Patent · US Expired

Composite electrolyte membranes for fuel cells and methods of making same

US6716548B1 · kind B1 · utility

28Cited by
5References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1999
Grant dateApr 6, 2004
Priority date
Expiry dateDec 20, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to composite electrolyte membranes for fuel cells and methods of making same. More specifically, the present invention is directed to proton-conducting membranes for fuel cell applications. The present invention further describes materials which reach high intrinsic proton conductivity and are suitable for use as electrolytic membranes in methanol fuel cells.

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