Bipolar plate for fuel cell with deformed metal distribution...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement

Reexamination Certificate

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Details

C429S457000, C429S518000

Reexamination Certificate

active

08007955

ABSTRACT:
The bipolar plate is of a relatively simple design and a low production cost. In addition, it only requires two supply ducts.It consists essentially of a separator (20) sandwiched between two distributors (14) each consisting of a deformed sheet so that a distribution channel (16A,16B) is formed on each of the two sides. A central hole (15) is used to connect both channels so as to only form a single distribution channel from one end of the distributor to the other. The fuel and oxidant gases may be evacuated to the outside or collected in peripheral evacuation holes (28) similar to the supply holes (17).

REFERENCES:
patent: 5034288 (1991-07-01), Bossel
patent: 5981098 (1999-11-01), Vitale
patent: 7829231 (2010-11-01), Formanski et al.
patent: 0 714 147 (1994-11-01), None
patent: 2001068132 (2001-03-01), None
patent: 1 445 814 (2002-10-01), None
patent: 1 482 585 (2003-02-01), None
patent: WO 03/088378 (2003-10-01), None

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