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A yolk–shell Sn@C nanobox composite with controllable structures has been synthesized using a facile approach. The void space is engineered to fit the volume expansion of Sn during cycling. It is demonstrated that the shell thickness of carbon nanobox has substantial influence on both nanostructures and the electrochemical performance. With an optimized shell thickness, a high reversible capacity...
In article number 1606023, Chengzhong Yu and co‐workers describe the synthesis of novel yolk‐shell Sn@C nanoboxes via a facile, template‐free strategy. The thickness of the carbon shell is proved crucial to the nanostructure and electrochemical performance. With an optimized thickness, the Sn@C nanoboxes exhibit a high specific capacity, excellent rate capability, and long cycle life as an anode in...
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