Patent · US Expired

Lithium-titanium-oxide anodes for lithium batteries

US6221531A · kind A · utility

74Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1999
Grant dateApr 24, 2001
Priority date
Expiry dateJul 8, 2019

Classification

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

Abstract

A spinel-type structure with the general formula Li[Ti.sub.1.67 Li.sub.0.33-y M.sub.y ]O.sub.4, for 0<y.ltoreq.0.33, where M=Mg and/or Al. The structure is usefid as a negative electrode for a non-aqueous electrochemical cell and in a non-aqueous battery comprising an plurality of cells, electrically connected, each cell comprising a negative electrode, an electrolyte and a positive electrode, the negative electrode consisting of the spinel-type structure disclosed.

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