Patent · US Active

Gas diffusion layer

US8372557B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

SGL CARBON SE · DE

Inventors

Peter Wilde · Meitingen, DE
Rüdiger-Bernd Schweiss · Meitingen, DE

Key dates

Filing date	Dec 20, 2010
Grant date	Feb 12, 2013
Priority date	—
Expiry date	Dec 20, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A carbon-fiber-based gas diffusion layer (GDL) for use in polymer electrolyte membrane (PEM) fuel cells (FC) having structured hydrophilic properties, wherein materials with hydrophilic properties and selected from the group of metal oxides in an average domain size of 0.5 to 80 μm are present as hydrophilic wicks in the gas diffusion layer.

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