Separator for electrochemical device comprising inorganic coating layer and method for manufacturing the same
US11728542B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jun 12, 2019 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Dec 25, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator for an electrochemical device, including a porous substrate and an inorganic coating layer formed on at least one surface of the porous substrate and method for manufacturing the same are provided. The inorganic coating layer includes a binder resin and inorganic particles, and the binder resin includes a polyvinylidene fluoride-based resin and shows a low electrolyte absorption ratio. The separator has excellent adhesion with an electrode and shows low resistance characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.