Patent · US Active

Membrane electrode assembly and fuel cells with improved lifetime

US8815467B2 · kind B2 · utility

0Cited by

8References

21Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Schmidt · Neustadt, DE
Oliver Gronwald · Frankfurt, DE
Detlef Ott · Lübeck, DE
Christoph Hartnig · Eppstein, DE

Key dates

Filing date	Nov 30, 2011
Grant date	Aug 26, 2014
Priority date	—
Expiry date	Jun 27, 2032

Classification

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

Abstract

The present invention relates to a membrane electrode assembly comprising at least two electrochemically active electrodes separated by at least one polymer electrolyte membrane, the aforementioned polymer electrolyte membrane having fibrous reinforcing elements which at least partly penetrate the polymer electrolyte membrane, wherein at least some of the fibrous reinforcing elements have functional groups which have a covalent chemical bond between the fibers and the polymer of the polymer electrolyte membrane.The membrane electrode assembly is suitable for applications in fuel cells, especially in high-temperature polymer electrolyte fuel cells.

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