Patent · US Expired

Bipolar plates for fuel cell and fuel cell comprising same

US6649297B1 · kind B1 · utility

18Cited by
12References
29Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 28, 2001
Grant dateNov 18, 2003
Priority date
Expiry dateJun 28, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53135
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a bipolar plate for a fuel cell comprising on at least one of its faces at least one flute able to form with the surface of an adjacent electrode at least one gas distribution channel, wherein said distribution channel has a shape or geometry such that the liquid of the biphasic flow flowing in said channel may be moved away from said electrode surface.The invention also relates to a method for preparing such a bipolar plate and to a fuel cell comprising at least one of such bipolar plates.

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