Fuel cell

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

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Details

429 33, 16510426, H01M 804

Patent

active

053587995

ABSTRACT:
A fuel cell uses hydrogen as a fuel and oxygen as an oxidant and a hollow member is partially located in an anode chamber, partially located in a cathode chamber and partially located in a water collecting chamber. The hollow member contains a non electrolyte aqueous solution, eg sucrose solution. The hollow member is formed from a semi-permeable membrane which allows water to permeate therethrough but prevents hydrogen, oxygen and the solute, eg sucrose permeating therethrough. Water transported through a solid polymer electrolyte from the anode chamber to the cathode chamber and water produced in the cathode chamber permeates through the semi-permeable membrane into the hollow member by osmosis. Water in the hollow member permeates through the semi-permeable membrane into the anode chamber and dryer regions of the cathode chamber by osmosis. Water in the hollow member permeates through the semi-permeable membrane into the water collecting chamber.

REFERENCES:
patent: 3525386 (1970-08-01), Grover
patent: 3568762 (1971-03-01), Harbaugh
patent: 3682239 (1972-08-01), Abu-Romia
patent: 3865630 (1975-02-01), Reimers
patent: 4826742 (1989-05-01), Reiser
patent: 4973530 (1990-11-01), Vanderborgh et al.

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