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Licensed Unlicensed Requires Authentication Published by De Gruyter December 30, 2021

A promising rosy future for supercapacitors: Suitability of MoS2 hollow nanoroses for supercapacitor electrodes

  • J. S. Arya Nair , S. Chirag and K. Y. Sandhya EMAIL logo

Abstract

In this work, we investigate the supercapacitive properties of MoS2 hollow nano-roses with an open cavity at the centre. The synthesized nano MoS2 delivered specific capacitance of 180 F g–1 at 1 A g–1, whereas it was around 22 F g–1 for the bulk MoS2, which was synthesized in the absence of the micelle. The cycling stability was very high and retained 98% up to 500 cycles, 85% after 3500 cycles and 80% of the initial capacity at 5000 cycles. The enhanced specific capacitance and cycling stability of the nano MoS2 is probably due to its flower-shaped morphology which consist of thin sheets of MoS2 and with a hollow cavity which increases the accessible surface area and stability, respectively.


K.Y. Sandhya Associate Professor Department of Chemistry Indian Institute of Space Science and Technology, IIST Valiamala Post Pin. 695-547 Thiruvananthapuram Kerala India Tel.: +91 71-2568551, +91 9846430155

  1. This work was supported by Indian Institute of Space Science and Technology, IIST, Thiruvananthapuram.

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Received: 2020-03-30
Accepted: 2020-08-07
Published Online: 2021-12-30

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