A method for recovering lithium bis(fluorosulfonyl)imide is provided in the present application. The method of the present application comprises: mixing a slag from lithium bis(fluorosulfonyl)imide production process with a solvent of carbonate ester, to o...

The present application provides a method for preparing lithium bis(fluorosulfonyl)imide, including the following steps: (a) a synthesis step; (b) an evaporation step; (c) an extraction step; (d) an alkalinization step; (e) a dehydration step; (f) a desolv...

A method for purifying an aqueous sulfonylimide solution includes heating an aqueous sulfonylimide solution containing a sulfonylimide compound represented by the general formula (1). A method for producing a non-aqueous electrolyte solution includes addin...

The present invention relates to a composition comprising an alkali metal salt of bis(fluoro sulfonyl)imide and to the use of such composition in an electrolyte for batteries.

The present invention relates to a composition comprising an alkali metal salt of bis(fluoro sulfonyl)imide and to the use of such composition in an electrolyte for batteries.

The present invention relates to a composition comprising an alkali metal salt of bis(fluoro sulfonyl)imide and to the use of such composition in an electrolyte for batteries.

A compound [I] such as ammonium N-(chlorosulfonyl)-N-(fluorosulfonyl)imide is reacted with hydrogen fluoride to obtain a compound [II] such as ammonium N,N-di(fluorosulfonyl)imide. The obtained compound [II] is reacted with an alkali metal compound or the ...

The present invention provides an alkali metal salt of fluorosulfonyl imide having favorable heat resistance and a reduced content of specific impurities and a water content, and provides a method for producing an alkali metal salt of fluorosulfonyl imide,...

The present invention provides a method for producing a fluorisulfonylimide salt, which enables reducing the impurity content and continuous operation for a long time, and a fluorosulfonyl imide salt. The fluorosulfonyl imide salt of the present invention ...