Separator for electrochemical element having improved electrolyte wettability and electrochemical element comprising same separator
US10581045B2 · kind B2 · utility
1Cited by
0References
12Claims
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Key dates
| Filing date | Apr 29, 2016 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Nov 24, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a separator for an electrochemical element having improved electrolyte wettability and an electrochemical element comprising the separator, in which a layer containing at least two binder polymers having different slopes on the frequency-storage modulus curve is formed on a surface of the separator, and with one of the binder polymers being concentratedly distributed on the surface of the separator, the separator and the electrode can be securely attached, and with the other binder polymer being permeated and coated onto a porous polymer substrate, electrolyte wettability can be enhanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.