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Supercapacitor Based on Graphene – Polyaniline Nanocomposite Electrode

Published online by Cambridge University Press:  10 February 2011

Humberto Gomez ,
Farah Alvi ,
Pedro Villalba ,
Manoj. K. Ram  and
Ashok Kumar
Humberto Gomez
Affiliation:
Mechanical Engineering Department, University of South Florida, 4202 E. Fowler Ave, ENB 118 Tampa, FL, 33620 USA. Departamento de Ingeniería Mecánica, Universidad del Norte, Barranquilla, Colombia.
Farah Alvi
Affiliation:
Electrical Engineering Department, University of South Florida, 4202 E. Fowler Ave ,ENB 118 Tampa, FL, 33620 USA.
Pedro Villalba
Affiliation:
Mechanical Engineering Department, University of South Florida, 4202 E. Fowler Ave, ENB 118 Tampa, FL, 33620 USA. Departamento de Ingeniería Mecánica, Universidad del Norte, Barranquilla, Colombia.
Manoj. K. Ram
Affiliation:
Nanotechnology Research and Education Center (NREC), University of South Florida, Tampa, FL 33620 USA
Ashok Kumar
Affiliation:
Mechanical Engineering Department, University of South Florida, 4202 E. Fowler Ave, ENB 118 Tampa, FL, 33620 USA. Nanotechnology Research and Education Center (NREC), University of South Florida, Tampa, FL 33620 USA
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Abstract

This paper aims to investigate the concept of high power density and wider voltage window supercapacitors based on graphene-conducting polymer electrodes. The high conductivity, wider tunable potential window, stability of the electrode material in the doped form, faster charge transfer rate, and short charging times in graphene (G)-polyaniline (PANI) systems, contribute to the design and fabrication of high performance supercapacitors. Novel chemistries were used to synthesize a higher electronic conducting nanocomposite material based on graphene and polyaniline. The G-PANI nanocomposites were characterized, where an interesting structure was observed using different ratios of graphene with the aniline monomer. The G-PANI nanocomposite materials has shown the specific capacitance of 300 to 500 F/g at a current density of 0.1A/g. Based on the present experimental findings, it could be conclude that the G-PANI polymer nanocomposite supercapacitor technology could be transformative, and could surpass the existing technologies when the present synthesized novel material approach will be taken.

Keywords

polymerenergy generationelectrochemical synthesis
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-ii12-05
Copyright
Copyright © Materials Research Society 2011

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References

REFERENCES

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