Patent · US Expired

Gas diffusion electrode for polymer electrolyte membrane fuel cells

US6183898A · kind A · utility

35Cited by

4References

26Claims

0Family size

Assignee

Hoescht Research & Technology Deutschland GmbH & Co. KG · DE

Inventors

Arthur Koschany · Pocking, DE
Thomas Schwesinger · Kirchroth, DE
Christian Lucas · Braunschweig, DE
Georg Frank · Nürnberg, DE
Gregor Deckers · Frankfurt, DE
Thomas Soczka-Guth · Schelklingen, DE
Harald Bönsel · Niedernhausen, DE

Key dates

Filing date	Sep 2, 1999
Grant date	Feb 6, 2001
Priority date	—
Expiry date	Sep 2, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49108
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A particularly inexpensive, homogeneous and porous gas diffusion electrode which comprises at least one electrically conductive, hydrophobic and gas-permeable gas diffusion layer, comprising a mechanically stable support material which is impregnated with at least one electrically conductive material having a bulk conductivity of .gtoreq.10 mS/cm is produced. The gas diffusion electrode can be coated with a catalytically active layer. The electrodes of the invention are particularly suitable for use in fuel cells and electrolysis cells.

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