Hybrid nanocomposites with different composition prepared from polyaniline (PAni) and exfoliated MoS2 and WS2 were prepared by a mechanochemical method and studied as electrodes of symmetrical supercapacitors (SSC). Nanoparticles of MoS2 and WS2 have been found to promote electrochemical reversibility of redox conversion in PAni at high potentials and contribute to the stability of these nanocomposites during prolonged charge-discharge cycling. The specific capacity of such materials can reach 600 F/g and the specific power of SSC can reach ~4.1 kW/kg for specific energy ~23.5 W·h/kg.
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This work was carried out with the partial support of the targeted scientific research program of the National Academy of Sciences of Ukraine entitled “New functional materials in chemical manufacturing” as well as a joint program of the Science and Technological Center in Ukraine and National Academy of Sciences of Ukraine “Directed research and developing initiatives.”
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Translated from Teoreticheskaya i Éksperimental’naya Khimiya, Vol. 54, No. 2, pp. 77-83, March-April, 2018.
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Kozarenko, O.A., Dyadyun, V.S., Kotenko, I.E. et al. Mechanochemically Prepared Nanocomposites Based on Polyaniline and Molybdenum and Tungsten Disulfides as Electrode Materials for Supercapacitors. Theor Exp Chem 54, 85–91 (2018). https://doi.org/10.1007/s11237-018-9550-1
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DOI: https://doi.org/10.1007/s11237-018-9550-1