Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2023135386
Kind Code:
A
Abstract:
To provide a power storage device that is equipped with an exterior body and has improved reliability.SOLUTION: A power storage device 1 comprises an exterior body 10 that accommodates a power storage element 20. The exterior body 10 comprises a first member (exterior body main body 110) and a second member (lid body 120). The exterior body main body 110 has a wall portion 115 provided in a state of being erected along a first direction (Z-axis direction). The lid body 120 has a groove portion 127 into which the wall portion 115 is inserted in the Z-axis direction and is bonded to the wall portion 115 with an adhesive 180. In a second direction, which is a thickness direction of the wall portion 115, a protrusion 121 is provided between a first side surface 115b being a side surface facing the interior of the exterior body 10, of the wall portion 115, and a second side surface 127b being an inside surface facing the first side surface 115b, of the groove portion 127, the protrusion protruding from one of the first side surface 115b and the second side surface 127b toward the other thereof.SELECTED DRAWING: Figure 4
Inventors:
SHIBATA NOBUKOTO
Application Number:
JP2022040558A
Publication Date:
September 28, 2023
Filing Date:
March 15, 2022
Export Citation:
Assignee:
GS YUASA CORP
International Classes:
H01M50/271; H01G2/10; H01G9/08; H01G11/78; H01M50/227; H01M50/278
Attorney, Agent or Firm:
Masaki Nakahara