Abstract

In this work we have analysed the performance of aqueous choline chloride as an electrolyte in supercapacitors. The aqueous choline chloride electrolyte is prepared in molar concentrations of 0.3, 0.5, 0.7, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5 and 4. The different concentrations of aqueous choline chloride electrolyte are used to fabricate activated carbon electrode based supercapacitors. The prepared electrolytes are characterized using FTIR technique and their ionic conductivity and electrochemical stability window are analysed using electrochemical impedance spectroscopy and cyclic voltammetry respectively. The electrochemical stability window is found 1.8 V for all concentration of choline chloride electrolytes. The highest conductivity is 129 mS/cm for 2.5 M aqueous choline chloride and two peaks feature is observed in ionic conductivity vs. concentration of electrolyte plot. The electrochemical performance of supercapacitors is analysed using cyclic voltammetry and electrochemical impedance spectroscopy, the supercapacitors showed good charge propagation and highest specific capacitance is reported for 1.0 M electrolyte (5.75F/g).

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.