Highly porous NiMoO4 tailored onto amine functionalized CNT as advanced nanocomposite electrocatalyst for supercapacitor application

  • Gracita M. Tomboc
  • Hern KimEmail author


In this study, the NiMoO4-carbon nanotubes (NiMoO4-CNTs) nanocomposite with interesting vertical nanosheet architecture and hierarchical mesoporous surface was synthesized via a simple hydrothermal treatment, followed by annealing process. The NiMoO4 nanoparticles were chemically tailored onto amine functionalized CNT through the reactive –NH2 group available; this noble electrode design not only resulted to remarkably high specific surface area of 181.88 m2 g−1 with numerous numbers of active sites, but also ensured outstanding mechanical and chemical stability that helped retained 91.93% capacity retention even after 5000 continuous cycles at fast scan rate. The fabricated NiMoO4-CNT electrode press deposited onto nickel foam substrate obtained specific capacitance of 611.69 F g−1 and 20.42 W h kg−1 energy density at 1 A g−1 current density. Furthermore, the annealing temperature was a critical factor during the synthesis of the modified material as it has direct effect on the structure and crystal phase, as well as to the amount of decomposed CNT; thus, the effect of using low and high annealing temperature towards the electrochemical activity of the modified material was extensively examined. The synthesized materials were investigated by using thermo gravimetric analysis, X-ray diffraction, field emission scanning electron micrographs equipped with energy dispersive X-ray spectrometer, and Brunauer–Emmett–Teller.



This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2018R1D1A1B07048146) and by the Korea Institute of Energy Technology Evaluation and Planning (KETEP)—Grants funded by the Ministry of Trade, Industry and Energy (MOTIE) (No. 20174010201160).


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Energy Science and Technology, Smart Living Innovation Technology CenterMyongji UniversityYonginRepublic of Korea

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