Carbon coated SnO2 nanoparticles anchored on CNT as a superior anode material for lithium-ion batteries

Chunrong Ma; Weimin Zhang; Yu Shi He; Qiang Gong; Haiying Che; Zi Feng Ma

doi:10.1039/c5nr07996a

Carbon coated SnO₂ nanoparticles anchored on CNT as a superior anode material for lithium-ion batteries

Chunrong Ma
, Weimin Zhang^*
, Yu Shi He
, Qiang Gong
, Haiying Che
, Zi Feng Ma

^*Corresponding author for this work

Shanghai Jiao Tong University
Sinopoly Battery Research Centre

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

139 Citations (Scopus)

Abstract

Hierarchically structured carbon coated SnO₂ nanoparticles well-anchored on the surface of a CNT (C-SnO₂/CNT) material were synthesized by a facile hydrothermal process and subsequent carbonization. The as-obtained C-SnO₂/CNT hybrid, when applied as an anode material for lithium ion batteries (LIBs), showed a high reversible capacity up to 1572 mA h g^-1 at 200 mA g^-1 with a superior rate capability (685 mA h g^-1 at 4000 mA g^-1). Even after 100 charge/discharge cycles at 1000 mA g^-1, a specific capacity of 1100 mA h g^-1 can still be maintained. Such impressive electrochemical performance can be mainly attributed to the hierarchical sandwiched structure and strong synergistic effects of the ultrafine SnO₂ nanoparticles and the carbon coating, and thus presents this material a promising anode material for LIBs.

Original language	English
Pages (from-to)	4121-4126
Number of pages	6
Journal	Nanoscale
Volume	8
Issue number	7
DOIs	https://doi.org/10.1039/c5nr07996a
Publication status	Published - 21 Feb 2016
Externally published	Yes

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This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

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10.1039/c5nr07996a

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title = "Carbon coated SnO2 nanoparticles anchored on CNT as a superior anode material for lithium-ion batteries",

abstract = "Hierarchically structured carbon coated SnO2 nanoparticles well-anchored on the surface of a CNT (C-SnO2/CNT) material were synthesized by a facile hydrothermal process and subsequent carbonization. The as-obtained C-SnO2/CNT hybrid, when applied as an anode material for lithium ion batteries (LIBs), showed a high reversible capacity up to 1572 mA h g-1 at 200 mA g-1 with a superior rate capability (685 mA h g-1 at 4000 mA g-1). Even after 100 charge/discharge cycles at 1000 mA g-1, a specific capacity of 1100 mA h g-1 can still be maintained. Such impressive electrochemical performance can be mainly attributed to the hierarchical sandwiched structure and strong synergistic effects of the ultrafine SnO2 nanoparticles and the carbon coating, and thus presents this material a promising anode material for LIBs.",

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AU - Ma, Chunrong

AU - Zhang, Weimin

AU - He, Yu Shi

AU - Gong, Qiang

AU - Che, Haiying

AU - Ma, Zi Feng

PY - 2016/2/21

Y1 - 2016/2/21

N2 - Hierarchically structured carbon coated SnO2 nanoparticles well-anchored on the surface of a CNT (C-SnO2/CNT) material were synthesized by a facile hydrothermal process and subsequent carbonization. The as-obtained C-SnO2/CNT hybrid, when applied as an anode material for lithium ion batteries (LIBs), showed a high reversible capacity up to 1572 mA h g-1 at 200 mA g-1 with a superior rate capability (685 mA h g-1 at 4000 mA g-1). Even after 100 charge/discharge cycles at 1000 mA g-1, a specific capacity of 1100 mA h g-1 can still be maintained. Such impressive electrochemical performance can be mainly attributed to the hierarchical sandwiched structure and strong synergistic effects of the ultrafine SnO2 nanoparticles and the carbon coating, and thus presents this material a promising anode material for LIBs.

AB - Hierarchically structured carbon coated SnO2 nanoparticles well-anchored on the surface of a CNT (C-SnO2/CNT) material were synthesized by a facile hydrothermal process and subsequent carbonization. The as-obtained C-SnO2/CNT hybrid, when applied as an anode material for lithium ion batteries (LIBs), showed a high reversible capacity up to 1572 mA h g-1 at 200 mA g-1 with a superior rate capability (685 mA h g-1 at 4000 mA g-1). Even after 100 charge/discharge cycles at 1000 mA g-1, a specific capacity of 1100 mA h g-1 can still be maintained. Such impressive electrochemical performance can be mainly attributed to the hierarchical sandwiched structure and strong synergistic effects of the ultrafine SnO2 nanoparticles and the carbon coating, and thus presents this material a promising anode material for LIBs.

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DO - 10.1039/c5nr07996a

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ER -

Carbon coated SnO₂ nanoparticles anchored on CNT as a superior anode material for lithium-ion batteries

Abstract

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