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One-pot synthesis of tin-borophosphate-carbon composites as anode materials for Li-ion batteries

Abstract : Snx(Ca0.05B0.975P0.975O3.95)1−x/C composites as anode material for Li-ion batteries, with x=0.83 and x=0.71 were synthesized by a facile route including cellulose as carbon source. The composites were characterized by X-ray diffraction, scanning electron microscopy, Raman spectroscopy and 119Sn Mössbauer spectroscopy. In the latter case, different tin phases were found in the composite including the SnII-based amorphous interface between metallic tin and borophosphate particles that improves the dispersion of the active species. The best electrochemical performances were obtained for x=0.71 that were further improved by ball-milled the composite with a small amount of carbon black.
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https://hal.sorbonne-universite.fr/hal-01492675
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Submitted on : Monday, March 20, 2017 - 2:05:12 PM
Last modification on : Thursday, September 24, 2020 - 11:28:02 AM

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Mohamed Mouyane, Jean-Claude Jumas, Josette Olivier-Fourcade, Sophie Cassaignon, Christian Jordy, et al.. One-pot synthesis of tin-borophosphate-carbon composites as anode materials for Li-ion batteries. Journal of Solid State Chemistry, Elsevier, 2016, 233, pp.52 - 57. ⟨10.1016/j.jssc.2015.10.007⟩. ⟨hal-01492675⟩

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