Patent · US Active

Secondary batteries

US10985353B2 · kind B2 · utility

0Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 2012
Grant dateApr 20, 2021
Priority date
Expiry dateJun 16, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention pertains to a secondary battery comprising at least one separator, said separator comprising at least one fluorinated polymer [polymer (F)], said polymer (F) comprising recurring units derived from vinylidene fluoride (VDF), hexafluoropropylene (HFP) and at least one (meth)acrylic monomer (MA) having formula (I) here below, wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —ROH is a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.