Method of preparing positive active material with low carbon content for rechargeable lithium battery
US8343663B2 · kind B2 · utility
12Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2008 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Apr 16, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a method of preparing a positive active material for a rechargeable lithium battery. The positive active material includes a lithium/nickel-based compound wherein primary particles having an average particle diameter ranging from 1 μm to 4 μm are agglomerated to form secondary particles. The positive active material of the present invention has excellent electrochemical performance and outstanding inhibition to swelling at high temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.