One-step synthesis of vanadium-doped anatase mesocrystals for Li-ion battery anodes
Here we report a successful one-step synthesis of vanadium-doped anatase mesocrystals by reactive annealing of NH 4 TiOF 3 /PEG2000 mesocrystal precursors with NH 4 VO 3 . The formation solid solution Ti 1− x V x O 2 with vanadium content up to x = 25 at% inheriting the structure of mesocrystals is observed for the first time. The doping mechanism via vapor phase transport of vanadium is proposed. The Ti 1− x V x O 2 mesocrystals exhibit improved specific capacity of 175 mAh g −1 (compared to 150 mAh g −1 for pure anatase phase) and decreased potential gap between charge and discharge processes.
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Nanomaterials
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Electronic Materials Letters
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Progress in Materials Science
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MDPI
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OOO Zhurnal "Mendeleevskie Soobshcheniya"
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