Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/158552
Kind Code:
A1
Abstract:
This power storage device is equipped with: an outer body; a plurality of power storage elements which are arranged in a second direction perpendicular to a first direction in an orientation in which the gas discharge valve of each faces the first direction; and a gas diffusion member. The gas diffusion member is a metal plate-shaped member positioned so as to face the gas discharge valves of the plurality of power storage elements. The gas diffusion member is positioned: in a location between the plurality of power storage elements and a lid, which is another member positioned in a location facing the plurality of power storage elements in the first direction; and in a location which is separated from each of the plurality of power storage elements and from the lid. The gas diffusion member is formed in a shape and size which permit the passage of a gas in the first direction both to the side of the gas diffusion member in the second direction and to the side of the gas diffusion member in a third direction which intersects the first and second directions.
Inventors:
OKABE KAZUYA (JP)
OKUYAMA RYOICHI (JP)
OKUYAMA RYOICHI (JP)
Application Number:
PCT/JP2022/002105
Publication Date:
July 28, 2022
Filing Date:
January 21, 2022
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01G11/12; H01G11/14; H01M50/209; H01M50/342; H01M50/367; H01M50/502
Domestic Patent References:
| WO2020152992A1 | 2020-07-30 |
Foreign References:
| JP2010055957A | 2010-03-11 | |||
| JP2016033908A | 2016-03-10 | |||
| JP2019197622A | 2019-11-14 | |||
| CN111540977A | 2020-08-14 |
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