Patent · US Active

Cobalt oxide for lithium secondary battery, preparing method thereof, lithium cobalt oxide for lithium secondary battery formed from the cobalt oxide, and lithium secondary battery including positive electrode comprising the lithium cobalt oxide

US11038169B2 · kind B2 · utility

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6Claims
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Key dates

Filing dateSep 5, 2017
Grant dateJun 15, 2021
Priority date
Expiry dateNov 4, 2037

Classification

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

Abstract

Provided are a cobalt oxide (Co3O4) for a lithium secondary battery, having an average particle diameter (D50) of about 14 μm to about 19 μm and a tap density of about 2.1 g/cc to about 2.9 g/cc, a method of preparing the cobalt oxide, a lithium cobalt oxide for a lithium secondary battery prepared from the cobalt oxide, and a lithium secondary battery including a cathode including the lithium cobalt oxide.

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