Fuel cell employing local power generation when starting at...

Details Fuel cell employing local power generation when starting at... Fuel cell employing local power generation when starting at...

2007-05-29

2007-05-29

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S006000

Reexamination Certificate

active

10116603

ABSTRACT:
A fuel cell which can self-heat in a short time, in which no reaction gas is necessary for combustion, thereby improving the starting performance at low temperatures. The fuel cell comprises a cell structure in which an anode and a cathode are provided on either side of a solid polymer electrolyte membrane. This cell structure has a power generation plane and at least a part of the generation plane is defined as a local generation area so as to locally generate power. The fuel cell may include a pair of separators between which the cell structure is placed, and a reaction gas passage may be formed between the cell structure and each separator. One of a system for supplying a reaction gas to only a part of the reaction gas passage, and a system for supplying a reaction gas to the entire reaction gas passage is switchably selected.

REFERENCES:
patent: 4548875 (1985-10-01), Lance et al.
patent: 5527632 (1996-06-01), Gardner
patent: 5607785 (1997-03-01), Tozawa et al.
patent: 6103410 (2000-08-01), Fuller et al.
patent: 6649293 (2003-11-01), Jones
patent: 6663994 (2003-12-01), Fly et al.
patent: WO 97/48142 (1997-12-01), None

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