Facile synthesis of SiO2/C composites as anode materials for lithium-ion batteries

摘要

In this article, we report a facile strategy for synthesizing SiO2/C composites, in which SiO2 nanocrystals are embedded in carbon matrix. When evaluated as an anode material for LIBs, the SiO2/C composites exhibited a reversible capacity of 888 mAh g (1) after 100 cycles at a current density of 100 mA g (1). The enhanced electrochemical performance can be attributed to their uniquely porous structure, which can effectively avoid volume expansion and improve electrical conductivity of SiO2. (C) 2017 Elsevier B.V. All rights reserved.