Method for preparing negative electrode material of lithium ion battery
US9011731B2 · kind B2 · utility
4Cited by
2References
10Claims
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Key dates
| Filing date | Oct 28, 2012 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Apr 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for preparing a negative electrode material of a lithium ion battery is provided. In the method, a solvent-thermal reaction of a graphite material and a modifier precursor in an organic solvent is conducted to form a reaction product. And then, the reaction product is dried. Next, a heat treatment is applied to the dried reaction product to obtain the negative electrode material. The negative electrode material prepared by the method has improved cycle stability and high current performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.