US 12,002,926 B2
Electrolyte, electrochemical device, lithium ion secondary battery, and module
Masakazu Kinoshita, Osaka (JP); Yuuki Suzuki, Osaka (JP); Shigeaki Yamazaki, Osaka (JP); Kenzou Takahashi, Osaka (JP); Tomoya Hidaka, Osaka (JP); Yoshiko Kuwajima, Osaka (JP); Akiyoshi Yamauchi, Osaka (JP); and Kotaro Hayashi, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Appl. No. 16/768,471
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
PCT Filed Oct. 2, 2018, PCT No. PCT/JP2018/036898
§ 371(c)(1), (2) Date May 29, 2020,
PCT Pub. No. WO2019/106947, PCT Pub. Date Jun. 6, 2019.
Claims priority of application No. 2017-231859 (JP), filed on Dec. 1, 2017.
Prior Publication US 2021/0005933 A1, Jan. 7, 2021
Int. Cl. H01M 10/0568 (2010.01); H01G 11/34 (2013.01); H01G 11/62 (2013.01); H01M 10/0525 (2010.01)
CPC H01M 10/0568 (2013.01) [H01M 10/0525 (2013.01); H01G 11/34 (2013.01); H01G 11/62 (2013.01); H01M 2300/0037 (2013.01)] 6 Claims
 
1. An electrolyte solution comprising LiFSO3 and a compound (1) represented by the following formula (1): LiZ,
wherein Z is PF6, BF4, N(FSO2)2, N(CF3SO2)2, N(C2F5SO2)2, PO2F2, or

OG Complex Work Unit Chemistry
the electrolyte solution having a ratio [FSO3]/[Z] of a molar content of FSO3 [FSO3] to a molar content of Z [Z] of 3 to 1000.