Self-contained fuel cell
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United States of America Patent
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Issued Date -
Sep 16, 2004
app pub date -
Mar 10, 2003
filing date -
Mar 10, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Improved self-contained fuel cells have a gas diffusion electrode suitable for reducing molecular oxygen and a separate gas diffusion electrode suitable for generating molecular oxygen. The fuel for the cell generally is in contact with both gas diffusion electrodes such that the fuel can be regenerated within the cell. In some embodiments, the fuel and the oxidation products of the fuel are in the form of a flowable paste that can be circulated within the cell to maintain a more uniform concentration of fuel within the cell.
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