Nanospace-confined formation of flattened Sn sheets in pre-seeded graphenes for lithium ion batteries

Flattened Sn sheets are prepared from the pre-seeded Sn salt in the interlayer nanospace of a graphene membrane, which acts as a template to shape Sn crystals and prevent the aggregation. The sandwich structure clamping Sn sheets accommodates the volume change during charge/discharge. We show that t...

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Bibliographic Details
Published in:Nanoscale 2014-08, Vol.6 (16), p.9554-9558
Main Authors: Li, Zhengjie, Lv, Wei, Zhang, Chen, Qin, Jiwen, Wei, Wei, Shao, Jiao-Jing, Wang, Da-Wei, Li, Baohua, Kang, Feiyu, Yang, Quan-Hong
Format: Article
Language:English
Subjects:
Agglomeration
Crystals
Flattening
Graphene
Interlayers
Lithium-ion batteries
Nanostructure
Tin
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Summary:Flattened Sn sheets are prepared from the pre-seeded Sn salt in the interlayer nanospace of a graphene membrane, which acts as a template to shape Sn crystals and prevent the aggregation. The sandwich structure clamping Sn sheets accommodates the volume change during charge/discharge. We show that the hybrid possesses excellent rate performance and cycling stability as an anode for lithium ion batteries.
ISSN:2040-3364
2040-3372
DOI:10.1039/c4nr01924e