Battery separator and method of making same
US5180647A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1991 |
| Grant date | Jan 19, 1993 |
| Priority date | — |
| Expiry date | Sep 19, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery separator comprises a fibrous mat which is filled with a mixture of very fine mineral powder and a binder resin. The mat may be either woven or nonwoven and the filler material generally comprises silicon materials. The binder in selected from a group of organic resinous or plastic materials, such as latex. The separator may further comprise a second attached mat of mineral or organic fibers or ribs. Further, the separator may be crimped or embossed if desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.