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Yan Gu, Fendan Wu and Yong Wang Confined Volume Change in Sn-Co-C Ternary Tube-in-Tube Composites for High-Capacity and Long-Life Lithium Storage Advanced Functional Materials 23

Version of Record online: 24 SEP 2012 | DOI: 10.1002/adfm.201202136

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A new Sn-Co-CNT@CNT tube-in-tube electrode nanostructure is designed and fabricated in this work. A large amount of small carbon nanotubes (CNTs) (≈25 nm) with supported Sn-Co nanoparticles are filled inside a large CNT (≈200 nm). This composite exhibits highly stable large capacities at both small and high current rates, which is mainly ascribed to the unique tube-in-tube electrode structure.

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