Jump to main content
Jump to site search


Self-assembled Mn3O4 nano-clusters over carbon nanotube threads with enhanced supercapacitor performance

Author affiliations

Abstract

A well defined carbon nanotube threaded trimanganese tetroxide (Mn3O4@CNT) nanocomposite has been fabricated through a facile hydrothermal route using acetylacetone as a chelating agent. The Mn3O4 nano-clusters are formed by the self-assembly of numerous Mn3O4 nanostructures and the CNTs are uniformly decorated on the body of Mn3O4 nano-clusters to improve the conductivity of the composite. The porous and well-designed architecture of the Mn3O4@CNT composite could be expected to offer more electroactive sites for pseudocapacitive reactions and shorten the transportation path for the electrolyte ions. Due to these properties as well as the synergistic effect of CNTs and Mn3O4 nano-clusters, the as-synthesized Mn3O4@CNT composite, which was primarily used as a pseudocapacitive material, showed a higher specific capacitance of 81.9 F g−1 at a current density of 0.6 A g−1 with good cycling stability. The delivered capacitance of the composite is comparatively higher than that of the pristine Mn3O4 (53.5 F g−1). The facile preparation approach to balance the higher electrochemical properties of the transition metal oxides with highly conductive carbon nanotubes provides the potential for the development of novel nanocomposites for energy storage devices.

Graphical abstract: Self-assembled Mn3O4 nano-clusters over carbon nanotube threads with enhanced supercapacitor performance

Back to tab navigation

Supplementary files

Publication details

The article was received on 25 Sep 2018, accepted on 25 Oct 2018 and first published on 29 Oct 2018


Article type: Paper
DOI: 10.1039/C8NJ04850A
Citation: New J. Chem., 2018, Advance Article
  •   Request permissions

    Self-assembled Mn3O4 nano-clusters over carbon nanotube threads with enhanced supercapacitor performance

    V. Hiremath, M. Cho and J. G. Seo, New J. Chem., 2018, Advance Article , DOI: 10.1039/C8NJ04850A

Search articles by author

Spotlight

Advertisements