Carbon nanotubes in Supercapacitors It is a preview of my future work on carbon nanotubes

4. WHAT
WHY
HOW

5. SUPER CAPACITOR
An Electrochemical capacitors or ultra
capacitors, which have very high
capacitancecompared to conventional
capacitors and hashigh values of energy
density and power density

6. TYPES OF SUPER CAPACITORS

8. Super capacitor V/SBattery
High power density High energy density

9. Comparisonwith battery

10. How it works????????????????????

11. ELECTRODE MATERIALS

12. •Carbon nanotubes
•One atom thick sheet of graphite rolled up into a cylinder with
diameter in the orderof nano scale.
•SP2HYBRIDISED
•Aspect ratio 132000000:1
•electric currentdensity- 4 × 109 A/cm2
•Thermal conductivity-3500 W·m−1·K−1

14. Thermal Chemicalvapour deposition

15. •Precursors
Paraffin wax (C31H64) Cow dung Benzene(C6H5)
Substrate:Ni Foil
Carriergas: Argon

18. Cyclic Voltammetry (CV) is a widely used technique in electrochemistry. Early in a
development project,CV yields basic information about a capacitive electrochemical cell,
including:
•Voltage window
•Capacitance
•Cycle life

21. •To becontinuedwith
•Outcomes of the synthesis and relevent results
•Characterisation
•Practical applications

22. THE END