Nonaqueous lithium secondary battery with carbon electrodes
US7838150B2 · kind B2 · utility
4Cited by
8References
10Claims
0Family size
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Key dates
| Filing date | Nov 7, 2001 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Aug 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nonaqueous lithium secondary battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein: 1) the positive electrode comprises a porous carbonaceous material whose BET specific surface area is at least 500 m2/g, or a mixture of a porous carbonaceous material whose BET specific surface area is at least 500 m2/g and a material capable of electrochemically occluding and releasing lithium; and 2) the negative electrode comprises a carbonaceous material whose BET specific surface area is 20 to 1000 m2/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.