Positive electrode active material for lithium secondary battery
US10490809B2 · kind B2 · utility
1Cited by
0References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2015 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Oct 27, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments of the inventive concepts described herein relate to a positive electrode active material for lithium secondary battery, and more particularly, relate to a positive electrode active material for a lithium secondary battery having a new structure which includes a core portion having gradients of concentrations of nickel, manganese, and cobalt in a direction from a center to a surface and in which each of the concentration gradients of nickel, manganese, and cobalt has at least one vertex in the core portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.