Patent · US Expired

Method for reducing fuel cell output voltage to permit low power operation

US4202933A · kind A · utility

27Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1978
Grant dateMay 13, 1980
Priority date
Expiry dateOct 13, 1998

Classification

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

Abstract

Fuel cell performance is degraded by recycling a portion of the cathode exhaust through the cells and, if necessary, also reducing the total air flow to the cells for the purpose of permitting operation below a power level which would otherwise result in excessive voltage.

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