锂离子电池负极材料的研究进展

锂离子电池因其质量轻、能量密度较高，迎合了家用电器和通讯设备向小型化、微型化方向发展的需要．锂离子电池能够成功应用的关键在于嵌入与脱出可逆的锂离子负极材料的制备．因此，对负极材料的研究非常重要．主要介绍了锂离子电池的电化学反应原理、一般特性及电池负极材料的最新研究进展．其中，对最新的负极材料——纳米碳管及其它负极材料的研究情况，进行了深入的阐述和分析，同时，也提出了各种负极材料在研究中存在的问题及今后的发展前景．

Researches and Development of Negative Material of Li-Ion Secondary Battery

Lithium-ion batteries are becoming the power sources of choice for modern consumer electronic devices.Finding Cathode materials with high capacity for the lithium intercalation and the improved cyclability is an important research subject of lithium-ion batteries.In this work the fundamental principle of electrochemical reaction of Li-ion battery,its general properties and the progress of researches on materials for cathode are introduced.Furthermore, the station of the latest negative material-carbon nanotube and other nanosized materials is represented and analysised.At the same time the problems and prospects of the cathode materials are also outlined.