SnO2@MWCNT nanocomposite as a high capacity anode material for sodium-ion batteries

Publisher:
Elsevier Inc.
Publication Type:
Journal Article
Citation:
Electrochemistry Communications, 2013, 29 pp. 8 - 11
Issue Date:
2013-01
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We report the synthesis and characterization of SnO2@multiwalled carbon nanotubes (MWCNTs) nanocomposite as a high capacity anode material for sodium-ion battery. SnO2@MWCNT nanocomposite was synthesized by a solvothermal method. SEM and TEM analyses show the uniform distribution of SnO2 nanoparticles on carbon nanotubes. When applied as anode materials in Na-ion batteries, SnO2@MWCNT nanocomposite exhibited a high sodium storage capacity of 839 mAh gâ 1 in the first cycle. SnO2@MWCNT nanocomposite also demonstrated much better cycling performance than that of bare SnO2 nanoparticles and bare MWCNTs. Furthermore, the nanocomposite electrode also showed a good cyclability and an enhanced Coulombic efficiency on cycling.
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