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We report an in situ carbothermic reduction process to prepare osiers-sprout-like heteroatom-doped carbon nanofibers. The dosage of copper salts and a unique annealing process have a crucial effect on the development of this unique carbon structure. A systematic analysis is performed to elucidate the possible mechanism of synthesis of the carbon nanofibers decorated with carbon bubbles. As anodes...
A simple, green, and scalable methodology has been developed for the formation of hollow porous SiO2 nanobelts, which demonstrates high reversible capacities, excellent capacity retention, and high rate capability as an anode for lithium-ion batteries (LIBs). The facile synthetic approach and superior Li-storage capabilities of hollow porous SiO2 nanobelts make it an ideal anodic candidate for advanced...
A novel type of NiO-based anodes, i.e., NiO@polypyrrole hollow spheres (NiO@PPy HSs), has been constructed by using SiO2 spheres as templates. The PPy component serves as an ideal supporting matrix for NiO anodes owing to its high structural stability and electrical conductivity. Thus, the NiO@PPy HSs demonstrate markedly enhanced lithium storage capabilities in terms of cycling stability compared...
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