In Situ High-Resolution Transmission Electron Microscopy (TEM) Observation of Sn Nanoparticles on SnO2 Nanotubes Under Lithiation

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We trace Sn nanoparticles (NPs) produced from SnO2 nanotubes (NTs) during lithiation initialized by high energy e-beam irradiation. The growth dynamics of Sn NPs is visualized in liquid electrolytes by graphene liquid cell transmission electron microscopy. The observation reveals that Sn NPs grow on the surface of SnO2 NTs via coalescence and the final shape of agglomerated NPs is governed by surface energy of the Sn NPs and the interfacial energy between Sn NPs and SnO2 NTs. Our result will likely benefit more rational material design of the ideal interface for facile ion insertion.
Publisher
CAMBRIDGE UNIV PRESS
Issue Date
2017-12
Language
English
Article Type
Article
Keywords

LITHIUM-ION BATTERIES; GRAPHENE; GROWTH; NANOCRYSTALS; INTERFACE; NANOWIRE; DELITHIATION; STORAGE; ANODE

Citation

MICROSCOPY AND MICROANALYSIS, v.23, no.6, pp.1107 - 1115

ISSN
1431-9276
DOI
10.1017/S1431927617012739
URI
http://hdl.handle.net/10203/239481
Appears in Collection
MS-Journal Papers(저널논문)
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