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PREPARATION OF MnO2 NANOPARTICLES BY A SOLUTION BASED APPROACH FOR ELECTROCHEMICAL CAPACITOR

Author

Listed:
  • ANKUR SOAM

    (Department of Mechanical Engineering, Siksha O Anusandhan, Deemed to be University Bhubaneswar, India)

  • RAHUL KUMAR

    (#x2020;Centre for Energy Studies, Indian Institute of Technology Delhi, Delhi, India)

Abstract

We report here the development of MnO2 nanostructure electrode for electrochemical energy storage application. MnO2 nanoparticles synthesized by a facile and efficient precipitation approach have been investigated for supercapacitor application. The structures and morphologies of MnO2 nanoparticles were systematically studied using X-ray diffraction, Raman spectroscopy and transmission electron microscopy. The synthesized nanoparticles are observed spherical in shape with uniform size distribution. The electrochemical properties were studied in two-electrode configuration by cyclic voltammetry process. A specific capacitance of 52.8F/g has been obtained for MnO2 nanoparticles at scan rate of 100mV/s. The electrode is able to deliver a power density of 0.66kW/kg and energy density of 1.8Wh/kg.

Suggested Citation

  • Ankur Soam & Rahul Kumar, 2020. "PREPARATION OF MnO2 NANOPARTICLES BY A SOLUTION BASED APPROACH FOR ELECTROCHEMICAL CAPACITOR," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 27(08), pages 1-6, August.
    • Handle: RePEc:wsi:srlxxx:v:27:y:2020:i:08:n:s0218625x19501993
    DOI: 10.1142/S0218625X19501993
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