Patent · US Active

Positive electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery including the same

US8173301B2 · kind B2 · utility

17Cited by
5References
17Claims
0Family size

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Key dates

Filing dateNov 5, 2008
Grant dateMay 8, 2012
Priority date
Expiry dateJan 7, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A positive electrode active material for a non-aqueous electrolyte secondary battery including a lithium-containing transition metal oxide having a closest-packed cubic structure of oxygen, the lithium-containing transition metal oxide having a composition represented by the formula (1):Li[Lip(NixMnyCoz)1-p]O2,where x, y, and z represent element contents of nickel, manganese, and cobalt, respectively, and satisfies 0.2+y≦x≦0.7, 0.15≦y, 0.05≦z, x+y+z=1, and 0≦p≦0.1.

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