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Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/220117
Kind Code:
A1
Abstract:
This power storage device is provided with a power storage element, an outer casing housing the power storage element, and a membrane-rupturing mechanism portion disposed in a gas flow path connecting the inside and outside of the outer casing. The membrane-rupturing mechanism portion includes a membrane member, a membrane holding member holding the membrane member, and a membrane-rupturing member having a projection protruding toward the membrane member.

Inventors:
KONISHI ATSUYUKI (JP)
MAEDA KOKI (JP)
IWASHIMA YASUYUKI (JP)
Application Number:
PCT/JP2022/015748
Publication Date:
October 20, 2022
Filing Date:
March 30, 2022
Export Citation:
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Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01G11/14; H01G11/78; H01M50/204; H01M50/249; H01M50/342
Foreign References:
JP2015056325A2015-03-23
CN112331967A2021-02-05
JP2013506966A2013-02-28
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