Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2023108758
Kind Code:
A
Abstract:
To provide a power storage device capable of suppressing generation of stress at a corner portion connecting a portion along a power storage element and a portion along a terminating member in an extension member.SOLUTION: A power storage device includes a power storage element, a termination member aligned with the power storage element in a first direction, and an extension member 42 extending in the first direction along the power storage element and connected to the termination member, and the extension member includes at least a piece portion 421 which is a first portion extending in the first direction along the edge of the power storage element in the second direction perpendicular to the first direction, a connection piece portion 422 which is a second portion extending in the second direction along the termination member and connected to the termination member, a corner portion 423 connecting corresponding ends of the first portion and the second portion, and a reinforcing portion 425 that reinforces the corner at an end near the center of the terminating member in a third direction orthogonal to each of the first direction and the second direction at the corner.SELECTED DRAWING: Figure 3
Inventors:
NISHIMURA YOSUKE
Application Number:
JP2022009973A
Publication Date:
August 07, 2023
Filing Date:
January 26, 2022
Export Citation:
Assignee:
GS YUASA CORP
International Classes:
H01M50/264; H01G2/02; H01G11/12; H01M50/262
Attorney, Agent or Firm:
Patent Attorney Corporation Fujimoto Partners
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