US 11,749,848 B2
Battery pack including a cover and a sealing member
Nohyun Kwag, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Oct. 8, 2019, as Appl. No. 16/596,503.
Claims priority of application No. 10-2018-0119748 (KR), filed on Oct. 8, 2018.
Prior Publication US 2020/0112000 A1, Apr. 9, 2020
Int. Cl. H01M 10/00 (2006.01); H01M 10/613 (2014.01); H01M 10/656 (2014.01); H01M 50/278 (2021.01); H01M 50/224 (2021.01); H01M 50/213 (2021.01); H01M 50/186 (2021.01)
CPC H01M 10/613 (2015.04) [H01M 10/656 (2015.04); H01M 50/186 (2021.01); H01M 50/213 (2021.01); H01M 50/224 (2021.01); H01M 50/278 (2021.01)] 7 Claims
OG exemplary drawing
 
1. A battery pack comprising:
a plurality of battery cells each comprising a first end portion and a second end portion that are opposite each other in a length direction of a respective battery cell of the plurality of battery cells;
a case having an accommodation space in which each of the plurality of battery cells is located, the accommodation space being configured to contain a cooling fluid for cooling the plurality of battery cells, the case comprising a first cover covering the first end portion of a battery cell of the plurality of battery cells, the first cover comprising a first terminal hole through which the first end portion of the battery cell of the plurality of battery cells is exposed; and
first and second sealing members surrounding the first terminal hole and configured to prevent cooling fluid leaving the accommodation space through the first terminal hole,
wherein the first sealing member is around the first terminal hole, and
the second sealing member is between the first terminal hole and the first sealing member in a radial direction of the first terminal hole, and
wherein the second sealing member is in a filling space between the first sealing member and a barrier rib surrounding the first terminal hole.