Method of preparing positive electrode active material for lithium secondary batteries
US10008720B2 · kind B2 · utility
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Key dates
| Filing date | Jul 31, 2014 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Oct 25, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method of preparing a positive electrode active material for lithium secondary batteries, the method including pre-activating at least one lithium transition metal oxide selected from compounds represented by Formula (1) below and modifying a surface of the pre-activated lithium transition metal oxide: (1−x)LiM′O2−yAy−xLi2MnO3−y′Ay′ (1),
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