MANUFACTURING METHOD OF SPIRO QUATERNARY AMMONIUM SALT AND ELECTRIC DOUBLE LAYER CAPACITOR USING THE SPIRO QUATERNARY AMMONIUM SALT MANUFACTURED BY THE METHOD

摘要

The present invention relates to a method for producing a spiro-based quaternary ammonium salt, and an electric double layer capacitor using the spiro-based quaternary ammonium salt produced thereby. The method comprises the steps of: mixing 1,5-dibromopentane or 1,5-dibromopentane and potassium carbonate with a first solvent; adding and reacting pyrrolidine in a result produced by mixing 1,4-dibromopentane or 1,5-dibromopentane and potassium carbonate; selectively removing potassium bromide which is a precipitate formed by the reaction; selectively removing the first solvent from a solution having the precipitate removed therefrom; adding and recrystallizing a byproduct having the first solvent removed therefrom in acetone, and selectively separating 5-azaspiro[4.4]nonane-5-ium bromide or 5-azaspiro[4.5]decane-5-ium bromide; adding and reacting the selectively separated 5-azaspiro[4.4]nonane-5-ium bromide or 5-azaspiro[4.5]decane-5-ium bromide and HBF_4 in a second solvent; selectively removing the second solvent; and adding and recrystallizing a byproduct having the second solvent removed therefrom in a third solvent, and obtaining 5-azaspiro[4.4]nonane-5-ium tetrafluoroborate or 5-azaspiro[4.5]decane-5-ium tetrafluoroborate by selectively separating a precipitate.