Negative active material for rechargeable lithium battery and rechargeable lithium battery
US8048568B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jan 6, 2004 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Apr 25, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a negative active material for a rechargeable lithium battery including ultra-fine particles comprising an element which is capable of alloying with lithium. The particles have a diameter of 1 nm to 200 nm, a Raman shift of 480 cm−1 to 520 cm−1 measured by Raman Spectroscopy, and a full width at half-maximum of 10 cm−1 to 30 cm−1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.