Crosslinked polyolefin separator having inorganic coating layer and high power secondary battery comprising the same
US11804635B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Jun 20, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator comprising a crosslinked polyolefin substrate having a plurality of pores and an inorganic coating layer having internal pores formed on at least one surface of the crosslinked polyolefin substrate. The inorganic coating layer on the at least one surface of the crosslinked polyolefin substrate has internal pores formed by an immersion phase separation method, and a high power secondary battery including the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.