Lithium cobaltate based positive electrode-active material for lithium secondary cell and method of manufacturing same
US5891416A · kind A · utility
10Cited by
6References
4Claims
0Family size
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Key dates
| Filing date | Oct 11, 1996 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Oct 11, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium cobaltate based positive electrode-active material for a lithium secondary cell consisting of lithium cobaltate (LiCoO.sub.2) powder having particle properties of an n-value of at least 2.0 in Rosine-Rammler's distribution (R-.lambda.). According to the present invention, it is possible to provide a lithium cobaltate based positive electrode-active material which is excellent in discharge capacity and capacity holding rate and gives high energy density, suitable for a lithium secondary cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.