Patent · US Expired

Air manager system for recirculating reactant air in a metal-air battery

US5560999A · kind A · utility

68Cited by
83References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1995
Grant dateOct 1, 1996
Priority date
Expiry dateMay 22, 2015

Classification

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

Abstract

An air manager is disclosed which recirculates reactant air in a battery and exchanges only a minimal amount of recirculated air for ambient air that is necessary to maintain a sufficient oxygen concentration in the battery. In the air manager, the reactant air is recirculated in a defined air pathway that provides reactant air to the entire area of all the air cathodes. A catalyst element is also provided in the air manager to convert the hydrogen gas that is generated during the recharge of a metal-air battery to water vapor. The air manager is nevertheless compact and lightweight so that the resulting battery is portable.

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