Active material for lithium ion battery having Al-containing lithium titanate and lithium ion battery
US7879265B2 · kind B2 · utility
1Cited by
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5Claims
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Key dates
| Filing date | Mar 22, 2006 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Jul 10, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
It is an object of the present invention to provide an active material for lithium ion battery capable of producing a lithium ion battery having an excellent high rate charge and discharge performance and a lithium ion battery having an excellent high rate charge and discharge performance. The present invention provides an active material for lithium ion battery represented by a composition formula: Li[Li(1-x)/3AlxTi(5-2x)/3]O4 (⅛≦x<1) lithium titanate is substituted with Al, and a lithium ion battery using this active material as a negative electrode active material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.