Method for increasing reversible lithium intercalation capacity in carbon electrode secondary batteries
US6066413A · kind A · utility
12Cited by
5References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 6, 1997 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | Mar 6, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Mechanical grinding of graphite, soft carbon coke, or hard carbon over the range of 20-80 hours produces carbon powders which may be incorporated into secondary lithium battery electrodes to yield improved reversible lithium intercalation capacity of up to about 708 mAh/g, thus approximating Li.sub.2 C.sub.6, with irreversible intercalation of only about 328 mAh/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.