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Monodisperse tin nanoparticles and hollow tin oxide nanospheres as anode materials for high performance lithium ion batteries

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Abstract

Sn-Based materials are considered as promising anode materials for lithium ion batteries due to their high theoretical capacities; however, aggregation of electrochemically active particles and pulverization resulting from huge volume changes during alloying/dealloying severely limit their performance. To solve these problems, nanosized and hollow structures have been proposed. Herein, uniform solid Sn nanoparticles and hollow/amorphous SnOx nanospheres are prepared accordingly and their electrochemical performances as anode materials in lithium ion batteries have been evaluated. Uniform solid Sn nanoparticles deliver a capacity of 416.4 mA h g−1 for 400 cycles at a current of 500 mA g−1, corresponding to a high capacity retention of 81.1%. Furthermore, hollow/amorphous SnOx nanospheres show a high capacity retention of 81.3% for 400 cycles at a current of 500 mA g−1 and exhibit a good rate capability (retains 58.0% of the capacity at 1000 mA g−1 with respect to 100 mA g−1). It is believed that their good electrochemical performances mainly originate from their small sizes (<20 nm) and unique nanoarchitectures.

Graphical abstract: Monodisperse tin nanoparticles and hollow tin oxide nanospheres as anode materials for high performance lithium ion batteries

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Publication details

The article was received on 22 Oct 2018, accepted on 13 Dec 2018 and first published on 17 Dec 2018


Article type: Research Article
DOI: 10.1039/C8QI01143E
Citation: Inorg. Chem. Front., 2019, Advance Article
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    Monodisperse tin nanoparticles and hollow tin oxide nanospheres as anode materials for high performance lithium ion batteries

    X. Zhao, W. Wang, Z. Hou, Y. Yu, Q. Di, X. Wu, G. Wei, Z. Quan and J. Zhang, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C8QI01143E

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