Positive electrode active material, method of preparing the same, and lithium secondary battery including the same
US11563211B2 · kind B2 · utility
0Cited by
0References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2018 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Nov 5, 2038 |
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, wherein the positive electrode active material is a lithium transition metal oxide including a first doping element (A) and a second doping element (B), wherein the first doping element is one or more selected from the group consisting of Zr, La, Ce, Nb, Gd, Y, Sc, Ge, Ba, Sn, Sr, Cr, Mg, Sb, Bi, Zn, and Yb,the second doping element is one or more selected from the group consisting of Al, Ta, Mn, Se, Be, As, Mo, V, W, Si, and Co, and a weight ratio (A/B ratio) of the first doping element to the second doping element is 0.5 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.