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Article Abstract
NiCo(OH) nanosheets coated CuCoO nanoneedles arrays were successfully designed and synthesized on carbon fabric. The core/shell nanoarchitectures directly served as the binder-free electrode with a superior capacity of 295.6mAhg at 1Ag, which still maintained 220mAhg even at the high current density of 40Ag, manifesting their enormous potential in hybrid supercapacitor devices. The as-assembled CuCoO@NiCo(OH)//AC hybrid supercapacitor device exhibited favorable properties with the specific capacitance as high as 90Fg at 1Ag and the high energy density of 32Whkg at the power density of 800Wkg. Furthermore, the as-assembled device also delivered excellent cycling performance (retaining 91.9% of the initial capacitance after 12,000 cycles at 8Ag) and robust mechanical stability and flexibility, implying the huge potential of present hierarchical electrodes in energy storage devices.
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| http://dx.doi.org/10.1016/j.scib.2017.08.014 | DOI Listing |
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