Si@C core/shell Nanomaterials for High Performance Anode of Lithium Ion Batteries
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United States of America Patent
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Jun 11, 2015
app pub date -
Nov 13, 2014
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Dec 9, 2013
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Abstract
The present invention is to tackle the volume expansion problem of the Si anode materials in the application of lithium ion batteries. In the present invention, a simple and green hydrothermal method is use to form loosely packed Si@C core/shell structure. A carbon coating layer is formed on controllably aggregated silicon nanoparticles in a one-step procedure by the hydrothermal carbonization of a carbon-rich precursor.
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