US 12,107,228 B2
Non-aqueous electrolyte for a lithium ion battery and lithium ion battery
Zhongtian Zheng, Guangdong (CN); Ling Zhong, Guangdong (CN); Shiguang Hu, Guangdong (CN); Kai Tu, Guangdong (CN); Qiao Shi, Guangdong (CN); and Dejun Xiong, Guangdong (CN)
Assigned to SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/417,111
Filed by SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Jan. 2, 2020, PCT No. PCT/CN2020/070004
§ 371(c)(1), (2) Date Jun. 21, 2021,
PCT Pub. No. WO2020/140923, PCT Pub. Date Jul. 9, 2020.
Claims priority of application No. 201910002263.9 (CN), filed on Jan. 2, 2019.
Prior Publication US 2022/0109191 A1, Apr. 7, 2022
Int. Cl. H01M 10/0569 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 10/0569 (2013.01) [H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0034 (2013.01)] 20 Claims
 
1. A non-aqueous electrolyte for a lithium ion battery, comprising a solvent, a lithium salt and a compound represented by structural formula 1 and/or structural formula 2:

OG Complex Work Unit Chemistry
wherein A and B are each independently structural formula

OG Complex Work Unit Chemistry
 or structural formula

OG Complex Work Unit Chemistry
R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are each independently selected from hydrogen, halogen, or a halogenated or non-halogenated organic group with 1-3 carbon atoms, m, n, h and f are 0, 1 or 2, and m+h≥1, n+f≥1;

OG Complex Work Unit Chemistry
wherein A and B are each independently structural formula

OG Complex Work Unit Chemistry
 or structural formula

OG Complex Work Unit Chemistry
R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 and R24 are each independently selected from hydrogen, halogen or a halogenated or non-halogenated organic group with 1-3 carbon atoms, w, r, x and y are 0, 1 or 2, and w+r≥1, x+y≥1.