Separator for electrochemical device, electrode for electrochemical device, and electrochemical device
US8822082B2 · kind B2 · utility
7Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2008 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Nov 5, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator for an electrochemical device of the present invention includes a porous film including: a filler; an organic binder; and at least one resin selected from resin A that has a melting point of 80 to 140° C. and resin B that absorbs a non-aqueous electrolyte and swells upon heating and whose swelling degree increases with increasing temperature, and the filler contains boehmite having a secondary particle structure in which primary particles are connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.