Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2023113718
Kind Code:
A
Abstract:
To provide a power storage device that can be bent repeatedly, a power storage device with high reliability, a power storage device with a long life, an electronic appliance that can be bent repeatedly, or an electronic appliance with flexibility.SOLUTION: A power storage device includes a positive electrode, a negative electrode, and an exterior package covering the positive electrode and the negative electrode. The exterior package includes a metal layer and a resin layer. The metal layer is thinner in a part of an outer edge part of the exterior package than in the other parts than the outer edge part. The exterior package includes a plurality of slits in the outer edge part.SELECTED DRAWING: Figure 1
Inventors:
GOTO JUNYA
NAKAGAWA AI
SATO YUIKA
NAKAGAWA AI
SATO YUIKA
Application Number:
JP2023084740A
Publication Date:
August 16, 2023
Filing Date:
May 23, 2023
Export Citation:
Assignee:
SEMICONDUCTOR ENERGY LAB CO LTD
International Classes:
H01M50/105; H01G2/10; H01G11/78
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