	US 12,015,126 B2
	Lithium-ion battery, battery module, battery pack, and automobile
Chuanfu Wang, Shenzhen (CN); Long He, Shenzhen (CN); Huajun Sun, Shenzhen (CN); Jianhua Zhu, Shenzhen (CN); Zhipei Lu, Shenzhen (CN); Yan Zhu, Shenzhen (CN); and Shichao Hu, Shenzhen (CN)
Assigned to BYD COMPANY LIMITED, Guangdong (CN)
Filed by BYD COMPANY LIMITED, Guangdong (CN)
Filed on Sep. 10, 2020, as Appl. No. 17/017,461.
Application 17/017,461 is a continuation of application No. 16/707,831, filed on Dec. 9, 2019, granted, now 10,790,544.
Claims priority of application No. 201911011713.7 (CN), filed on Oct. 23, 2019.
Prior Publication US 2021/0126293 A1, Apr. 29, 2021
Int. Cl. H01M 10/42 (2006.01); H01M 10/0525 (2010.01); H01M 10/0585 (2010.01); H01M 50/112 (2021.01); H01M 50/147 (2021.01); H01M 50/207 (2021.01); H01M 50/593 (2021.01); H01M 50/636 (2021.01)

CPC H01M 10/4214 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); H01M 50/112 (2021.01); H01M 50/147 (2021.01); H01M 50/207 (2021.01); H01M 50/593 (2021.01); H01M 50/636 (2021.01); H01M 2220/20 (2013.01)]

20 Claims

1. A lithium-ion battery, comprising:

a housing;

at least one separator located inside the housing and separating an internal space of the housing into a plurality of accommodation cavities; wherein at least one separator defines a liquid injection hole for electrolyte passage, and connecting two adjacent accommodation cavities on opposite sides of the separator;

at least two or more battery core sets disposed inside corresponding accommodation cavities and connected in series, wherein the battery core sets each comprise at least one pole shank; and

a block mechanism inside the housing for control of the liquid injection hole.