期刊
NANO LETTERS
卷 13, 期 4, 页码 1800-1805出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl400418c
关键词
Monodisperse nanocrystals; energy storage; tin; lithium alloys; mechanical damage
类别
资金
- Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies of the U.S. Department of Energy (DOE) under the Batteries for Advanced Transportation Technologies (BATT) Program
- DOE Early Career Research Program grant
- DOE Office of Science, Office of Basic Energy Sciences
- United States Government
- [DE-AC02-05CH11231]
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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