Apparatus and methods for generating water in a fuel cell system
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United States of America Patent
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Aug 26, 2008
Grant Date -
Sep 11, 2003
app pub date -
Mar 6, 2002
filing date -
Mar 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and methods for the generation of water in a direct oxidation fuel cell. Water, in addition to carbon dioxide and heat, is produced when carbonaceous fuel or fuel solution is oxidized in the presence of air and a suitable catalyst. This oxidation reaction is performed on a surface that allows for the introduction of oxygen in the presence of a catalyst. Water produced can then be directly added to the fuel solution thereby diluting the fuel solution to a desired concentration, or may be separately and then later added to fuel solution for the normal fuel cell operations depending on the permeability of the membrane to water.
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