US 12,362,422 B2
Power storage module
Shinya Geshi, Osaka (JP); Hirotaka Ogino, Osaka (JP); Chifumi Murayama, Osaka (JP); and Hiroshi Takasaki, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/635,688
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Aug. 19, 2020, PCT No. PCT/JP2020/031347
§ 371(c)(1), (2) Date Feb. 15, 2022,
PCT Pub. No. WO2021/039551, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 2019-158693 (JP), filed on Aug. 30, 2019.
Prior Publication US 2022/0285775 A1, Sep. 8, 2022
Int. Cl. H01M 50/244 (2021.01); H01M 50/186 (2021.01); H01M 50/213 (2021.01); H01M 50/218 (2021.01); H01M 50/24 (2021.01); H01M 50/242 (2021.01)
CPC H01M 50/244 (2021.01) [H01M 50/186 (2021.01); H01M 50/213 (2021.01); H01M 50/218 (2021.01); H01M 50/24 (2021.01); H01M 50/242 (2021.01)] 18 Claims
 
1. A power storage module comprising:
a plurality of power storage devices arranged in a first direction, each of the plurality of power storage devices comprises a cylindrical shape; and
a first holder that holds one end part of the plurality of power storage devices in a second direction perpendicular to the first direction, and is made of an insulating material, wherein:
power storage device includes a concave part is formed on one of an end surface of each of the plurality of power storage devices in the second direction or a surface of the first holder facing each of the plurality of power storage devices, and a concave part is formed on another of the end surface of each of the plurality of power storage devices in the second direction or the surface of the first holder facing each of the plurality of power storage devices, such that the convex part is fitted in the concave part,
the convex part includes a surface crossing a line extending in a peripheral direction of each of the plurality of power storage devices, and
the power storage module further comprises a current collector electrically connecting the plurality of power storage devices and is provided at another end part of the plurality of power storage device opposite to the one end part in the second direction.