Electrolysis: processes – compositions used therein – and methods – Electrolytic synthesis – Preparing nonmetal element
Patent
1997-03-25
1998-11-24
Bell, Bruce F.
Electrolysis: processes, compositions used therein, and methods
Electrolytic synthesis
Preparing nonmetal element
204228, 204229, 204230, 205335, 205337, 205637, 205638, C25B 1500, C25B 102
Patent
active
058401725
ABSTRACT:
The invention relates to an ultra-high purity gas generator system, such as a hydrogen gas generator system and method, which employs a direct current source to supply proportional electrical current to a cathode in an electrolyte cell. The system comprises a metal cathode gas generator for hydrogen gas and a DC current for the metal cathode, wherein the output DC line current is continuously modified by a control circuit, which modifies the pulse width into the DC source, based on the variation in hydrogen gas pressure or flow from the cell. In the system and method, direct current is supplied to the palladium or palladium alloy cathode of an electrolytic cell, and the direct current is controlled or switched by monitoring the gas flow or pressure in the cell by a pressure or flow transducer, providing the output voltage to a control circuit. The control circuit modulates the width of the pulses of a high frequency inverter and its modified and filtered output is supplied to the cell as a proportional, continuous straight line current source.
REFERENCES:
patent: 3448035 (1969-06-01), Serfass
patent: 3870616 (1975-03-01), Dempsey et al.
patent: 4078985 (1978-03-01), Takeuchi
patent: 4822469 (1989-04-01), Shimomura et al.
patent: 5037518 (1991-08-01), Young et al.
patent: 5480518 (1996-01-01), Shane et al.
Bell Bruce F.
Crowley Richard P.
Whatman Inc.
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