US 12,136,742 B2
Power supply device, and electric vehicle and power storage device using same
Hiroyuki Takahashi, Hyogo (JP)
Assigned to SANYO Electric Co., Ltd., Osaka (JP)
Appl. No. 17/630,552
Filed by SANYO Electric Co., Ltd., Osaka (JP)
PCT Filed Jul. 20, 2020, PCT No. PCT/JP2020/028026
§ 371(c)(1), (2) Date Jan. 27, 2022,
PCT Pub. No. WO2021/024773, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 2019-145727 (JP), filed on Aug. 7, 2019.
Prior Publication US 2022/0255181 A1, Aug. 11, 2022
Int. Cl. H01M 50/289 (2021.01); H01M 10/04 (2006.01); H01M 50/249 (2021.01); H01M 50/262 (2021.01)
CPC H01M 50/289 (2021.01) [H01M 10/0486 (2013.01); H01M 50/249 (2021.01); H01M 50/262 (2021.01); H01M 2220/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A power supply device to be fixed to a power supply target equipment, the power supply device comprising:
a plurality of battery cells each including a prismatic outer covering can;
a pair of end plates that cover both side end faces of a battery stack, the battery stack including the plurality of battery cells that are stacked;
a plurality of fastening members that are plates extending in a stacking direction of the plurality of battery cells and are arranged on opposed side faces of the battery stack to fasten the end plates to each other;
a plurality of brackets each fixing a corresponding one of the pair of end plates to the power supply target equipment;
guide mechanisms each sliding a corresponding one of the end plates in the stacking direction of the battery stack at at least one interface between the corresponding one of the end plates and a bracket corresponding to the corresponding one of the end plates among the bracket; and
elastic bodies each arranged at the at least one interface between a corresponding one of the end plates and a bracket corresponding to the corresponding one of the end plates among the brackets.