US 11,728,541 B2
Energy storage module
Jin Taek Kim, Yongin-si (KR); Eun Ok Kwak, Yongin-si (KR); Jin Bhum Yun, Yongin-si (KR); Jang Hoon Kim, Yongin-si (KR); Jong Yeol Woo, Yongin-si (KR); Kwang Deuk Lee, Yongin-si (KR); and Woo Sung Choi, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Jun. 15, 2020, as Appl. No. 16/901,541.
Claims priority of application No. 10-2019-0110364 (KR), filed on Sep. 5, 2019.
Prior Publication US 2021/0074973 A1, Mar. 11, 2021
Int. Cl. H01M 50/383 (2021.01); H01M 50/35 (2021.01); H01M 50/20 (2021.01); H01M 50/30 (2021.01)
CPC H01M 50/383 (2021.01) [H01M 50/20 (2021.01); H01M 50/394 (2021.01)] 16 Claims
OG exemplary drawing
 
1. An energy storage module comprising:
battery cells each comprising a vent;
a cover member comprising an internal receiving space configured to accommodate the battery cells;
a top plate coupled to a top of the cover member and comprising ducts each corresponding to the vent of a battery cell of the battery cells;
a top cover coupled to a top portion of the top plate and comprising discharge holes located in an exhaust area and corresponding to the ducts; and
an extinguisher sheet located between the top cover and the top plate, and configured to emit a fire extinguishing agent to a space between adjacent battery cells of the battery cells at a temperature exceeding a certain temperature,
wherein the top cover comprises protrusion parts located on a bottom surface of the top cover, covering the exhaust area, and each coupled to an exterior of a corresponding duct of the ducts.