US 12,142,777 B2
Stacked battery pack
Hideyo Morita, Tokyo (JP); Yuji Uehara, Tokyo (JP); and Koki Kawamura, Tokyo (JP)
Assigned to TDK Corporation, Tokyo (JP)
Filed by TDK Corporation, Tokyo (JP)
Filed on Sep. 30, 2020, as Appl. No. 17/038,664.
Claims priority of application No. 2019-205616 (JP), filed on Nov. 13, 2019.
Prior Publication US 2021/0143379 A1, May 13, 2021
Int. Cl. H01M 50/20 (2021.01); H01M 50/202 (2021.01); H01M 50/209 (2021.01)
CPC H01M 50/20 (2021.01) [H01M 50/202 (2021.01); H01M 50/209 (2021.01); H01M 2220/20 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A battery pack comprising:
a first resin holder having a first bottom plate part extending in first and second directions perpendicular to each other, first and second side plate parts extending in the first direction and a third direction perpendicular to the first and second direction, and third and fourth side plate parts extending in the second and third directions;
a first metal plate having a first metal part that overlaps the first bottom plate part in the third direction, second and fourth metal parts that overlap the first side plate part in the third direction, and third and fifth metal parts that do not overlap the first resin holder in the third direction; and
a first battery cell housed in the first resin holder such that the first battery cell is sandwiched between the first bottom plate part and the first metal part in the third direction,
wherein the first battery cell is sandwiched between the first side plate part and the second side plate part in the second direction, and wherein the first battery cell is sandwiched between the third side plate part and the fourth side plate part in the first direction,
wherein the second metal part is located between the first metal part and the third metal part,
wherein the fourth metal part is located between the first metal part and the fifth metal part,
wherein the third metal part and the fifth metal part are located outside the first resin holder beyond the first side plate part, and are separated from each other by a gap outside the first resin holder,
wherein the first side plate part has a first section that overlaps the second metal part of the first metal plate in the third direction, a second section that overlaps the fourth metal part of the first metal plate in the third direction, and a third section that does not overlap the first metal plate in the third direction and located between the first section and the second section,
wherein the first and second sections are smaller in height than the third section in the third direction, and
wherein the third section of the first side plate part has a projection having a screw hole.