US 12,362,445 B2
Battery system with advanced battery disconnecting unit
Michael Erhart, Yongin-si (KR); and Joshua Hichens, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Sep. 3, 2021, as Appl. No. 17/446,935.
Claims priority of application No. 20194891 (EP), filed on Sep. 7, 2020; and application No. 10-2021-0116397 (KR), filed on Sep. 1, 2021.
Prior Publication US 2022/0077549 A1, Mar. 10, 2022
Int. Cl. H01M 10/613 (2014.01); H01M 10/42 (2006.01); H01M 10/6556 (2014.01); H01M 10/6567 (2014.01); H01M 50/507 (2021.01); H01M 50/583 (2021.01); H05K 1/02 (2006.01); H05K 1/14 (2006.01)
CPC H01M 50/583 (2021.01) [H01M 10/425 (2013.01); H01M 10/613 (2015.04); H01M 10/6556 (2015.04); H01M 10/6567 (2015.04); H01M 50/507 (2021.01); H05K 1/0254 (2013.01); H05K 1/14 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01); H05K 2201/10037 (2013.01); H05K 2201/10181 (2013.01); H05K 2201/10272 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A battery system, comprising:
a housing;
a high voltage (HV) system located in the housing and having a plurality of connected rechargeable battery cells;
a battery disconnecting unit (BDU) located in the housing and adjacent to the rechargeable battery cells in a plan view such that the BDU is spaced apart from the rechargeable battery cells in the housing in the plan view, the BDU comprising a carrier plate having a first side, BDU relays configured to switchably open or close a HV line of the HV system, wherein the HV line is at least partially integrated into the carrier plate, and a BDU control unit configured to control the BDU relays; and
a liquid cooling plate between the housing and the BDU that is spaced apart from the rechargeable battery cells in the plan view and supported on a second side of the carrier plate opposite the first side of the carrier plate,
wherein the liquid cooling plate comprises a cavity configured to conduct a cooling liquid at inside the liquid cooling plate.