Composite separator, method of preparing the same, and lithium secondary battery including the same
US11462803B2 · kind B2 · utility
0Cited by
4References
22Claims
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Key dates
| Filing date | Nov 28, 2018 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Feb 28, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite separator includes: a porous substrate; and a composite electrolyte on a surface of the porous substrate, the composite electrolyte including block copolymer, an ionic liquid, and a particle, wherein a size of the particle is larger than a pore size of the porous substrate, the particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and the particle has a particle size of greater than about 1 micrometer to about 100 micrometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.