纳米线复合材料在锂离子电池中的研究进展

Research progress in nanowire composites in Li-ion battery

综述纳米线复合材料在锂离子电池负极材料的应用,归纳纳米线复合材料在合成方法、结构改性和锂离子电池储能方面的研究进展。合成方法主要包括:水热/溶剂热法、共沉淀法、电沉积法和化学气相沉积法等;改性材料主要包括:金属氧化物纳米线、碳包覆/掺杂纳米线和硫化物/硒化物纳米线等。纳米线复合材料应用于锂离子电池负极材料时,循环稳定性和倍率性能较好。展望纳米线复合材料作为长循环、大倍率和高库仑效率锂离子电池负极材料的发展前景。

The application of nanowire composites as anode materials for Li-ion battery was reviewed, the research progress in nanowires in synthesis, structure modification and energy storage of Li-ion battery was summarized.The synthesis methods of nanowire composites mainly included hydrothermal/solvothermal method, coprecipitation method, electrodeposition method and chemical vapor deposition method.The modified materials mainly included metal oxide nanowires, carbon-coated/doped nanowires and sulfide/selenide nanowires.Nanowire composites had fine cycle stability and rate capability when used as anode materials for Li-ion battery.The development prospects of nanowire composites as anode materials for Li-ion battery with long cycles, large magnification and high Coulombic efficiency were prospected.