Lithium secondary battery including separator with ceramic layer having first ceramic particle bonded to second ceramic particle and manufacturing method the same
US11289768B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Sep 17, 2019 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Nov 24, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a lithium secondary battery including: a positive electrode; a negative electrode; an electrolyte; and a separator including a separator substrate and a ceramic layer formed on one surface or both surfaces of the separator substrate. Particularly, the ceramic layer may include a first ceramic particle including an epoxide group and a second ceramic particle including an amine group, and the first ceramic particle may be chemically bonded to the second ceramic particle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.