Separator, lithium-ion battery, and electronic device
US12002989B2 · kind B2 · utility
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18Claims
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Assignee
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Key dates
| Filing date | Mar 16, 2021 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Nov 1, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator includes a porous substrate and a hybrid coating layer disposed on a surface of the porous substrate. The hybrid coating layer includes a plurality of polymer particles and a binder. Each polymer particle includes a shell and a cavity defined in the shell. The polymer particle can swell and damage when comes in contact with an electrolyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.