Patent · US Expired

Electrodes for electrolysis purposes

US4212725A · kind A · utility

6Cited by

2References

9Claims

0Family size

Assignee

BASF SE

Inventors

Wolfgang Habermann
Peter Thoma · Mannheim, DE
Klaus Wintermantel · Weinheim, DE

Key dates

Filing date	Oct 30, 1978
Grant date	Jul 15, 1980
Priority date	—
Expiry date	Oct 30, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25B11/081
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

An electrode for electrolysis purposes, which may in particular be used as an anode for the electrolysis of alkali metal chlorides, contains, in addition to an alloy of niobium with a metal of the iron group, tantalum, tantalum carbide or an alloy of tantalum with metals of the iron group, individually or as mixtures. The surface of the electrode is modified with a metal of the platinum group, especially with rhodium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.