Patent · US Expired

Battery pack with resin integrated substrate and vent

US7248021B2 · kind B2 · utility

13Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 2003
Grant dateJul 24, 2007
Priority date
Expiry dateMar 4, 2024

Classification

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

Abstract

Constructing a battery pack by: providing a resin sheet (40) to cover a release opening (20a) of a safety vent (20) formed on a sealing plate (23); integrating a rechargeable battery (2) and a circuit substrate (3) with a primary molding (11) by filing a resin between the rechargeable battery (2) and the circuit substrate (3); and then forming a secondary molding (12). In such constructed battery pack, an ejected gas, at the operation of the safety vent (20) of the battery pack, is externally released through an interface between the resin and metal.

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