Bipolar plate for fuel cells, which is formed from a shaped foil, and method for manufacturing same
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United States of America Patent
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Feb 2, 2010
Grant Date -
Nov 4, 2004
app pub date -
Mar 31, 2004
filing date -
Mar 31, 2003
priority date (Note) -
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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.
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