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Micro/nano hierarchical structures with uniformly patterned nanostructures shell and activated internal core are promising for boosting electrochemical performance. Here we report the fabrication of wire-shaped supercapacitive electrodes with manganese dioxide (MnO2) nanostructures shell integrated onto activated carbon fiber (ACF) core. The ACF core is doped with nitrogen heteroatom and shows good...
A simple and low-cost strategy is developed to fabricate three-dimensional (3D) nitrogen-doped carbon cloth electrode through surface activation and nitrogen-doping process. The process can exfoliate the smooth surfaces of micro carbon fibers into nanostructures together with the doping of nitrogen-containing species. The as-fabricated carbon cloth electrode shows excellent areal capacitances of 882...
The p-phenylenediamine (PPD) modified graphene oxide (GO)/reduced graphene oxide (rGO) composite materials were synthesized by a facile solution processing with two different routes: ‘Reaction first then Reduction’ and ‘Reduction first then Reaction’, which are referred to as GPPDH and GHPPD, respectively. The two composites were employed as active supercapacitor electrode materials, their electrochemical...
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