摘要
锂离子电池具有高能量密度、循环寿命长等特点,使得锂离子电池在众多领域被广泛应用,锂离子电池的负极材料是影响电池性能的关键因素。文章通过一种方法,开拓性地将废弃物——熊猫粪便,作为原料制备三维多孔硅,从而制作了锂离子电池负极材料并加以电化学性能测试,该方法包括以下步骤:将熊猫粪便浸泡在盐酸溶液中清除金属离子杂质,用去离子水洗涤并干燥,在马弗炉中煅烧得洁白色的二氧化硅前驱体,然后将二氧化硅前驱体和氯化钠、镁粉进行充分研磨后放入管式炉中惰性气氛下反应,洗涤干燥后制得棕黄色的单质硅。该工艺实现了废物的回收利用,节能环保,成本低廉,实用性好。
Lithium-ion batteries are widely used in many fields because of their high energy density and long cycle life. The negative material of lithium-ion batteries is the key factor affecting the performance of batteries. My team pio. neered a method to prepare three-dimensional porous silicon from the waste panda dung as raw material, and then made a negative material for lithium-ion batteries. Also we test its electrochemical performance. The process realizes waste recycling, energy saving and environmental protection, low cost and good practicability.
作者
陈彦霖
吴君伟
邢馨心
成佳辉
高飞
Chen Yanlin;Wu Junwei;Xing Xinxin;Cheng Jiahui;Gao Fei(Nanjing University of Technology, Nanjing 211816, China)
出处
《江苏科技信息》
2019年第10期27-29,共3页
Jiangsu Science and Technology Information
基金
南京工业大学2018年度大学生实践创新训练计划项目
项目编号:201810291068Z
关键词
熊猫粪便
锂离子电池负极材料
单质硅
panda feces
negative material of lithium ion battery
simple substance silicon
