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Title:
SEAL FOR A BIPOLAR PLATE OF A FUEL CELL
Document Type and Number:
WIPO Patent Application WO/2011/157377
Kind Code:
A3
Abstract:
The invention relates to a seal for at least one bipolar plate (20) of a fuel cell (10), consisting at least partially of a sealing material which is suitable for sealing medium flows in the fuel cell (10). At least one structure (30) conducting a reaction medium is integrated in the seal (28), and the reaction media can be conducted to and/or away from the bipolar plate (20) via said structure. An assembly comprising a bipolar plate (20) and a seal (28) can be produced by temporarily expanding the seal (28) and inserting the bipolar plate (20) into the seal (28) during said temporary expansion. Alternatively, the seal (28) can be moulded onto the bipolar plate (20).

Inventors:
WIELAND STEFFEN (DE)
HAUG ELMAR (DE)
GEISS STEFAN (DE)
ADLER MATTHIAS (DE)
ANDERS BRITTA (DE)
Application Number:
PCT/EP2011/002823
Publication Date:
March 15, 2012
Filing Date:
June 08, 2011
Export Citation:
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Assignee:
ENYMOTION GMBH (DE)
FREUDENBERG CARL KG (DE)
WIELAND STEFFEN (DE)
HAUG ELMAR (DE)
GEISS STEFAN (DE)
ADLER MATTHIAS (DE)
ANDERS BRITTA (DE)
International Classes:
H01M8/02; H01M8/04; H01M8/24
Domestic Patent References:
WO2007090423A12007-08-16
Foreign References:
US20100055530A12010-03-04
US20040018412A12004-01-29
US20040265673A12004-12-30
DE102007025828A12008-12-04
EP2065958A12009-06-03
US6316139B12001-11-13
US20030082430A12003-05-01
Attorney, Agent or Firm:
STRASS, Juergen (Rundfunkplatz 2, München, DE)
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