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- W2969684275 abstract "Recently, self-coupled, mixed phase metal sulfide-based composites have attracted widespread attention as an electrode material for supercapacitors owing to their superior conductivity, high electrochemical activity and excellent redox capacity. Herein, an incorporated 2-dimensional (2D) polycrystalline phase of NiS2@NiV2S4 ([email protected]) nanostructure was synthesized via facile hydrothermal technique. The synthesized nanocomposite showed mixed crystalline phases of NiS2 (cubic) and NiV2S4 (monoclinic) with 2D nanoflake morphology. The electrochemical behavior of [email protected] electrode was investigated by three-electrode cell, which showed a maximum capacity of 520C g−1 at 1 A g−1 in 6 M KOH electrolyte. In addition, a supercapattery was designed with [email protected] as a positive electrode and N-O enrich activated carbon as the negative electrode materials. The resultant supercapattery operated within a cell voltage of 1.6 V with good specific capacity (Csp) value of 78C g−1 at 0.5 A g−1 and exhibited high specific energy of 19.4 Wh kg−1 at a specific power of 140 W kg−1. Moreover, the hybrid device demonstrated a remarkable cycling stability of 90% for 10,000 charge-discharge cycles at a current density of 6 A g−1. Utilizing the high energy storage performance, the fabricated supercapattery was employed as a power source to drive various portable electronic appliances." @default.
- W2969684275 created "2019-08-29" @default.
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- W2969684275 date "2019-12-01" @default.
- W2969684275 modified "2023-10-14" @default.
- W2969684275 title "Self-coupled nickel sulfide @ nickel vanadium sulfide nanostructure as a novel high capacity electrode material for supercapattery" @default.
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- W2969684275 doi "https://doi.org/10.1016/j.apsusc.2019.143778" @default.
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