Patent ID: 6686079
Filing Date: 2004-02-03
Classification: E21B,H01M,Y02E

Abstract:
A fuel cell, comprising:a fuel vessel that comprises a source of fuel; an oxidant vessel comprising a source of oxidant; a reaction zone that comprises at least one cathode, at least one anode, and electrolyte between each anode and cathode; a closed water vessel that is connected to the reaction zone by at least one capillary flow path; a fuel conduit that connects the fuel vessel and the reaction zone, and comprises a fuel pressure control apparatus adapted to maintain a static pressure of fuel in the reaction zone; an oxidant conduit that connects the oxidant vessel and the reaction zone, and comprises an oxidant pressure control apparatus adapted to maintain a static pressure of oxidant in the reaction zone; and electrical conductors connected to anode and cathode and adapted to conduct electricity to an external device.