Title:
電池及びその製造方法
Document Type and Number:
Japanese Patent JP7343467
Kind Code:
B2
Abstract:
A battery disclosed herein includes: electrode bodies; an outer package which has an opening and which houses the electrode bodies; a sealing plate which seals the opening of the outer package and which has a through-hole and a recessed portion provided around the through-hole on a surface of a side opposing the electrode bodies; and a sealing member which seals the through-hole of the sealing plate. The sealing member has an inserted portion having been inserted to the through-hole and an enlarged diameter portion which extends from the inserted portion to inside of the outer package and which is formed with a larger diameter than the inserted portion. At least a part of the enlarged diameter portion is arranged inside the recessed portion of the sealing plate.
Inventors:
Ichiro Murata
Ryoichi Wakimoto
Hironori Marubayashi
Ryoichi Wakimoto
Hironori Marubayashi
Application Number:
JP2020206988A
Publication Date:
September 12, 2023
Filing Date:
December 14, 2020
Export Citation:
Assignee:
Prime Planet Energy & Solutions Co., Ltd.
International Classes:
H01M50/627; H01G11/80; H01G11/84; H01M10/04; H01M10/058; H01M50/103; H01M50/15; H01M50/645
Domestic Patent References:
| JP2013114799A | ||||
| JP2016143508A | ||||
| JP2016076346A | ||||
| JP2013084480A | ||||
| JP2014099351A | ||||
| JP54057135A | ||||
| JP2014212130A | ||||
| JP2020098687A |
Foreign References:
| CN206727177U |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Hiroaki Yamane
Koji Amano
Michiko Oi
Hiroaki Yamane
Koji Amano
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