Physicochemical characterizations of novel dicyanamide-based ionic liquids applied as electrolytes for supercapacitors.

ABSTRACT: Novel ionic liquids (ILs), containing a dicyanamide anion (DCA^-), are synthesized and applied as suitable electrolytes for electrochemical double layer capacitors (EDLCs). The prepared ILs are either composed of triethyl-propargylammonium (N_222pr ⁺) or triethyl-butylammonium (N₂₂₂₄ ⁺) cations paired with the DCA^- anion. The structure of the cation influences its electrostatic interaction with the DCA^- anion and highly impacts the physical and electrochemical properties of the as-prepared ILs. The geometry and the length of the alkyl chain of the propargyl group in N_222pr ⁺ enhance the ionic conductivity of N_222pr-DCA (11.68 mS cm^-1) when compared to N₂₂₂₄-DCA

SUBMITTER: Zarrougui R 

PROVIDER: S-EPMC9085644 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature