锂离子电池硅/碳负极材料的制备与应用

Preparation and Application of Silicon/carbon Anodes for Lithium-ion Batteries

对锂离子电池中硅/碳负极材料的纳米结构、掺杂改性以及三元复合等制备工艺及其电化学性能、相关机理进行了总结。通过研究不同改性方法对硅/碳负极材料电化学性能的影响,以找到较为优异的改性路径。经过对比发现,通过采用纳米结构、原子掺杂以及三元复合的方法均可显著提升硅/碳负极材料的电化学性能。最后对硅/碳负极材料发展现状进行了简要分析,并对其研究前景进行了展望。

The electrochemical properties of silicon/carbon anodes for lithium-ion batteries with nanostructures,doping modification and ternary composites and the relevant mechanism are summarized in this paper.In orde to find out better modification methods for silicon/carbon anodes,the influence of various ways on their electrochemical performance are also investigated in detail.Besides,it is found that modification methods such as using nanostructures,heteroatom doping and ternary compound methods can significantly improve the electrochemical performance of silicon/carbon anode materials.In addition,the current development situation of the silicon/carbon anode materials is briefly analyzed and the research prospects are also discussed.