Fuel cell and separator therefor

Details Fuel cell and separator therefor Fuel cell and separator therefor

2006-12-12

2006-12-12

Crepeau, Jonathan (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

07147956

ABSTRACT:
A fuel cell comprises an membrane electrode assembly formed by holding an electrolyte membrane between a pair of electrodes and a separator layered on both sides of the membrane electrode assembly for forming gas passages between the separator and the electrode. The separator includes protrusions formed on both surfaces thereof for contacting with the electrode, and a spacer portion disposed between the protrusions for substantially forming the gas passage. The protrusions and the spacer portions are arranged along a surface direction of the separator so as to form a corrugated plate. At least two drawn portions in which thickness of the spacer portion changes to a thin portion are formed between the protrusions in the spacer portion.

REFERENCES:
patent: 6261710 (2001-07-01), Marianowski
patent: 2000-138065 (2000-05-01), None
patent: 2000-223137 (2000-08-01), None
Abstract, JP 2000-138065, May 16, 2000, Makino Hiroshi.
Abstract, JP 2000-223137, Aug. 11, 2000, Matsukawa Masanori et al.

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