Monodisperse Sn Nanocrystals as a Platform for the Study of Mechanical Damage during Electrochemical Reactions with Li
Nano Letters2013Vol. 13(4), pp. 1800–1805
Citations Over TimeTop 1% of 2013 papers
Linping Xu, Chunjoong Kim, Alpesh Khushalchand Shukla, Angang Dong, Tracy M. Mattox, Delia J. Milliron, Jordi Cabana
Abstract
Monodisperse Sn spherical nanocrystals of 10.0 ± 0.2 nm were prepared in dispersible colloidal form. They were used as a model platform to study the impact of size on the accommodation of colossal volume changes during electrochemical lithiation using ex situ transmission electron microscopy (TEM). Significant mechanical damage was observed after full lithiation, indicating that even crystals at these very small dimensions are not sufficient to prevent particle pulverization that compromises electrode durability.
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