摘要
An efficient fluidization process intensification method was proposed to prepare carbon nanotube(CNT)-enhanced high-performance SiO anodes for lithium-ion batteries.The introduction of graphite particles decreased bonding among SiO particles,inhibiting agglomerate growth and enhancing fluidization.The(SiO+G)/CNTs composites were synthesized by fluidized bed chemical vapor deposition with the CNTs grown in-situ,which ensured uniform dispersion and superior anchoring of the CNTs.The in-situ-grown CNTs and stacked graphite ensured excellent structural stability and conductivity.The synthesized(SiO+G)/CNTs delivered a stable reversible capacity of 466 mAh g^(−1) after 125 cycles and a capacity of∼200 mAh g^(−1) at 2 A g^(−1).The charging results indicated that the 3D network structure comprising CNTs and graphite not only effectively buffered the electrode expansion but also greatly improved mechanical flexibility.
基金
This work was financially supported by the National Natural Science Foundation of China(Grant Nos.21736010,51602313,51801201,11805227)
Key Research Program of Nanjing IPE Institute of Green Manufacturing Industry(No.E0010704)
Key Research Program of Frontier Sciences,Chinese Academy of Sciences(Grant No.ZDBS-LY-JSC041).
作者简介
Corresponding authors at:Pengpeng Lv,State key Laboratory of Multiphase Complex Systems,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China.E-mail addresses:lvpengpeng@ipe.ac.cn(P.Lv);Corresponding authors:Qingshan Zhu.E-mail addresses:qszhu@ipe.ac.cn(Q.Zhu).
