Patent · US Expired

Oxidatively stable microlayers of gas diffusion layers

US7608334B2 · kind B2 · utility

2Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2005
Grant dateOct 27, 2009
Priority date
Expiry dateMay 4, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31544
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention is a microlayer for use with an electrically conductive porous substrate of a gas diffusion layer. The microlayer includes carbon particles and a polymeric composition of first highly-fluorinated polymers that are non-melt processable and second highly-fluorinated polymers that are melt processable.

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