Positive electrode active material and lithium secondary battery including the same
US11978891B2 · kind B2 · utility
1Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2020 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Jan 29, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a positive electrode active material, in which primary particles included in a secondary particle exhibit an aspect ratio gradient which gradually increases from the center of the secondary particle to the surface thereof, and a lithium secondary battery which uses a positive electrode containing the positive electrode active material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.