Non-contaminating anode suitable for electrowinning applications
US4051000A · kind A · utility
7Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1975 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Oct 28, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C7/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A non-contaminating electrode is provided suitable as an insoluble anode for the electrowinning of metals from an electrolyte solution, said electrode comprising a metal substrate formed of a metal selected from the group consisting of titanium, zirconium, tantalum and alloys thereof, said metal substrate having a flash metal coating of a platinum-group metal thereon, which coating in turn is covered by an intermediate adherent layer of lead dioxide, said lead dioxide layer in turn having an adherent overlayer of manganese dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.