Fuel cell and fuel cell stack

Details Fuel cell and fuel cell stack Fuel cell and fuel cell stack

2004-12-17

2009-10-13

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S006000, C429S010000

Reexamination Certificate

active

07601453

ABSTRACT:
A fuel cell includes an electrolyte electrode assembly and separators. The separator includes first through third plates which are stacked together. The first plate has a first protrusion section on its surface contacting an anode of a first circular disk. The first protrusion section includes a large number of protrusions and a substantially ring shaped protrusion which is provided around the protrusions. The first protrusion section protrudes toward the anode, and a fuel gas flow field is formed between the anode and the first protrusion section.

REFERENCES:
patent: 5691075 (1997-11-01), Batawi et al.
patent: 2004/0247983 (2004-12-01), Orishima et al.
patent: 7-22059 (1995-01-01), None
patent: 11-16581 (1999-01-01), None
patent: 2001-68132 (2001-03-01), None
patent: 2002-203579 (2002-07-01), None
patent: 2002-313370 (2002-10-01), None
patent: WO-03/043110 (2003-05-01), None
patent: WO 03043110 (2003-05-01), None
International Search Report and Written Opinion for Application No. PCT/JP2004/019272, dated Aug. 30, 2005.

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