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Co3Sn2/SnO2 Nanocomposite loaded on Cu foam as High-Performance Three-Dimensional Anode of Lithium-Ion Batteries

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. We herein synthesized a three-dimensional Co3Sn2/SnO2 nanocomposite on copper foam (3D-CS@CF) via a simple method followed by calcination and employed it as anode for lithium-ion batteries. The experimental results reveal that the Co3Sn2 and SnO2 nanoparticles are loaded on the copper skeleton uniformly, and the 3D-CS@CF nanocomposite possesses a cross-linked 3D network. As a binder- and conductive-free anode of LIBs, the 3D Co3Sn2/SnO2 exhibits good electrochemical performance with a high reversible capacity of 1010.5 mAh/g at a current density of 250 mA/g after 100 cycles. The extraordinary performance can be ascribed to the unique 3D architecture of the 3D-CS@CF, which inhibits the aggregation, accommodated volume expansion, provides path for fast ionic diffusion and electron transport. And the positive synergistic effect of Co3Sn2 and SnO2 nanoparticles benefits the electrochemical reaction process.

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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., 2018, Accepted Manuscript
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    Co3Sn2/SnO2 Nanocomposite loaded on Cu foam as High-Performance Three-Dimensional Anode of Lithium-Ion Batteries

    D. Zhang, C. Bi, Q. Wu, G. Hou, G. Zheng, M. Wen and Y. Tang, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ04863K

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