Negative active material including Si active metal grains and Cu—Al metal matrix surrounding Si active metal grains and rechargeable lithium battery including negative active material
US9284630B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Nov 28, 2006 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Jul 26, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the negative active material have a negative active material including either Si or Sn active metal grains and a metal matrix composed of at least two metal elements that surrounds the active metal grains but does not react therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.