Deoxofluorination of Activated Carbon Electrode with Sulfur Tetrafluoride for Electric Double Layer Capacitor

Electric double layer capacitors are energy storage devices with advantages of fast charge-discharge and long life span. Surface modification activated carbon electrodes is an effective way to improve their performance. For this purpose, deoxofluorination sulfur tetrafluoride was attempted in study. Successful introduction fluorine atom on the surface resulted increased capacitance improved coulombic efficiencies electrochemical tests for electric capacitors.