Separator for secondary battery, manufacturing method therefor, and lithium secondary battery comprising separator
US12401091B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Dec 10, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for manufacturing a separator for a secondary battery, and a lithium secondary battery comprising same. A separator for a lithium secondary battery, and a lithium secondary battery comprising same, the separator having excellent heat resistance, adhesive strength, air permeability and high-temperature shrinkage characteristics, which are significantly improved, and having an inorganic particle layer formed on one surface or both surfaces of a porous substrate layer, the inorganic particle layer being prepared from a slurry comprising inorganic particles and a condensation-suppressed silane-based hydrocondensate having excellent binding force between organic and inorganic materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.