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The composite supercapacitor electrodes are fabricated by facile electrochemical deposition of Ni(OH)2 nanosheets on NiCo2O4 nanowire arrays which are grown radially on carbon fiber. The composite electrodes offer specific capacitance of 2400F/g at 1mA/cm2, excellent rate capability of 89% as the current density increasing from 1 to 20mA/cm2. Electrochemical performances are investigated at different...
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