Separator of lithium ion battery, method for making the same, and lithium ion battery using the same
US8182948B2 · kind B2 · utility
9Cited by
1References
17Claims
0Family size
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Key dates
| Filing date | Feb 25, 2011 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Feb 25, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49115
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator of a battery includes a porous membrane and a modifier layer disposed on a surface of the porous membrane, wherein a material of the modifier layer is a dried mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide in a liquid phase solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.