Patent · US Active

Nonaqueous cell with improved thermoplastic sealing member

US7670715B2 · kind B2 · utility

3Cited by
37References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 2004
Grant dateMar 2, 2010
Priority date
Expiry dateJul 6, 2027

Classification

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

Abstract

An electrochemical battery cell with an improved thermoplastic sealing member. The seal member is made from a thermoplastic resin comprising polyphthalamide or impact modified polyphenylene sulfide. The seal member provides an effective seal vent over a broad temperature range and has a low electrolyte vapor transmission rate.

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