Cathode active material for lithium secondary batteries surface-treated with fluorine copolymer and method of manufacturing the same
US10418634B2 · kind B2 · utility
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Key dates
| Filing date | Nov 7, 2014 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Oct 17, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a cathode active material for lithium secondary batteries including lithium-containing metal oxide particles; a first surface treatment layer formed on the surfaces of the lithium-containing metal oxide particles and including at least one compound selected from the group consisting of fluorine-doped metal oxides and fluorine-doped metal hydroxides; and a second surface treatment layer formed on a surface of the first surface treatment layer and including a fluorine copolymer, and a method of manufacturing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.