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Amorphous Tin-based Nanohybrid for Ultra-stable Sodium Storage


The nature abundance of sodium resource makes sodium-ion batteries a potential and promising alternative to lithium ion batteries technology for large-scale energy storage application. However, the long-term stability of sodium ion batteries is largely hindered by the widely employed crystalline electrode materials, for example tin-based compounds, because of their structure degradation and pulverization during cycling. Herein, an ultra-stable sodium ion batteries anode material by rationally manipulating the crystalline tin-based compound into amorphous structure is reported here first timely. Typically, a phosphorus-containing monomer is polymerized on the tin oxide quantum dots dispersed on graphene oxide nanosheets, which further mediate formation of a stable and amorphous tin-based hybrid at elevated temperatures. The robust cyclability and structural stability are well demonstrated by performance evaluation and ex-situ characterization. The unique structure design proposed here may open-up new avenues for developing advanced metal oxides anode materials for sodium ion batteries.

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Publication details

The article was received on 07 Jun 2018, accepted on 30 Jul 2018 and first published on 08 Aug 2018

Article type: Paper
DOI: 10.1039/C8TA05390A
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Amorphous Tin-based Nanohybrid for Ultra-stable Sodium Storage

    Z. Li, J. Feng, H. Hu, Y. Dong, H. Ren, W. Wu, Z. Hu and M. Wu, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA05390A

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