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Novel MnO multi-core@nitrogen-doped carbon shell nanoparticles (MCNCmSPs) were developed through a facile polydopamine adhesive-assisted compositing procedure. Owing to their advanced multi-core@shell nanostructure, the as-prepared MCNCmSPs exhibited remarkable electrochemical performance as lithium-ion battery anode.
A class of carbon/silica composite with a porous bicontinuous nanostructure is prepared via a simple sol–gel method and then used as anode material for lithium-ion batteries. The reversible specific capacity of the as-prepared composite stays over 560mAhg−1 after 30 cycles, much higher than that of many other carbon materials including commercial graphite and carbon/silica composites. The good electrochemical...
A simple and efficient method to tailor the pore size of wormholelike mesoporous carbons (WMCs) has been developed by adding a proper amount of hydrofluoric acid (HF) during the sol-gel process of tetraethyl orthosilicate (TEOS). It was found that the pore size increased obviously from 3.1 to 8.5nm when increasing HF/TEOS molar ratio from 0 to 1/7. Brunauer–Emmett–Teller surface area decreased accordingly...
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