Hydrogen-evolution electrode having high durability and stabilit

Details Hydrogen-evolution electrode having high durability and stabilit Hydrogen-evolution electrode having high durability and stabilit

1990-08-06

1992-01-28

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204291, C25B 1106

Patent

active

050841548

ABSTRACT:
A highly durable, stable electrode having a coating comprised of an oxide of at least one metal selected from nickel and cobalt, which coating additionally contains titanium and zirconium components in proportions of 0.1. to 3.5% in terms of atomic percentage of titanium and 0.1 to 3% in terms of atomic percentage of zirconium, respectively. The electrode can advantageously be used in electrolyses in which hydrogen is evolved on the electrode, such as electrolyses of an alkali metal chloride and water. The electrode advantageously exhibits a low hydrogen overvoltage, enabling electrolysis to be performed stably for a prolonged period of time.

REFERENCES:
patent: 3977958 (1976-08-01), Caldwell et al.
patent: 3992278 (1976-11-01), Malkin et al.
patent: 4496453 (1985-01-01), Yoshida et al.
patent: 4605484 (1986-08-01), Shiroki et al.
patent: 4839015 (1989-06-01), Wakamatsu et al.

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