Title:
略長円形状電池
Document Type and Number:
Japanese Patent JP5040056
Kind Code:
B2
Abstract:
A generally oval battery including a battery case (2) having a generally oval cross section, a generally oval sealing plate (3) and an electrode plate assembly, the sealing plate (3) having a U-shaped cross section and the battery having a thickness of 4 mm or more and an aspect ratio of 3 or more, whereby the control of a vent for discharging gas that is generated in the battery is made easy and a battery is provided which has a discharge mechanism capable of discharging gas easily and safely, without requiring expensive equipment or many processing steps.
Inventors:
Masato Hase
Tatsuya Hashimoto
Tatsuya Hashimoto
Application Number:
JP2004039429A
Publication Date:
October 03, 2012
Filing Date:
February 17, 2004
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01M50/103
Domestic Patent References:
| JP1309253A | ||||
| JP11176396A | ||||
| JP2001126677A |
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii