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Patent Searching and Data


Title:
BATTERY AND METHOD FOR MANUFACTURING BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/196172
Kind Code:
A1
Abstract:
A battery according to the present disclosure is provided with: a case having a cylindrical lateral surface section, an opening section, and a bottom section; an electrode group that is accommodated in the case together with an electrolytic solution and that has a first electrode and a second electrode; a first lead that has a first end section electrically connected to the first electrode and that is welded to the cylindrical lateral surface section; a cap for sealing the opening section; and a gasket provided between the opening section and the cap. A groove section for compressing a portion of the gasket is formed in a portion of the cylindrical lateral surface section. The gasket has a cylindrical section that extends towards the bottom section side in such a manner as to be continuous with a compressed section. The first lead is not sandwiched between the cylindrical lateral surface section and the compressed section and is in contact with the cylindrical section. A second end section of the first lead is located closer to the opening section than the electrode group is.

Inventors:
INOUE TAKAHIRO
KODAMA YASUNOBU
UEDA HIDEYUKI
Application Number:
PCT/JP2022/004534
Publication Date:
September 22, 2022
Filing Date:
February 04, 2022
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M10/04; H01M10/0587; H01M50/107; H01M50/184; H01M50/186; H01M50/533; H01M50/545; H01M50/566; H01M10/052; H01M10/0566
Foreign References:
JP2006278195A2006-10-12
JP2014222670A2014-11-27
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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