Fuel cell, electronic device, portable terminal and camera

Details Fuel cell, electronic device, portable terminal and camera Fuel cell, electronic device, portable terminal and camera

2006-11-28

2006-11-28

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S009000

Reexamination Certificate

active

07141320

ABSTRACT:
A fuel cell including, a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side, and which stores fuel; an air chamber which is disposed at an air electrode side and to which air is supplied; and a recovery chamber in which a fuel-side by-product, which is generated by a catalytic reaction of the fuel at the fuel electrode, is recovered, wherein a colorant containing an indicator is provided inside of one of the fuel chamber and the recovery chamber.

REFERENCES:
patent: 6506513 (2003-01-01), Yonetsu et al.
patent: 2002/0142206 (2002-10-01), Hinokuma
patent: 2003/0134162 (2003-07-01), Gore et al.
patent: 2003-036879 (2003-02-01), None
patent: 2003-36879 (2003-02-01), None

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