Title:
円筒形電池
Document Type and Number:
Japanese Patent JP6477334
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cylindrical battery that has a current interruption mechanism hardly damaged even when suffering an impact or vibration from the external.SOLUTION: In a cylindrical battery including an electrode body in which a positive electrode plate and a negative electrode plate are wound through a separator, electrolytic solution, a bottomed cylindrical outer can, and a sealing body which is caulked through a gasket to an opening portion of the outer can, the sealing body has a valve body having an annular projecting portion, an insulation member which is disposed on the inner periphery of the projecting portion of the valve body and has a skirt portion, and a metal plate which is disposed at the inner peripheral portion of the skirt portion of the insulation member and connected to the central portion of the valve body, and the metal plate is caulked through the insulation member by the projecting portion of the valve body.SELECTED DRAWING: Figure 6
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Inventors:
Shuji Sugimoto
Kyosuke Miyata
Okutani
Kazuki Kodaira
Tomohiko Yokoyama
Shinya boss
Kyosuke Miyata
Okutani
Kazuki Kodaira
Tomohiko Yokoyama
Shinya boss
Application Number:
JP2015150197A
Publication Date:
March 06, 2019
Filing Date:
July 30, 2015
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H01M2/34; H01M2/04; H01M2/06
Domestic Patent References:
| JP8007866A | ||||
| JP10154530A |
Foreign References:
| WO2014097586A1 |
Attorney, Agent or Firm:
Tokuda Yoshiaki
Hiroki Nishida
Hiroki Nishida