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<p>To meet the growing need for better supercapacitor materials for a sustainable future, we created MnCo<sub>2</sub>O<sub>4.5</sub>/MoS<sub>2</sub> nanocomposites using easy hydrothermal and solution mixing methods. Pristine MnCo<sub>2</sub>O<sub>4.5</sub> exhibits uniform hexagonal platelet-like structures that are dispersed on thin MoS<sub>2</sub> nanosheets, which facilitate short-ion diffusion pathways. MnCo<sub>2</sub>O<sub>4.5</sub>/MoS<sub>2</sub> electrodes exhibit superior supercapacitive performances that possess a high specific capacitance of 672&#xa0;F/g&#xa0;(0.25 A/g). After 5000 charge and discharge cycles at a current density of 5 A/g, the MnCo<sub>2</sub>O<sub>4.5</sub>/MoS<sub>2</sub> nanocomposites showed a higher capacity retention of 81.6%.&#xa0;The positive synergistic effect and two-dimensional sheet-on-sheet nanocomposite structure of MnCo<sub>2</sub>O<sub>4.5</sub>/MoS<sub>2</sub> resulted in improved supercapacitance properties compared to toMnCo2O4.5 nanoparticles. MoS<sub>2</sub> nanosheets have several important functions: they provide surfaces for the spinel nanoparticles, help increase capacitance, and act as current collectors. </p>

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A facile hydrothermal synthesis of MnCo2O4.5/MoS2 nanocomposite for supercapacitor

  • 期刊论文

  • 发表日期：

    2025年7月12日

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  • N. Arun Balaji,
  • K. C. Ramya,
  • S. Harikrishnan

摘要

To meet the growing need for better supercapacitor materials for a sustainable future, we created MnCo2O4.5/MoS2 nanocomposites using easy hydrothermal and solution mixing methods. Pristine MnCo2O4.5 exhibits uniform hexagonal platelet-like structures that are dispersed on thin MoS2 nanosheets, which facilitate short-ion diffusion pathways. MnCo2O4.5/MoS2 electrodes exhibit superior supercapacitive performances that possess a high specific capacitance of 672 F/g (0.25 A/g). After 5000 charge and discharge cycles at a current density of 5 A/g, the MnCo2O4.5/MoS2 nanocomposites showed a higher capacity retention of 81.6%. The positive synergistic effect and two-dimensional sheet-on-sheet nanocomposite structure of MnCo2O4.5/MoS2 resulted in improved supercapacitance properties compared to toMnCo2O4.5 nanoparticles. MoS2 nanosheets have several important functions: they provide surfaces for the spinel nanoparticles, help increase capacitance, and act as current collectors.