Positive active material for rechargeable lithium battery
US7309546B2 · kind B2 · utility
30Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2002 |
| Grant date | Dec 18, 2007 |
| Priority date | — |
| Expiry date | Oct 21, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a positive active material for a rechargeable lithium battery, including a lithiated intercalation compound and an additive compound. The additive compound comprises one or more intercalation element-included oxides which have a charging voltage of 4.0 to 4.6V when 5-50% of total intercalation elements of the one or more intercalation element-included oxides are released during charging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.