硅泥在锂离子电池中的应用研究进展

刘鹏东, 王桢, 刘永锋, 温广武

Research Progress on the Application of Silicon Slurry in Lithium-ion Batteries

LIU Pengdong, WANG Zhen, LIU Yongfeng, WEN Guangwu

图3 不同方法硅泥纳米化的原理和表征

Fig. 3 Principle and characterization of nano-sized silicon sludge by different methods (a) Schematic diagram of preparing nano silicon by ball milling[59]; (b) SEM image of nano silicon prepared by stirring ball milling[61]; (c) SEM image of nano silicon prepared by transferred arc thermal plasma[62]; (d) Schematic diagram and (e) nitrogen adsorption-desorption isotherm of nano silicon by silver-assisted chemical etching[64]; (f) Schematic diagram and (g) SEM images of nano silicon by electrothermal shock method[66]; Nano silicon prepared by calcine dealloying: (h) charge-discharge curves and (i) SEM images of cross section for the working electrodes in the fresh and during initial lithiation process[67]