Title:
POWER STORAGE DEVICE AND MANUFACTURING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2019087453
Kind Code:
A
Abstract:
To provide a power storage device which enables welding to be performed smoothly between a collector terminal and an external terminal, and to provide a manufacturing method of the power storage device.SOLUTION: A power storage device includes: an electrode body; a housing case which houses the electrode body therein; an external terminal 3 provided on an outer surface of the housing case; a collector terminal connecting the electrode body with the external terminal 3; and a welding part connecting the collector terminal to the external terminal 3. The external terminal 3 includes: a facing surface facing an outer surface of the housing case; and an outer surface located at the opposite side of the facing surface. The external terminal 3 is formed with: an insertion hole extending from the facing surface to the outer surface; and a step part located around an opening of the insertion hole located at the outer surface side. The collector terminal includes a contact surface which contacts with a surface of the step part. The welding part is formed to weld the surface of the step part to the contact surface of the collector terminal.SELECTED DRAWING: Figure 4
Inventors:
NEMOTO YUTA
Application Number:
JP2017215649A
Publication Date:
June 06, 2019
Filing Date:
November 08, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H01G11/74; H01G11/84; H01M50/103; H01M50/147; H01M50/176; H01M50/55; H01M50/553; H01M50/562; H01M50/566
Domestic Patent References:
| JP2010033766A | 2010-02-12 | |||
| JP2014165155A | 2014-09-08 | |||
| JP2014167846A | 2014-09-11 | |||
| JP2014006977A | 2014-01-16 | |||
| JP2017027922A | 2017-02-02 |
Foreign References:
| WO2013031669A1 | 2013-03-07 | |||
| WO2014157191A1 | 2014-10-02 |
Attorney, Agent or Firm:
Fukami patent office