US 12,230,758 B2
Electrolyte functional additive for lithium ion battery, lithium ion battery electrolyte and lithium ion battery
Yanhui Zhi, Jiangsu (CN); and Ying Liu, Jiangsu (CN)
Assigned to SVOLT ENERGY TECHNOLOGY CO., LTD., Jiangsu (CN)
Appl. No. 17/788,286
Filed by SVOLT ENERGY TECHNOLOGY CO., LTD., Jiangsu (CN)
PCT Filed Nov. 6, 2020, PCT No. PCT/CN2020/127182
§ 371(c)(1), (2) Date Jun. 22, 2022,
PCT Pub. No. WO2021/243953, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 202010485949.0 (CN), filed on Jun. 1, 2020.
Prior Publication US 2023/0113720 A1, Apr. 13, 2023
Int. Cl. H01M 10/0567 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01)
CPC H01M 10/0567 (2013.01) [H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/028 (2013.01); H01M 2300/004 (2013.01); H01M 2300/0042 (2013.01)] 17 Claims
 
1. An electrolyte functional additive for a lithium ion battery, wherein calculated in parts by weight, the functional additive comprises 0.1-0.5 parts of lithium tetrafluoroborate, 0.3-1.5 parts of lithium bisoxalate borate, 0.2-2 parts of vinylene carbonate, and 0.2-1 parts of pyridine trifluoroborate.