Method for preventing degradation in activity of a low hydrogen overvoltage cathode
US4539083A · kind A · utility
5Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1984 |
| Grant date | Sep 3, 1985 |
| Priority date | — |
| Expiry date | Jul 26, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B1/46
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a method for preventing a low hydrogen overvoltage cathode from degradation in activity characterized by adding a reducing agent to a cathode compartment of an electrolytic cell which electrolysis an aqueous alkali metal halide solution. According to the invention, no degradation takes place even after repeated shutdown of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.