Bipolar plate for fuel cells, which is formed from a shaped...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

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Details

C429S006000

Reexamination Certificate

active

07655341

ABSTRACT:
The present invention relates to a bipolar plate for fuel cells, comprising at least a shaped, at least partially electrically conductive foil (1), the bipolar plate having a channel structure (5) formed by the shaping of the foil (1), to convey reactants to electrodes of adjacent fuel cells and to carry away reaction products, and a microstructure (4) is integrated into the foil (1) to increase the rigidity of the foil (1). The invention also relates to a method for manufacturing corresponding bipolar plates.

REFERENCES:
patent: 6555261 (2003-04-01), Lewinski et al.
patent: 2004/0033408 (2004-02-01), Zhang et al.
patent: WO-01/82399 (2001-11-01), None

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