Title:
二次電池および組電池、ならびにその製造方法
Document Type and Number:
Japanese Patent JP7443321
Kind Code:
B2
Abstract:
Provided is art that allows joining an external conductive member and a bus bar more stably. A method for producing a secondary battery (1) disclosed herein has: an attachment step; an arrangement step; a covering step; and, a joining step. The external conductive member (35) has a recess (35a) sunk from the upper surface (35u), around a through-hole (35h). In the joining step, the external conductive member (35) and the terminal (30) are joined in a state where an edge portion of a cover member (2) is disposed between a planned joint portion (31w), and an outer peripheral edge of the recess (35a), in a cross-sectional view along a direction of penetration into the through-hole (35h).
Inventors:
Hironori Marubayashi
Ryoichi Wakimoto
Ryoichi Wakimoto
Application Number:
JP2021193735A
Publication Date:
March 05, 2024
Filing Date:
November 30, 2021
Export Citation:
Assignee:
Prime Planet Energy & Solutions Co., Ltd.
International Classes:
H01M50/566; H01G11/12; H01G11/74; H01G11/84; H01M50/103; H01M50/176; H01M50/209; H01M50/505; H01M50/533; H01M50/55; H01M50/557; H01M50/583
Domestic Patent References:
| JP2019153440A | ||||
| JP2020087702A | ||||
| JP2020107464A | ||||
| JP2012213789A | ||||
| JP2017103115A |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Hiroaki Yamane
Koji Amano
Michiko Oi
Hiroaki Yamane
Koji Amano