Lithium ion secondary battery
US7976983B2 · kind B2 · utility
5Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2007 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | Mar 7, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium ion secondary battery including a positive electrode including a lithium composite oxide represented by the general formula (1): LixM1-yLyO2 (0.85≦x≦1.25 and 0≦y≦0.50; M is at least one selected from the group consisting of Ni and Co; and L is at least one selected from the group of alkaline earth elements, transition elements other than Ni and Co, rare earth elements, and elements of Group IIIb and Group IVb). The lithium composite oxide is treated with a coupling agent having a plurality of hydrolyzable groups, and the remaining hydrolyzable group is inactivated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.