Size effect of Si particles on the electrochemical performances of Si/C composite anodes*

Project supported from the “Strategic Priority Research Program” of the Chinese Academy of Sciences (Grant No. XDA09010102).

Liu Bonan1, 2, Lu Hao1, 2, Chu Geng3, Luo Fei4, Zheng Jieyun1, Chen Shimou3, Li Hong1, 2, †
       

(color online) (a) Charging and discharging curves of the first cycle and (b) dQ/dV curves corresponding to the de-lithiation process. (c) Cycling performances and (d) Coulombic efficiencies of the Si/C composites as a function of the number of cycles at a current density of 0.12 A/g in the voltage window of 0.005 V–1 V.