Cobalt oxide for lithium secondary battery, preparing method thereof, lithium cobalt oxide formed from the cobalt oxide, and lithium secondary battery having positive electrode including the lithium cobalt oxide
US10892484B2 · kind B2 · utility
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Key dates
| Filing date | Sep 12, 2017 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Oct 15, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cobalt oxide for a lithium secondary battery, a method of preparing the cobalt oxide; a lithium cobalt oxide for a lithium secondary battery formed from the cobalt oxide; and a lithium secondary battery having a positive electrode including the lithium cobalt oxide, the cobalt oxide having a tap density of about 2.8 g/cc to about 3.0 g/cc, and an intensity ratio of about 0.8 to about 1.2 of a second peak at 2θ of about 31.3±1° to a first peak at 2θ of about 19±1° in X-ray diffraction spectra, as analyzed by X-ray diffraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.