Patent · US Expired

Batteries with electroactive nanoparticles

US5952125A · kind A · utility

52Cited by
13References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 1997
Grant dateSep 14, 1999
Priority date
Expiry dateJul 21, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Batteries based on nanoparticles are demonstrated that achieve high energy densities. Vanadium oxide nanoparticles can have several different stoichiometries and corresponding crystal lattices. The nanoparticles preferably have average diameters less than about 500 nm and more preferably less than about 150 nm. Cathodes produced using the vanadium oxide nanoparticles and a binder can be used to construct lithium batteries or lithium ion batteries. The nanoparticles may have energy densities greater than about 900 Wh/kg.

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