US 11,699,832 B2
Battery module
Osamu Kubota, Hitachinaka (JP); Kazunori Ojima, Hitachinaka (JP); Yoshitaka Watahiki, Hitachinaka (JP); and Takashi Suzuki, Hitachinaka (JP)
Assigned to VEHICLE ENERGY JAPAN INC., Hitachinaka (JP)
Appl. No. 16/633,116
Filed by VEHICLE ENERGY JAPAN INC., Hitachinaka (JP)
PCT Filed Aug. 3, 2018, PCT No. PCT/JP2018/029176
§ 371(c)(1), (2) Date Jan. 22, 2020,
PCT Pub. No. WO2019/054079, PCT Pub. Date Mar. 21, 2019.
Claims priority of application No. JP2017-176754 (JP), filed on Sep. 14, 2017.
Prior Publication US 2021/0159572 A1, May 27, 2021
Int. Cl. H01M 50/507 (2021.01); H01M 50/517 (2021.01); H01M 50/543 (2021.01); H01M 50/209 (2021.01); H01M 50/204 (2021.01)
CPC H01M 50/507 (2021.01) [H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/517 (2021.01); H01M 50/543 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A battery module comprising:
a battery cell group including a plurality of battery cells stacked in one direction and coupled together;
a pair of end plates sandwiching the battery cell group from opposite sides of the battery cell group in the one direction;
a bus bar for coupling the battery cell group to a terminal for external connection; and
a fastening member for fastening the terminal to the bus bar, wherein:
an end plate of the pair of end plates has a recess adapted to partially house the fastening member in a mutually movable manner in the one direction, and
a gap is provided between an inner side wall of the recess and the fastening member along the one direction.