Lithium-ion secondary cell
US10020489B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Mar 14, 2013 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Jun 14, 2034 |
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 cell according to the present invention is provided with a positive electrode and a negative electrode. The positive electrode contains a lithium-manganese composite oxide partially substituted by magnesium as a positive electrode active material. The negative electrode contains a graphite coated with amorphous carbon as a negative electrode active material, a carbon black-based conductive aid and a fluororesin-based binding agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.