Separator, secondary battery comprising same and related battery module, battery pack and device
US12300850B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2022 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Sep 9, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present application relates to a separator, comprising a substrate and a coating formed on at least one surface of the substrate, wherein the coating comprises inorganic particles and first organic particles embedded in the inorganic particles and forming protrusions on the surface of the coating, and the first organic particles have a primary particle morphology and a number-average particle size of ≥2 μm. The present application also relates to a secondary battery comprising the separator, a device comprising the secondary battery and a method for preparing the separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.