Title:
二次電池及びその製造方法
Document Type and Number:
Japanese Patent JP7098901
Kind Code:
B2
Abstract:
A secondary battery includes an electrode body that includes a positive-electrode sheet and a negative-electrode sheet, a prismatic exterior body that accommodates the electrode body, a metallic sealing plate that seals an opening of the prismatic exterior body, and a positive-electrode current collector that is electrically connected to the positive-electrode sheet and the sealing plate. The positive-electrode current collector includes a base that faces the sealing plate and a lead that is disposed on an end portion of the base. A projection is formed on the sealing plate. The projection is fitted in a connection opening that is formed in the base. The projection and the base are welded to each other.
Inventors:
Yohei Muroya
Hiroyuki Inoue
Hiroyuki Inoue
Application Number:
JP2017189365A
Publication Date:
July 12, 2022
Filing Date:
September 29, 2017
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H01M50/566; H01M50/147; H01M50/15; H01M50/176; H01M50/528; H01M50/533; H01M50/536; H01M50/538; H01M50/545; H01M50/55; H01M50/534
Domestic Patent References:
| JP2017084695A | ||||
| JP2008251260A | ||||
| JP2001093387A | ||||
| JP2007234276A | ||||
| JP2012054203A | ||||
| JP2018101568A |
Foreign References:
| US20160308177 |
Attorney, Agent or Firm:
Yoshiaki Tokuda
Murayama Masato
Murayama Masato
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