Patent · US Active

Battery separators with controlled pore structure

US11239531B2 · kind B2 · utility

1Cited by
47References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2018
Grant dateFeb 1, 2022
Priority date
Expiry dateNov 16, 2038

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed are battery separators comprising glass fibers and having a basis weight (gsm), a specific surface area (m2/g), a density (gsm/mm) and a mean pore size (μm), which satisfy the equation disclosed herein. Also disclosed are batteries comprising the battery separators, and processes for making the separators.

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