锂离子电池炭阳极材料的研究进展

ADVANCES OF RESEARCH IN ANODES MATERIALS OF LITHIUM ION RECHARGEABLE BATTERY

解释了锂离子二次电池的工作原理。锂离子电池阳极活性材料为炭—石墨，阳极容量是制约锂离子二次电池关键因素。阐述了影响阳极容量的各个因素，详细介绍了已经在使用的阳极材料的性能和特点。各种热解硬炭材料正在成为新的研究热点，故介绍了各种高容量的热解硬炭材料的性能和结构，尤其是聚对苯撑的热解炭，以及他们的插锂机制。

This article reviews the operation fundamentals of Li + rechargeable battery. The reversible capacity of carbon anode is an essential factor governing the development of Li + rechargeable battery. Several factors influencing capacity of anode are elucidated,as well as properties and characteristics of some anode materials applied. Several kinds of pyrolyzed hard carbons,especially polyparaphenylene(PPP) based carbon,are being the current research trend whose properties and structure are introduced in this article. Furthermore,this article studies their mechanism of doping lithium in detail.