Patent · US Expired

Microtextured catalyst transfer substrate

US6136412A · kind A · utility

72Cited by
86References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1999
Grant dateOct 24, 2000
Priority date
Expiry dateAug 6, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31942
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This invention also provides methods to make the membrane electrode assembly of the invention. The membrane electrode assembly of this invention is suitable for use in electrochemical devices, including proton exchange membrane fuel cells, electrolyzers, chlor-alkali separation membranes, and the like.

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