Title:
二次電池
Document Type and Number:
Japanese Patent JP6446239
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a secondary battery capable of improving sealability caused by a gasket and uniformizing dimensions of the compressed gasket.SOLUTION: A secondary battery includes a gasket 2 to be compressed between an external terminal 20 and a battery lid 12 to seal a through hole 12a. The external terminal 20 and the battery lid 12 respectively include adhesion portions 21a, 12b to be stuck close to a sealing section S of the gasket 2. The gasket 2 includes a compression portion 2f to be compressed from a state projected at least to one adhesion portion 21a by the adhesion portion 21a. A recess 2e for receiving the compressed compression portion 2f is formed on the gasket 2 or the adhesion portion 21a.SELECTED DRAWING: Figure 5A
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Inventors:
Hiroaki Egawa
Koichi Kajiwara
Umino Akira
Koichi Kajiwara
Umino Akira
Application Number:
JP2014223282A
Publication Date:
December 26, 2018
Filing Date:
October 31, 2014
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
H01M2/08; H01M2/04; H01M2/30
Domestic Patent References:
| JP2011165643A | ||||
| JP2011023161A | ||||
| JP2010277742A | ||||
| JP2006216411A |
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Toshiaki Watanabe
Sekiya Mitsuo
Toshiaki Watanabe