Fuel cell with electrolyte condensation zone
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United States of America Patent
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Nov 27, 2012
Grant Date -
Sep 27, 2007
app pub date -
May 16, 2007
filing date -
Dec 22, 2004
priority date (Note) -
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Abstract
A fuel cell 12 has a liquid electrolyte 20, a cathode electrode 28, and an anode electrode 26. The fuel cell includes an electrolyte condensation zone 58 extending from an edge 56 of a first catalyst layer 36 on the cathode electrode to an outer edge 48 of an edge seals 52 and 49. An anode electrode has an anode catalyst layer 30 with an end substantially coinciding with an inner edge 53 of the edge seals. The acid condensation zone is located near the reactant exit, so that electrolyte that has evaporated into the reactant stream can condense out before leaving the fuel cell for re-absorption back into the fuel cell.
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