Facile Synthesis of Biocarbon-Based MoS2Composite for High-Performance Supercapacitor Application

Hansa Mahajan, Kannan Udaya Mohanan, Seongjae Cho

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


Nanocomposites are gaining high demand for the development of next-generation energy storage devices because of their eco-friendly and cost-effective natures. However, their short-term energy retainability and marginal stability are regarded as hindrances to overcome. In this work, we demonstrate a high-performance supercapacitor fabricated by biocarbon-based MoS2(Bio-C/MoS2) nanoparticles synthesized by a facile hydrothermal approach using date fruits. Here, we report the high specific capacitance for a carbon-based nanocomposite employing the pyrolysis technique of converting agricultural biowaste into a highly affordable energy resource. The biocompatible Bio-C/MoS2nanospheres exhibited a high capacitance of 945 F g-1at a current density of 0.5 A g-1and an excellent reproducing stability of 92% after 10000 charge/discharge cycles. In addition, the Bio-C/MoS2NS showed an exceptional power density of 3800-8000 W kg-1and an energy density of 74.9-157 Wh kg-1. The results would pave a new strategy for design of eco-friendly materials toward the high-performance energy storage technology.

Original languageEnglish
Pages (from-to)8161-8167
Number of pages7
JournalNano Letters
Issue number20
StatePublished - 26 Oct 2022

Bibliographical note

Funding Information:
This research was supported by National R&D Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (Grant 2021M3H4A6A01048300).

Publisher Copyright:
© 2022 American Chemical Society. All rights reserved.


  • biocarbon
  • hydrothermal synthesis
  • MoScomposite
  • nanocomposite electrodes
  • supercapacitors


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