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Synthesis of Nanostructured SnO2/C Microfibers with Improved Performances as Anode Material for Li-Ion Batteries

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Nanostructured SnO2/C microfibers were prepared by thermal decomposition of tin alginate fibers produced via wet-spinning technique. Results of X-ray diffraction and scanning electron microscopy show that the as-obtained SnO2/C microfibers consist of nano-sized SnO2 crystals with a mean diameter of 10–15 nm. Transmission electron microscopy visualization reveals that the composite fibers exhibit a porous structure consisting of both micropores and mesopores. Electrochemical evaluations of cyclic voltammetry and galvanostatic charge-discharge indicate that the SnO2/C microfibers possess a high capacity and good rate capability compared with commercial SnO2. The improved performances of SnO2/C fibers can be attributed to the nano-size of SnO2 particles dispersed in carbon matrix and the existing nanopores in the SnO2/C microfibers.
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Document Type: Research Article

Publication date: March 1, 2012

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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