Fuel cells with hydrogen recycle

Details Fuel cells with hydrogen recycle Fuel cells with hydrogen recycle

1990-04-25

1992-01-07

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 19, H07M 806

Patent

active

050791036

ABSTRACT:
In high-temperature fuel cells, for example the solid oxide fuel cell (SOFC) and molten carbonate fuel cell (MCFC), anode waste gases containing hydrogen and carbon dioxide are separated from the waste gas stream by means of, e.g., a scrubbing step and/or an adsorption system, and the thus-obtained hydrogen is recycled to the anode. For the operation of an MCFC system, the carbon dioxide separated from the anode waste gas is reused by being admixed to the oxygen stream entering the cathode.

REFERENCES:
patent: 2901524 (1959-08-01), Gorin et al.
patent: 2926753 (1960-03-01), Kohl et al.
patent: 3462308 (1969-08-01), Winters
patent: 4037024 (1977-07-01), Landau
patent: 4042755 (1977-08-01), Anbar
Riquarts et al., "Linde Reports on Science and Technology: Gas Separation Using Pressure Swing Adsorption Plants", No. 40, 1985, pp. 26-35.
Linde, "Plants for the Production of Pure Hydrogen from Light Hydrocarbons", 1983.
Voss, "Status of Fuel Cell Development", Fuel Cell Workshop at Taormina/Sicily, Jun. 6, 1987, Comm. of the European Communities.

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