Patent · US Expired

Battery separator and method of making same

US5180647A · kind A · utility

50Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1991
Grant dateJan 19, 1993
Priority date
Expiry dateSep 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.