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Issue 3, 2019
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Co3Sn2/SnO2 nanocomposite loaded on Cu foam as high-performance three-dimensional anode for lithium-ion batteries

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Abstract

It is a challenge to commercialize tin dioxide-based anodes for lithium-ion batteries due to their low rate capability and poor cycling performance of the electrodes. Herein, we synthesized a three-dimensional Co3Sn2/SnO2 nanocomposite on copper foam (3D-CS@CF) via a simple method followed by calcination, and employed it as an anode for lithium-ion batteries. The experimental results reveal that the Co3Sn2 and SnO2 nanoparticles were uniformly loaded on the copper skeleton, and the 3D-CS@CF nanocomposite possessed a cross-linked 3D network. As a binder- and conductive-free anode for LIBs, 3D Co3Sn2/SnO2 exhibited good electrochemical performance with a high reversible capacity of 1010.5 mA h gāˆ’1 at a current density of 250 mA gāˆ’1 after 100 cycles. The extraordinary performance can be ascribed to the unique 3D architecture of the 3D-CS@CF, which inhibits aggregation and accommodates volume expansion, providing a path for the fast ionic diffusion and electron transport. The positive synergistic effect of Co3Sn2 and SnO2 nanoparticles also benefits the electrochemical reaction process.

Graphical abstract: Co3Sn2/SnO2 nanocomposite loaded on Cu foam as high-performance three-dimensional anode for lithium-ion batteries

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Publication details

The article was received on 26 Sep 2018, accepted on 30 Nov 2018 and first published on 04 Dec 2018


Article type: Paper
DOI: 10.1039/C8NJ04863K
Citation: New J. Chem., 2019,43, 1238-1246

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    Co3Sn2/SnO2 nanocomposite loaded on Cu foam as high-performance three-dimensional anode for lithium-ion batteries

    D. Zhang, C. Bi, Q. Wu, G. Hou, G. Zheng, M. Wen and Y. Tang, New J. Chem., 2019, 43, 1238
    DOI: 10.1039/C8NJ04863K

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