Title:
SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2022115110
Kind Code:
A
Abstract:
To provide a technique for suppressing the movement of an electrode body inside a battery case and preventing damage at a joint between an electrode tab group and a current collector.SOLUTION: A secondary battery 100 disclosed herein includes an exterior body 12, a sealing plate 14, an electrode body 20, an electrode tab group, a terminal 30, and a current collector 50. The current collector 50 includes a first region portion 51 joined to the electrode tab group, a second region portion 52 connected to the terminal 30, and a third region portion 53 closer to the electrode body 20 than the first region portion 51.SELECTED DRAWING: Figure 7
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Inventors:
HARIMA YUKIO
WAKIMOTO RYOICHI
WAKIMOTO RYOICHI
Application Number:
JP2021011567A
Publication Date:
August 09, 2022
Filing Date:
January 28, 2021
Export Citation:
Assignee:
PRIME PLANET ENERGY & SOLUTIONS INC
International Classes:
H01M50/531; H01G11/76; H01M10/04; H01M50/10; H01M50/147
Domestic Patent References:
| JP2019061779A | 2019-04-18 | |||
| JP2017050069A | 2017-03-09 | |||
| JP2018022696A | 2018-02-08 | |||
| JPWO2015159433A1 | 2017-04-13 |
Foreign References:
| WO2020215919A1 | 2020-10-29 | |||
| CN108598353A | 2018-09-28 | |||
| WO2021124796A1 | 2021-06-24 | |||
| US20110104528A1 | 2011-05-05 | |||
| WO2019088053A1 | 2019-05-09 | |||
| WO2021060009A1 | 2021-04-01 |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Hiroaki Yamane
Amano Koji
Michiko Oi
Hiroaki Yamane
Amano Koji