Patent · US Expired

Lithium secondary battery with sealed casing members

US6468692B1 · kind B1 · utility

38Cited by
3References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 2000
Grant dateOct 22, 2002
Priority date
Expiry dateMay 26, 2020

Classification

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

Abstract

A lithium secondary battery contains an electrode body obtained by winding a positive electrode and a negative electrode via a separator, a non-aqueous electrolytic solution, and a battery case accommodating the electrode body and the non-aqueous electrolytic solution. A lid and a metal foil are adhered to each other with a resin to form a pressure-releasing valve and make air-tight the inside of the battery case. This secondary battery is easy to produce and has excellent operational safety and excellent reliability.

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