Patent · US Expired

Composite solid polymer electrolyte membranes

US6248469A · kind A · utility

158Cited by
37References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1999
Grant dateJun 19, 2001
Priority date
Expiry dateMar 3, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to composite solid polymer electrolyte membranes (SPEMs) which include a porous polymer substrate interpenetrated with an ion-conducting material. SPEMs of the present invention are useful in electrochemical applications, including fuel cells and electrodialysis.

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