Electrical conditioning system for electrodes in an electrolysis

Details Electrical conditioning system for electrodes in an electrolysis Electrical conditioning system for electrodes in an electrolysis

1987-04-10

1989-01-03

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041445, 204228, C25B 104, C25F 100

Patent

active

047955376

ABSTRACT:
Metal electrodes (17,20) defining a cathode and anode are positioned in an electrolyte (28) so as to comprise an electrolysis cell (18). An electrical conditioning circuit (10) includes means for generating a pulsating DC voltage signal, which is connected to the metal electrodes (17,20). Particular characteristics of the pulsating signal, including in particular peak pulse voltage and duty cycle, have selected values such that hydrogen is produced from one electrode (17) and the other electrode (20) is maintained substantially in a state of depassivation, such that any oxide, scale or other inorganic compound pre-existing on the other electrode is removed and further such that the other electrode remains substantially clean.

REFERENCES:
patent: 3242064 (1966-03-01), Byrne
patent: 3294666 (1966-12-01), Wiersma
patent: 3980053 (1976-09-01), Horvath

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