Patent · US Active

Method to maximize fuel cell voltage during start-up

US8178252B2 · kind B2 · utility

1Cited by
2References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 14, 2007
Grant dateMay 15, 2012
Priority date
Expiry dateJan 29, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method of operating a fuel cell system is disclosed, the method including the steps of providing a fuel cell stack including a plurality of fuel cell assemblies, each fuel cell assembly having a proton exchange membrane disposed between a plurality of fuel cell plates, wherein water is purged from the fuel cell system during a shutdown operation, and a current is produced in the fuel cell system following the shutdown purge to produce product water to hydrate the proton exchange membrane.

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