Gas diffusion electrodes and process for production thereof

US9714472B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Andreas Bulan · Langenfeld, DE
• Jürgen Kintrup · Leverkusen, DE
• Norbert Schmitz · Euskirchen, DE
• Alexander Karpenko · Leverkusen, DE
• Jens A;mann · Haan, DE

Key dates

• Filing date: Sep 14, 2012
• Grant date: Jul 25, 2017
• Expiry date: Oct 25, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/50
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A gas diffusion electrode is described, especially for use in chloralkali electrolysis, said gas diffusion electrode having finely divided components on the liquid side. The electrode is notable for a low perviosity to gases and a lower operating voltage.