Development of Porous Manganese Oxide/Polyaniline Composite Using Electrochemical Route for Electrochemical Supercapacitor

  • B. P. Relekar
  • A. V. Fulari
  • G. M. Lohar
  • V. J. FulariEmail author


Manganese oxide (MnO2)/polyaniline composite thin films were deposited using the electrochemical route for the fabrication of supercapacitor devices. The MnO2 polyaniline composite was prepared with different percentages of MnO2 and polyaniline and its structural, morphological, electrochemical, wettability and supercapacitor properties have been studied. The effects of the different percentages of MnO2 and polyaniline on the supercapacitor have been investigated. The thin film containing 80% polyaniline and 20% MnO2 shows relatively better supercapacitance, i.e., 409 F/g as compared to other composite thin films. The same film shows the retention of 92% of its original specific capacitance value after 1000 cycles. Similarly, after 2000 cycles, this value is still 84%.


MnO2/polyaniline composite supercapacitance electrochemical route 


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The authors are grateful to the DST India for providing instrumental facilities at Department of Physics, Shivaji University, Kolhapur (M.S.), India.


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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  • B. P. Relekar
    • 1
    • 2
  • A. V. Fulari
    • 2
  • G. M. Lohar
    • 3
  • V. J. Fulari
    • 2
    Email author
  1. 1.Yashwantrao Chavan College of ScienceKaradIndia
  2. 2.Holography and Materials Research Laboratory, Department of PhysicsShivaji UniversityKolhapurIndia
  3. 3.Lal Bahadur Shastri College of Arts Science and CommerceSataraIndia

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