Pressure electrolyzer and method for switching off a...

Details Pressure electrolyzer and method for switching off a... Pressure electrolyzer and method for switching off a...

2007-10-23

2007-10-23

Bell, Bruce F. (Department: 1746)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S257000, C204S266000, C205S628000

Reexamination Certificate

active

10538027

ABSTRACT:
A pressure electrolyzer having a pressure reservoir, an electrolytic cell block containing a number of electrolytic cells and positioned in the pressure reservoir, the electrolytic cells each containing anodes and cathodes, and an electrolyte circulatory system for supplying electrolyte to the anodes and cathodes. The circulatory system includes an oxygen separator operative to separate gaseous oxygen formed during operation of the pressure electrolyzer and a hydrogen separator operative to separate gaseous hydrogen formed during operation of the pressure electrolyzer, and a store of an inert gas, to inert the pressure electrolyzer when it is switched off. The store of inert gas is supplied to the oxygen separator. The electrolyte circulatory system further includes a connecting line arranged so that a part of the electrolyte can be pushed out of the hydrogen separator when the inert gas is applied to the oxygen separator so as to displace the gaseous hydrogen.

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