Patent · US Active

Rechargeable battery

US8927141B2 · kind B2 · utility

3Cited by
4References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 21, 2010
Grant dateJan 6, 2015
Priority date
Expiry dateMay 20, 2032

Classification

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

Abstract

A rechargeable battery includes an electrode assembly having a positive electrode, a negative electrode, and a separator located between the positive electrode and the negative electrode; a case housing the electrode assembly, the case having an opening; a cap assembly including a cap plate coupled to the opening of the case and a vent member on the cap plate adapted to discharge a gas from the case; and a separation member located between the electrode assembly and the cap plate to prevent the electrode assembly from significantly moving toward the cap plate.

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