Anchoring ultra-fine TiO2-SnO2 solid solution particles onto graphene by one-pot ball-milling for long-life lithium-ion batteries

Sheng Li; Min Ling; Jingxia Qiu; Jisheng Han; Shanqing Zhang

doi:10.1039/c5ta01350j

Anchoring ultra-fine TiO₂-SnO₂ solid solution particles onto graphene by one-pot ball-milling for long-life lithium-ion batteries

Sheng Li, Min Ling, Jingxia Qiu, Jisheng Han, Shanqing Zhang

Griffith University Queensland

Research output: Contribution to journal › Article › peer-review

51 Scopus citations

Abstract

A low cost, up-scalable and one-pot wet-mechanochemical approach is designed for fabricating TiO₂-SnO₂@graphene nanocomposites where TiO₂ and SnO₂ solid solution nanoparticles are evenly anchored on graphene sheets. As an anode material of lithium ion batteries (LIBs), the as-prepared nanocomposites deliver a superior rate performance of 388 mA h g^-1 at 1.5 A g^-1 and an outstanding reversible cycling stability (617 mA h g^-1 at 0.4 A g^-1 after 750 cycles, 92.2% capacity retention), due to the synergistic effects contributed from individual components, i.e., high specific capacity of SnO₂, excellent conductivity of 3D porous graphene networks, good rate capability and structural stability of TiO₂ structures.

Original language	English
Pages (from-to)	9700-9706
Number of pages	7
Journal	Journal of Materials Chemistry A
Volume	3
Issue number	18
DOIs	https://doi.org/10.1039/c5ta01350j
State	Published - 14 May 2015
Externally published	Yes

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abstract = "A low cost, up-scalable and one-pot wet-mechanochemical approach is designed for fabricating TiO2-SnO2@graphene nanocomposites where TiO2 and SnO2 solid solution nanoparticles are evenly anchored on graphene sheets. As an anode material of lithium ion batteries (LIBs), the as-prepared nanocomposites deliver a superior rate performance of 388 mA h g-1 at 1.5 A g-1 and an outstanding reversible cycling stability (617 mA h g-1 at 0.4 A g-1 after 750 cycles, 92.2% capacity retention), due to the synergistic effects contributed from individual components, i.e., high specific capacity of SnO2, excellent conductivity of 3D porous graphene networks, good rate capability and structural stability of TiO2 structures.",

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AU - Han, Jisheng

AU - Zhang, Shanqing

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AB - A low cost, up-scalable and one-pot wet-mechanochemical approach is designed for fabricating TiO2-SnO2@graphene nanocomposites where TiO2 and SnO2 solid solution nanoparticles are evenly anchored on graphene sheets. As an anode material of lithium ion batteries (LIBs), the as-prepared nanocomposites deliver a superior rate performance of 388 mA h g-1 at 1.5 A g-1 and an outstanding reversible cycling stability (617 mA h g-1 at 0.4 A g-1 after 750 cycles, 92.2% capacity retention), due to the synergistic effects contributed from individual components, i.e., high specific capacity of SnO2, excellent conductivity of 3D porous graphene networks, good rate capability and structural stability of TiO2 structures.

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Anchoring ultra-fine TiO₂-SnO₂ solid solution particles onto graphene by one-pot ball-milling for long-life lithium-ion batteries

Abstract

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