US 12,341,176 B2
Battery rack and power storage apparatus comprising same
Jin-Kyu Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/625,254
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jul. 10, 2020, PCT No. PCT/KR2020/009121
§ 371(c)(1), (2) Date Jan. 6, 2022,
PCT Pub. No. WO2021/010677, PCT Pub. Date Jan. 21, 2021.
Claims priority of application No. 10-2019-0086397 (KR), filed on Jul. 17, 2019.
Prior Publication US 2022/0263162 A1, Aug. 18, 2022
Int. Cl. H01M 10/6568 (2014.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01); H01M 10/613 (2014.01); H01M 10/63 (2014.01)
CPC H01M 10/6568 (2015.04) [H01M 10/425 (2013.01); H01M 10/486 (2013.01); H01M 10/613 (2015.04); H01M 10/63 (2015.04)] 12 Claims
OG exemplary drawing
 
1. A battery rack, comprising:
a plurality of battery modules stacked on each other along a vertical direction of the battery rack, each battery module of the plurality of battery modules having at least one battery cell;
a rack case configured to accommodate the plurality of battery modules;
a coolant tank provided to an upper side of the rack case and containing a coolant;
a pipe configured to connect the coolant tank and the plurality of battery modules; and
a valve provided between the pipe and the coolant tank and configured to be opened when at least one battery module of the plurality of battery modules has a temperature over a predetermined temperature to discharge the coolant of the coolant tank to the pipe so that the coolant is supplied to the at least one battery module having a temperature over the predetermined temperature,
wherein the pipe includes:
a main pipe connected to the valve; and
a plurality of module pipes connected to the main pipe and respectively connected to the plurality of battery modules,
wherein each of the plurality of module pipes has a module valve to control flow from the main pipe,
wherein the main pipe includes at least one hydraulic pressure adjuster configured to adjust a hydraulic pressure according to a height of the main pipe, and
wherein the at least one hydraulic pressure adjuster is a restriction in the main pipe.