Patent · US Active

Positive electrode active material comprising lithium-rich lithium manganese-based oxide in which coating layer including lithium-deficient transition metal oxide is formed, and positive electrode for lithium secondary battery comprising the same

US11258054B2 · kind B2 · utility

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4References
9Claims
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Key dates

Filing dateSep 7, 2018
Grant dateFeb 22, 2022
Priority date
Expiry dateSep 7, 2038

Classification

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

Abstract

A positive electrode active material contains a lithium-rich lithium manganese-based oxide represented by chemical formula (1), Li1+aNixCoyMnzMvO2−bAb  (1)

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