Reduction of steel cathode overpotential

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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204292, C25F 106, C25F 306

Patent

active

041629493

ABSTRACT:
The hydrogen overpotential of a steel cathode for use in the electrolysis of aqueous alkali metal solutions in diaphragm electrolytic cells is reduced by depolarization in a highly alkaline electrolyte. The reduction results in an appreciable reduction of the overall electrical energy required to effect electrolysis of said solutions.

REFERENCES:
patent: 3709803 (1973-01-01), Gulick
patent: 4010086 (1977-03-01), Barrett et al.
patent: 4080278 (1978-03-01), Ravier et al.

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