Method for improving the performance of nickel electrodes

US9273403B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Andreas Bulan · Langenfeld, DE
• Rainer Weber · Leverkusen, DE
• Richard Malchow
• Rolf Spatz · Bensberg, DE
• Hermann-Jens Womelsdorf · Leverkusen, DE

Key dates

• Filing date: Sep 4, 2012
• Grant date: Mar 1, 2016
• Expiry date: Sep 4, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C25D21/18
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to a method for improving the performance of nickel electrodes in alkali chloride electrolysis by adding water-soluble platinum compounds to the catolyte.