US 11,888,115 B2
Electrolytic solution and lithium metal battery containing the same, battery module, battery pack, and device
Chengyong Liu, Ningde (CN); Yongsheng Guo, Ningde (CN); Chengdu Liang, Ningde (CN); and Quan Fan, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed on Dec. 14, 2021, as Appl. No. 17/550,946.
Application 17/550,946 is a continuation of application No. PCT/CN2020/112391, filed on Aug. 31, 2020.
Claims priority of application No. 201910848985.6 (CN), filed on Sep. 9, 2019.
Prior Publication US 2022/0109189 A1, Apr. 7, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 10/052 (2010.01); H01M 10/0569 (2010.01); H01M 4/38 (2006.01); H01M 4/134 (2010.01); H01M 4/40 (2006.01); H01M 4/525 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 4/134 (2013.01); H01M 4/382 (2013.01); H01M 10/052 (2013.01); H01M 10/0569 (2013.01); H01M 4/405 (2013.01); H01M 4/525 (2013.01); H01M 2300/0025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrolytic solution, comprising a lithium salt, an organic solvent, and an additive, wherein the additive comprises a sultam compound represented by Structural Formula I:

OG Complex Work Unit Chemistry
wherein
R is selected from substituted or unsubstituted C1 to C10 hydrocarbyls, wherein a substituent is selected from a phenyl, C1 to C6 alkyls, or C1 to C6 alkenyls;
X is a sulfur atom or a phosphorus atom; and
R1 and R2 each are independently selected from an oxygen atom, a fluorine atom, a chlorine atom, a bromine atom, and substituted or unsubstituted C1 to C10 hydrocarbyls, wherein a substituent contains one or more of elements fluorine, chlorine, bromine, iodine, nitrogen, oxygen, sulfur, silicon, boron, and phosphorus; and both R1 and R2 are not oxygen atoms concurrently.