US 12,451,541 B2
Rechargeable battery pack
Hyeok Lee, Yongin-si (KR); Beomjoo Kim, Yongin-si (KR); Jaeho Kim, Yongin-si (KR); Kilseok Lee, Yongin-si (KR); and Du-Seong Jeon, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed on Apr. 28, 2021, as Appl. No. 17/242,931.
Claims priority of application No. 10-2020-0068337 (KR), filed on Jun. 5, 2020.
Prior Publication US 2021/0384569 A1, Dec. 9, 2021
Int. Cl. H01M 10/6556 (2014.01); H01M 10/613 (2014.01); H01M 10/658 (2014.01); H01M 50/505 (2021.01); H01M 10/643 (2014.01); H01M 10/653 (2014.01); H01M 10/6554 (2014.01); H01M 50/204 (2021.01); H01M 50/213 (2021.01); H01M 50/224 (2021.01); H01M 50/227 (2021.01); H01M 50/242 (2021.01); H01M 50/503 (2021.01)
CPC H01M 10/6556 (2015.04) [H01M 10/613 (2015.04); H01M 10/658 (2015.04); H01M 50/505 (2021.01); H01M 10/643 (2015.04); H01M 10/653 (2015.04); H01M 10/6554 (2015.04); H01M 50/204 (2021.01); H01M 50/213 (2021.01); H01M 50/224 (2021.01); H01M 50/227 (2021.01); H01M 50/242 (2021.01); H01M 50/503 (2021.01); Y02E 60/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A rechargeable battery pack comprising:
a battery housing comprising an inner space;
a plurality of unit battery cells in the inner space;
first and second bus bars arranged at an upper side of the battery housing and electrically connecting unit battery cells of the plurality of unit battery cells, each of the first and second bus bars being connected to each of the unit battery cells;
a lower holder unit configured to fix the unit battery cells in the battery housing; and
a cooling unit in a bottom plate of the battery housing under the lower holder unit to cool the unit battery cells,
wherein the lower holder unit fixes a lower surface and a portion of a side surface of the unit battery cells in the battery housing in a state of accommodating the unit battery cells,
wherein the lower holder unit comprises aluminum.