Carbon material, carbon material-active material composite, electrode material for lithium-ion secondary battery, and lithium-ion secondary battery
US10644318B2 · kind B2 · utility
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Key dates
| Filing date | May 10, 2016 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Sep 12, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a carbonaceous material capable of enhancing the initial charge and discharge efficiency and the cycle characteristics of lithium ion secondary batteries. The carbonaceous material is used as an electrode material for a lithium ion secondary battery and has a volume resistivity of 0.7 Ω·cm or less as measured at a pressure of 13 MPa in the form of a mixture of 5 wt % of the carbonaceous material and 95 wt % of lithium cobaltate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.