高能球磨法制备纳米洋葱碳

Preparation of Carbon Nano Onions by High Energy Ball Milling

纳米洋葱碳因具有高的比表面积、中孔结构发达、高导电性和电化学稳定性等特殊的物理及化学性能,使之在纳米机械、军工、新能源、电子元器件电极材料、导电添加剂、结构及功能性复合材料等领域具有重要的应用前景.试验采用高能球磨与热处理相结合的工艺,利用高能球磨在石墨中引入大量应变、缺陷形成纳米级结构,从而为低成本批量化制备纳米洋葱碳提供依据.

Carbon nano onions has high specific surface area,medium pore structure developed,high conductivity and electrochemical stability and other special physical and chemical properties,so that in the nano-mechanical,military,new energy,electronic components electrode materials,Conductive additives,structural and functional composites and other fields have important application prospects.In this experiment,high energy ball milling and heat treatment combined with the use of high-energy ball mill in the introduction of a large number of graphite strain,defects and nanoscale structure,so as to low-cost bulk preparation of carbon nano onions basis.