Sulfonylimide Compound, Production Method Thereof, Electrolyte Composition, Electrolytic Solution and Lithium Ion Battery
AssigneesNippon Shokubai Co., Ltd., Morita Chemical Industries Co., Ltd.
InventorsYoshihiro Morita, Hiroyuki Mizuno, Yukihiro Fukata, Shin-ya Shibata, Naohiko Itayama, Hiromoto Katsuyama
Life of this patent
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Abstract
A compound represented by the following formula (1): wherein R1, R2 and R3 each independently represent fluorine, an alkyl group having 1 to 6 carbon atoms or a fluoroalkyl group having 1 to 6 carbon atoms; and M+ represents an alkali metal ion.
Claims20
A compound represented by the following formula (1):
- wherein R1, R2 and R3 each independently represent fluorine, an alkyl group having 1 to 6 carbon atoms or a fluoroalkyl group having 1 to 6 carbon atoms;
- and M represents an alkali metal ion.
An electrolyte composition comprising a compound represented by the following formula (1) and a compound represented by the following formula (2), wherein the content of the compound of the formula (1) in the electrolyte composition is 1 mass ppm to 200000 mass ppm;
- and the content of the compound of the formula (2) is 100000 mass ppm or more,
- wherein R1, R2 and R3 each independently represent fluorine, an alkyl group having 1 to 6 carbon atoms or a fluoroalkyl group having 1 to 6 carbon atoms;
- and M+ represents an alkali metal ion,
- (XSO2)(XSO2)NM (2)
- wherein X represents a fluorine atom, an alkyl group having 1 to 6 carbon atoms or a fluoroalkyl group having 1 to 6 carbon atoms;
- a plurality of X may be the same or different;
- and M represents an alkali metal.
A solution containing 0.1 mass ppm to 180000 mass ppm of a compound represented by the following formula (4):
- wherein R1, R2, R3 each independently represent fluorine or a fluoroalkyl group having 1 to 6 carbon atoms.
Dependencies are inferred from the claim text.