Electrochemical hydrogen separator system for zero gravity water

Details Electrochemical hydrogen separator system for zero gravity water Electrochemical hydrogen separator system for zero gravity water

1989-03-24

1990-08-21

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204263, 204264, 204266, 204253, 204267, 204269, 204270, 204296, 55 16, 55158, 55159, C25B 104

Patent

active

049503715

ABSTRACT:
A zero gravity phase separation water electrolysis system (FIG. 1) for producing hydrogen and oxygen in gaseous form from water, in which the hydrogen output (12), which includes proton water, is fed first to a hydrophilic separator (10), or some other form of a phase preferential, porous separator (such as a hydrophobic separator or a combination of the two; FIG. 5), and then to an electrochemical separator (100), for separating the hydrogen gas from the proton water, with no significant parasitic loss and without the need for venting. The two separators can be stacked and integrated together with the hydrophilic material layer (10A; FIG. 4) of the hydrophilic separator forming the top of the electrochemical separator. The electrochemical separator includes a solid polymer membrane (101) of a sulfonated fluorocarbon sandwiched between two platinum electrodes (102/103). The hydrogen separated in the electrochemical chamber, along with protonically pumped water, is fed back (105) into the hydrophilic separator, while the water from which the hydrogen has been electrochemically stripped is fed back (17) under relatively low pressure to the water feed input line (1/2) for the electrolysis module (FIG. 1), or, if so desired, directly to the oxygen feed-back line (216) at relatively high pressure (FIG. 5).

REFERENCES:
patent: 4451347 (1984-05-01), Wullenweber
patent: 4602987 (1986-07-01), Bonaventura et al.

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