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High capacity nanocrystalline Sn anode for lithium ion batteries from hydrogenation induced phase segregation of bulk YSn2

Abstract

Hydrogenation of the bulk YSn2 intermetallic sample in mechanical milling yields a homogeneous nanocomposite composed of Sn nanocrystals dispersed in amorphous yttrium hydride (YHx) phase. The homogeneous Sn/YHx composite exhibits high volumetric capacity of 2594 mAh cm-3 after 1000 cycles at 500 mA g-1 as the anode material for lithium ion batteries. The hydrogenation induced phase segregation is a simple top-down approach to obtain high performance nanocrystalline Sn anode materials for lithium ion batteries.

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Publication details

The article was received on 04 Aug 2018, accepted on 10 Oct 2018 and first published on 13 Oct 2018


Article type: Communication
DOI: 10.1039/C8TA07578F
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    High capacity nanocrystalline Sn anode for lithium ion batteries from hydrogenation induced phase segregation of bulk YSn2

    X. Zheng, C. Yang, X. Chang, Z. Liu, X. Wu, H. Zhou, J. Zheng and X. Li, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA07578F

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