Patent · US Expired

Composite ion exchange material

US6902801B2 · kind B2 · utility

7Cited by
2References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 2001
Grant dateJun 7, 2005
Priority date
Expiry dateMar 21, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31909
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A composite material, for example a composite membrane for a polymer electrolyte membrane fuel cell includes a first conductive polymer and a support material for the polymer, wherein the support material comprises a second conductive polymer. A method making of the composite material is also disclosed as is its use as a polymer electrolyte membrane in a fuel cell.

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