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In this work, a high-performance asymmetric supercapacitor has been developed by using porous vanadium pentoxide (V2O5) nanotubes as positive electrode and activated carbon nanorods as negative electrode in an aqueous 2 M LiNO3 electrolyte. To maximize the energy density of the asymmetric supercapacitor, the initial potentials of work electrodes are tuned to different values (0 V, −0.1 V, −0.2 V,...
The carbon spheres aggregations (Csa) were synthesized by carbonation of polystyrene spheres aggregations which were prepared by suspension polymerization of styrene. And polyaniline (PANI) was grown on surface of Csa successfully by chemical oxidative polymerization aniline (ANI). Their structures and morphologies were characterized by field emission scanning electron microscopy and Fourier transform...
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