Patent · US Expired

Proton-conducting membrane and use thereof

US7235320B2 · kind B2 · utility

27Cited by

2References

40Claims

0Family size

Assignee

Pemeas GmbH · DE

Inventors

Gordon Calundann · North Plainfield, US
Michael J. Sansone · Berkeley Heights, US
Oemer Uensal · Mainz, DE
Joachim Kiefer · Losheim am See, DE

Key dates

Filing date	Apr 9, 2002
Grant date	Jun 26, 2007
Priority date	—
Expiry date	Jan 29, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, because of its excellent chemical and thermal properties, be used in a variety of ways and is particularly useful as polymer electrolyte membrane (PEM) to produce membrane electrode units for PEM fuel cells.

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