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- W3124667206 abstract "In material science, the synergistic effect comes into the picture when the physical and/or chemical properties of a composite material improve noticeably in comparison to that demonstrated by its forming individual components. This work represents the facile synthesis of CoMn2O4 (CMO) and CoMn2O4@MoS2 (CMOS) nanocomposites via a co-precipitation synthesis approach. In this study, amounts of CMO precursors were kept constant and the effect of MoS2 addition on the electrochemical properties of the nanocomposite has been investigated. The substantial improvement in the electrochemical performance of the nanocomposite after adding MoS2 contents with CMO can be attributed to the synergistic effect. The CMOS nanocomposite synthesized using 20% MoS2 uniform dispersion (abbreviated as CMOS20) exhibits maximum improvement in the electrochemical properties which is ascribed to its higher specific surface area (74 m2 g−1) and hierarchical pore size distribution. When examined in a conventional three-electrode system with 2 M KOH aqueous electrolyte, CMOS20 nanocomposite demonstrates high specific capacitances of 422 F g−1 at 0.5 A g−1, good cyclability, high-rate capability and higher diffusion coefficients (1.96 × 10−10 cm2 s−1). An asymmetric supercapacitor device designed using CMOS20 nanocomposite cathode and activated carbon anode exhibit maximum specific energy of 37 W h kg−1 and the maximum specific power of 5000 W kg−1. This practical device can light up a red LED for more than 3 min. We believe the facile synthesis approach and promising electrochemical results assert the potential of our designed CMOS20 nanocomposite in the development of high-performance practical supercapacitor devices." @default.
- W3124667206 created "2021-02-01" @default.
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- W3124667206 date "2021-03-01" @default.
- W3124667206 modified "2023-10-16" @default.
- W3124667206 title "CoMn2O4 Nanoparticles Decorated on 2D MoS2 Frame: A Synergetic Energy Storage Composite Material for Practical Supercapacitor Applications" @default.
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- W3124667206 doi "https://doi.org/10.1016/j.est.2021.102302" @default.
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