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Carbon nanotubes (CNTs) with excellent electron conductivity are widely used to improve the electrochemical performance of the SnO2 anode. However, the chemical bonding between SnO2 and CNTs is not clearly elucidated despite it may affect the lithiation/delithiation behavior greatly. In this work, an SnO2@CNT composite with SnC and SnOC bonds as a linkage bridge is reported and the influence of...
Super P was firstly used to enhance the electrochemical performance of SnO2 as anode in Na-ion battery. This composite was prepared by a simple hydrothermal method, exhibiting uniformly dispersed SnO2 nanoparticles on the super P carbon spheres. The SnO2/C nanocomposite could deliver a discharge capacity of 293 mAh g−1 after 100 cycles at a current density of 50 mA g−1. Even at 1000 mA g−1, a capacity...
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