High power density evaporatively cooled ion exchange membrane fuel cell
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United States of America Patent
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-
Jan 3, 1989
Grant Date -
N/A
app pub date -
Jul 23, 1987
filing date -
Jul 23, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of evaporatively cooling an ion exchange membrane electrolyte fuel cell is disclosed. Liquid water mist 3 is introduced into the anode 6. A desiccant material 8 directs the liquid water mist 3 to the ion exchange membrane 12. Evaporation of a portion of both the product water and the supplied liquid water cools the cell and eliminates the need for a separate cooling chamber, resulting in a cell with high packing density, high current density capability and a large power to weight ratio.
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