US 12,315,879 B2
Lithium borate compound, additive for lithium secondary battery, nonaqueous electrolytic solution for lithium secondary battery, precursor for lithium secondary battery, and production method for lithium secondary battery
Kenichi Goto, Tokyo (JP); Shigeru Mio, Chiba (JP); Satoko Fujiyama, Kisarazu (JP); Kei Sugawara, Ichihara (JP); and Mitsuaki Chida, Mobara (JP)
Assigned to MITSUI CHEMICALS, INC., Tokyo (JP)
Appl. No. 17/438,629
Filed by MITSUI CHEMICALS, INC., Tokyo (JP)
PCT Filed Mar. 12, 2020, PCT No. PCT/JP2020/010966
§ 371(c)(1), (2) Date Sep. 13, 2021,
PCT Pub. No. WO2020/184690, PCT Pub. Date Sep. 17, 2020.
Claims priority of application No. 2019-046971 (JP), filed on Mar. 14, 2019.
Prior Publication US 2022/0231336 A1, Jul. 21, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An additive for a lithium secondary battery, the additive comprising a lithium borate compound represented by the following Formula (I):

OG Complex Work Unit Chemistry
wherein, in Formula (I), each of R1, R2, and R3 independently represents an unsubstituted hydrocarbon group having from 1 to 20 carbon atoms, and R10 represents a fluorine atom, or a fluorinated hydrocarbon group.