Non-aqueous electrolyte secondary battery negative electrode material, making method, and lithium ion secondary battery
US7358011B2 · kind B2 · utility
40Cited by
5References
7Claims
0Family size
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Key dates
| Filing date | Nov 26, 2003 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Nov 8, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A non-aqueous electrolyte secondary battery negative electrode material is provided wherein a negative electrode active material containing a lithium ion-occluding and releasing material which has been treated with an organosilicon base surface treating agent is surface coated with a conductive coating. Using the negative electrode material, a lithium ion secondary battery having a high capacity and improved cycle performance is obtainable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.