Patent · US Expired

Active material for lithium secondary battery and method of preparing active material

US7316865B2 · kind B2 · utility

8Cited by
10References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2002
Grant dateJan 8, 2008
Priority date
Expiry dateMay 13, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A process of manufacturing a positive active material for a lithium secondary battery includes preparing a coating-element-containing organic suspension by adding a coating-element source to an organic solvent, adding water to the suspension to prepare a coating liquid, coating a positive active material with the coating liquid, and drying the coated positive active material.

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