-06

Lorengo, Jerry A (Department: 1731)

Chemistry: electrical current producing apparatus, product, and

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

Means for distributing, storing, or preventing fluid movement

C429S516000

Reexamination Certificate

active

08071258

ABSTRACT:
A fuel cell which can utilize the fuel in its fuel reservoir to the fullest possible extent. The fuel cell includes: an electrolyte layer; a first electrode which is provided on one surface of the electrolyte layer and to which a liquid fuel is supplied; and a second electrode which is provided on the other surface of the electrolyte layer and to which an oxidant is supplied. The fuel cell further includes: a fuel chamber which is provided next to the first electrode and stores the liquid fuel; a fuel reservoir which is provided next to the fuel chamber and stores the liquid fuel to be refilled into the fuel chamber; a selectively permeable unit which is provided between the fuel chamber and the fuel reservoir and is permeable to the liquid fuel; and an osmotic pressure generating source which dissolves in a liquid stored in the fuel chamber and does not permeate the selectively permeable unit.

REFERENCES:
patent: 4537840 (1985-08-01), Tsukui et al.
patent: 2005/0058879 (2005-03-01), Guay
patent: 2005/0081924 (2005-04-01), Manning et al.
patent: 2005/0255348 (2005-11-01), Manako et al.
patent: 2004-39293 (2004-02-01), None

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