Title:
電池
Document Type and Number:
Japanese Patent JP7365709
Kind Code:
B2
Abstract:
A battery includes a battery can which includes a cylindrical portion having an opening edge portion at one end portion and a bottom portion closing the other end portion of the cylindrical portion, an electrode assembly which is housed in the cylindrical portion, and an opening sealing body which seals an opening formed in the opening edge portion. The opening sealing body includes a terminal portion and a gasket interposed in a compressed state between the terminal portion and the opening edge portion. The opening edge portion includes at least a base portion extending in an axial direction of the cylindrical portion and a tongue portion protruding from the base portion, and the tongue portion extends inward in a radial direction of the cylindrical portion so as to cover an upper surface of the gasket.
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Inventors:
Tatsuya Hirano
Kazunori Kodaira
Kazunori Kodaira
Application Number:
JP2020563149A
Publication Date:
October 20, 2023
Filing Date:
December 19, 2019
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H01M50/107; H01M50/184; H01M50/188; H01M50/56
Domestic Patent References:
| JP2011204623A | ||||
| JP10134790A |
Foreign References:
| WO2011092845A1 |
Attorney, Agent or Firm:
Patent Attorney Kawasaki Patent Office
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