Patent · US Expired

Proton conducting membrane for fuel cells

US7195835B2 · kind B2 · utility

1Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 2005
Grant dateMar 27, 2007
Priority date
Expiry dateDec 1, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An ion conducting membrane comprising dendrimeric polymers covalently linked into a network structure. The dendrimeric polymers have acid functional terminal groups and may be covalently linked via linking compounds, cross-coupling reactions, or copolymerization reactions. The ion conducting membranes may be produced by various methods and used in fuel cells.

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