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Four different morphologies of nanostructured MnO2 (nanospheres, nanosheets, nanoflowers and nanonods) were fabricated on a carbon fiber paper (CFP) substrate using a facile method of anodic electrodeposition by varying the H2SO4 concentration and current density. The fabricated composite electrodes were characterized by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD)...
Supercapacitors capable of providing high voltage, energy and power density but yet light, low volume occupying, flexible and mechanically robust are highly interesting and demanded for portable applications. Herein, freestanding flexible hybrid electrodes based on MnO2 nanoparticles grown on macroscopic carbon nanotube fibers (CNTf-MnO2) were fabricated, without the need of any metallic current collector...
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