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1 硅负极存在的问题及硅泥的来源和特征

Fig. 1 Problems of Si anode and the sources and characteristics of silicon sludge (a) Lithiation/delithiation curves of Si anode at both 450 ℃ and room temperature[5]; (b) Problems in the process of Si anode lithiation/delithiation[8]; (c) Relationship between diameter size and cracking upon lithiation of individual nano silicon[9]; (d) Schematic of the multi-wire slicing of Si ingots and the typical diamond-wire saw[10]; (e) X-ray diffraction (XRD) pattern; (f) Scanning electron microscope (SEM) image of silicon sludge[13,16]