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Iron oxide/carbon nanofibers (FeOx/CNFs) were prepared by electrospinning FeCl3·6H2O-polyacrylonitrile (PAN) precursors and heat treating at 400, 600, 800, 1000°C. As carbonization temperature increased, granular FeOx gradually migrated from nanofiber interior with effectual contacts between electrolyte and active materials rising at first and then falling; Oxidation states of iron in FeOx/CNFs changed...
Recently, phosphorus/carbon (P/C) composites as anode materials for lithium or sodium ion batteries have attracted intense attention owing to their high capacity, fast rate capability and long cycle life. However, the preparation methods of P/C composites were usually confined to high-energy mechanical ball milling and vaporization-condensation strategies. In this work, we reported a high-pressure-assisted...
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