US 12,456,754 B2
Process and system for producing LiPF[6], and mixture crystal, composition, electrolyte solution, and lithium battery containing LiPF[6]
Jiangang Ren, Hangzhou (CN); Haibing Zhang, Hangzhou (CN); Xiaohong Ma, Hangzhou (CN); Guoqiang Ma, Hangzhou (CN); Haidao Liu, Hangzhou (CN); Qing Yang, Hangzhou (CN); Jingbo Dong, Hangzhou (CN); Huichuang Chen, Hangzhou (CN); Qi Zhang, Hangzhou (CN); and Nan Sheng, Hangzhou (CN)
Assigned to SINOCHEM LANTIAN CO., LTD, Hangzhou (CN); ZHEJIANG ZHONGLAN NEW ENERGY MATERIALS CO., LTD., Huzhou (CN); and ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD, Zhejiang (CN)
Appl. No. 17/783,951
Filed by Sinochem Lantian Co., Ltd., Hangzhou (CN); Zhejiang Zhonglan New Energy Materials Co., Ltd., Huzhou (CN); and Zhejiang Research Institute of Chemical Industry Co., Ltd., Hangzhou (CN)
PCT Filed Dec. 9, 2020, PCT No. PCT/CN2020/134848
§ 371(c)(1), (2) Date Jun. 9, 2022,
PCT Pub. No. WO2021/115316, PCT Pub. Date Jun. 17, 2021.
Claims priority of application No. 201911254922.4 (CN), filed on Dec. 10, 2019; application No. 201911254953.X (CN), filed on Dec. 10, 2019; application No. 201911254957.8 (CN), filed on Dec. 10, 2019; application No. 201911254959.7 (CN), filed on Dec. 10, 2019; application No. 201911254960.X (CN), filed on Dec. 10, 2019; and application No. 201911255090.8 (CN), filed on Dec. 10, 2019.
Prior Publication US 2023/0007900 A1, Jan. 12, 2023
Int. Cl. H01M 10/0568 (2010.01); H01M 10/052 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0568 (2013.01) [H01M 10/052 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0037 (2013.01); H01M 2300/0051 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A fluorine-containing electrolyte solution, comprising LiPF6, the LiPF6 used in the preparation of the fluorine-containing electrolyte solution is LiPF6 with 68% (wt) or more of the particle size greater than or equal to 0.2 mm and less than or equal to 0.3 mm, the water content of the LiPF6 is lower than 6 ppm, the purity of LiPF6 is above 99.99%, and the mass percentage of LiPF6 in the fluorine-containing electrolyte solution is 5-20 wt %.