Non-bipolar fuel cell stack configuration
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United States of America Patent
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Dec 15, 1998
filing date -
Dec 15, 1998
priority date (Note) -
Expired
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Abstract
A non-bipolar fuel cell stack configuration where non-bipolar fuel cell arrays, manufactured on reel-to-reel sheets of porous plastic substrate material, are electronically connected in parallel with air and/or oxidizing gas flowing between the arrays. Separator plates of conventional type bipolar fuel cell stacks are eliminated in this approach and many of the electrical contact problems associated with conventional fuel cell stack are overcome. The present invention enables large power fuel cells, with relatively low total mass, to be readily manufactured at low cost.
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