US 12,261,313 B2
Buffer member and power storage module
Goro Fujita, Osaka (JP); Shota Norimine, Osaka (JP); Tetsuji Omura, Hyogo (JP); Mitsutoshi Tajima, Hyogo (JP); and Shingo Kume, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/597,697
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Jul. 27, 2020, PCT No. PCT/JP2020/028643
§ 371(c)(1), (2) Date Jan. 19, 2022,
PCT Pub. No. WO2021/020326, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-140642 (JP), filed on Jul. 31, 2019.
Prior Publication US 2022/0285773 A1, Sep. 8, 2022
Int. Cl. H01M 50/242 (2021.01); H01M 50/209 (2021.01); H01M 50/489 (2021.01)
CPC H01M 50/242 (2021.01) [H01M 50/209 (2021.01); H01M 50/489 (2021.01)] 13 Claims
OG exemplary drawing
 
1. A power storage module comprising:
at least one power storage device; and
a buffer member arranged with the at least one power storage device in a first direction, wherein
the buffer member includes a hard part including a predetermined hardness and a soft part softer than the hard part, the hard part and the soft part being configured to receive a load in the first direction from the at least one power storage device,
a shape of the hard part changes by the hard part receiving the load of a predetermined magnitude or more, and
a state of the buffer member changes, by the shape of the hard part changing, from a first state in which the load is received by the hard part to a second state in which the load is received by the soft part.