Title:
FLUORINE-CONTAINING CYCLIC SULFONYLIMIDE SALT, AND METHOD FOR PRODUCING SAME, NON-AQUEOUS ELECTROLYTE, NON-AQUEOUS SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/203074
Kind Code:
A1
Abstract:
Provided is a non-aqueous electrolyte containing a non-aqueous electrosolvent and a lithium salt, wherein the non-aqueous solvent includes a carbonate solvent, the lithium salt contains a fluorine-containing cyclic sulfonylimide salt represented by general formula (1): (in the formula, Rf each may be the same or different and each represent a fluorine atom or a C4 or lower perfluoro group), and a fluorine-containing sulfonamide compound represented by general formula (2): H(CR2)m-SO2NHM2 (in the formula, R each may be the same or different and each are a fluorine atom or a trifluoromethyl group, M2 is Li, Na, K, H, or NH4, and m is 1 or 2) is contained in an amount of 1,000 mass ppm or less relative to the total amount of non-aqueous electrolyte.
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Inventors:
ITO MAKOTO (JP)
MATSUOKA NAOKI (JP)
HORI KAISHI (JP)
MAEDA KAZUKI (JP)
UEMATSU NOBUYUKI (JP)
MATSUOKA NAOKI (JP)
HORI KAISHI (JP)
MAEDA KAZUKI (JP)
UEMATSU NOBUYUKI (JP)
Application Number:
PCT/JP2022/014660
Publication Date:
September 29, 2022
Filing Date:
March 25, 2022
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C07C303/22; C07C309/80; C07C309/82; C07C313/02; C07D285/00; C07D285/01; H01M10/052; H01M10/0567; H01M10/0568; H01M10/0569
Domestic Patent References:
| WO2010110388A1 | 2010-09-30 | |||
| WO2009025246A1 | 2009-02-26 | |||
| WO2020262670A1 | 2020-12-30 | |||
| WO2006106960A1 | 2006-10-12 | |||
| WO2006106960A1 | 2006-10-12 |
Other References:
"Research report", vol. 60, 2010, ASAHI GLASS CO., LTD., pages: 13 - 21
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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