Binder for batteries, and electrode compositions and batteries incorporating same
US5707763A · kind A · utility
72Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1996 |
| Grant date | Jan 13, 1998 |
| Priority date | — |
| Expiry date | Jun 18, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A binder for use in batteries which is in the form of an aqueous or nonaqueous dispersion or a powder comprising core-shell composite fine particles 0.05 to 1 .mu.m in mean particle size and each having a core of a fibrillating polytetrafluoroethylene and a shell of a nonfibrillating polymer, the composite fine particles having a core-to-shell ratio by weight of 98:2 to 50:50, and electrode compositions and batteries incorporating the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.