Patent · US Active

Oxygen-consuming electrode with multilayer catalyst coating and process for the production thereof

US9243337B2 · kind B2 · utility

2Cited by

9References

13Claims

0Family size

Assignee

Covestro Duetschland AG · DE

Inventors

Thomas Turek · Boston, US
Imad Moussallem · Hanau, DE
Andreas Bulan · Langenfeld, DE
Norbert Schmitz · Euskirchen, DE
Peter Weuta · Leverkusen, DE

Key dates

Filing date	Jun 13, 2011
Grant date	Jan 26, 2016
Priority date	—
Expiry date	Dec 14, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A multilayer oxygen consuming electrode having a side facing the oxygen-containing gas and a side facing the alkaline electrolyte, wherein the electrode includes at least one support, and at least two layers containing a catalyst and a hydrophobic material, wherein the outermost layer facing the gas side has a lower proportion of catalyst than the outermost layer facing the electrode side and wherein the proportion of hydrophobic material is not more than 8% by weight based on the total amount of the catalyst the hydrophobic material.

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