US 12,218,307 B2
Electrolytic solution, lithium-ion battery, battery module, battery pack and apparatus
Jianwei Zhu, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed on Dec. 23, 2020, as Appl. No. 17/132,583.
Application 17/132,583 is a continuation of application No. PCT/CN2019/114197, filed on Oct. 30, 2019.
Claims priority of application No. 201811275598.X (CN), filed on Oct. 30, 2018.
Prior Publication US 2021/0119257 A1, Apr. 22, 2021
Int. Cl. H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrolytic solution, comprising an electrolyte and a solvent, an additive A and an additive B, wherein the additive A comprises:

OG Complex Work Unit Chemistry
the additive B comprises a compound selected from at least one of compounds whose chemical structural formula is denoted by Formula II-A:

OG Complex Work Unit Chemistry
in Formula II-A, A, B, C, and D, are each independently selected from F, Cl, Br or I.
 
14. A lithium-ion battery, comprising a positive electrode plate, a negative electrode plate, a separator located between the positive electrode plate and the negative electrode plate, and an electrolytic solution, wherein the electrolytic solution comprises an electrolyte and a solvent, an additive A and an additive B, wherein the additive A comprises:

OG Complex Work Unit Chemistry
the additive B comprises a compound selected from at least one of compounds whose chemical structural formula is denoted by Formula II-A:

OG Complex Work Unit Chemistry
in Formula II-A, A, B, C, and D are each independently selected from F, Cl, Br or I.