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- W2890777289 abstract "In this paper, a core-shell multi-dimensional nanoarchitecture based on the uniform and well-aligned 0-dimension (0D) Co(OH)2 nanoparticles (NPs)/2-dimension (2D) Ni3S2 nanosheets (NSs) composites grown on 1-dimension (1D) SiC nanowire networks (NNs) skeletons with splendid resistances to oxidation and erosion, good conductivity and large specific surface area is rationally designed and constructed by a simple hydrothermal and electrodeposition route for the first time, which can act as an advanced free-standing electrode for high-performance asymmetric supercapacitor (ASC). The intriguing structural merits make the obtained [email protected](OH)2/Ni3S2 hybrid electrode possess the superior electrochemical performances with specific capacitance of 2318 F g−1 (i.e. 2.56 F cm−2) at a current density of 6 mA cm−2 and a prominent rate capability of ∼86% at 20 mA cm−2, and it is superior than that of solitary [email protected](OH)2, [email protected]3S2 and Co(OH)2/Ni3S2 electrodes. Interestingly, the hybrid electrode can exhibit stable electrochemical performances at wide temperature range of 25–75 °C, even through it was cold down to 25 °C again, its capacitive features is virtually coincident with the initial state. In addition, a hybrid ASC is fabricated with the [email protected](OH)2/Ni3S2 as a positive electrode and [email protected]2O3 nanoneedle arrays as a negative electrode to achieve high energy density of 81 W h kg−1 at a power density of 1.2 kW kg−1 and delivers amazing cycling stability of 85.1% retention over 5000 cycles. The findings offer an example about the reasonable design of an efficient multi-dimensional nanostructure electrode for ASCs with high energy density, holding great application prospects for future multifunctional electronic devices." @default.
- W2890777289 created "2018-09-27" @default.
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- W2890777289 date "2019-02-01" @default.
- W2890777289 modified "2023-10-15" @default.
- W2890777289 title "Novel core-shell multi-dimensional hybrid nanoarchitectures consisting of Co(OH)2 nanoparticles/Ni3S2 nanosheets grown on SiC nanowire networks for high-performance asymmetric supercapacitors" @default.
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- W2890777289 doi "https://doi.org/10.1016/j.cej.2018.09.107" @default.
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