Fuel cell stack and method of pressing together the same
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United States of America Patent
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May 30, 1995
Grant Date -
N/A
app pub date -
Jun 17, 1993
filing date -
Jun 18, 1992
priority date (Note) -
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Abstract
A fuel cell stack having unit cells and separators, in which each unit cell comprises a solid polymer electrolyte membrane having a pair of electrode catalysts attached on both surfaces, and a pair of collectors, each made of a rigid body, being in contact with respective electrode catalysts, and each of the separators comprises a pair of pressure generating plates defining therebetween a pressure chamber to which a pressurized fluid is introduced, the pressure generating plates being deformed by the pressurized fluid and pressed against the adjacent respective collectors.
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