Separator for electric double layer capacitor and electric double layer capacitor containing same
US7616428B2 · kind B2 · utility
2Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2005 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Nov 1, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator for an electric double layer capacitor, characterized in that a thickness of the entire separator is 25 μm or less, a layer of an ultrafine fibrous aggregate prepared by an electrostatic spinning process is contained, an average fiber diameter of ultrafine fibers constituting the ultrafine fibrous aggregate layer is 1 μm or less, and a maximum pore size of the ultrafine fibrous aggregate is not more than 3 times a mean flow pore size is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.