Method of preparing negative active material for rechargeable lithium battery, and negative active material and rechargeable lithium battery prepared from the same
US9580322B2 · kind B2 · utility
3Cited by
4References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 19, 2013 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Aug 29, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a method of preparing a negative active material for a rechargeable lithium battery that includes preparing a solution including spherically shaped natural graphite particles and a solvent, ultrasonic wave-treating the solution, and drying the ultrasonic wave-treated solution to prepare graphite modified particles, and a rechargeable lithium battery prepared therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.