Monolithic solid electrolyte oxygen pump

Details Monolithic solid electrolyte oxygen pump Monolithic solid electrolyte oxygen pump

1987-04-08

1989-10-31

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204410, 429 30, 429 33, C25B 900

Patent

active

048775061

ABSTRACT:
A multi-layer oxygen pump having a one-piece, monolithic ceramic structure affords high oxygen production per unit weight and volume and is thus particularly adapted for use as a portable oxygen supply. The oxygen pump is comprised of a large number of small cells on the order of 1-2 millimeters in diameter which form the walls of the pump and which are comprised of thin, i.e., 25-50 micrometers, ceramic layers of cell components. The cell components include an air electrode, an oxygen electrode, an electrolyte and interconnection materials. The cell walls form the passages for input air and for exhausting the oxygen which is transferred from a relatively dilute gaseous mixture to a higher concentration by applying a DC voltage across the electrodes so as to ionize the oxygen at the air electrode, whereupon the ionized oxygen travels through the electrolyte and is converted to oxygen gas at the oxygen electrode.

REFERENCES:
patent: 3400054 (1968-09-01), Ruka et al.
patent: 4476196 (1984-10-01), Peoppel et al.
patent: 4476197 (1984-10-01), Herceg
patent: 4476198 (1984-10-01), Ackerman et al.
patent: 4510212 (1985-04-01), Iraini

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