锂离子电池负极材料Li_4Ti_5O_(12)  

Li_4Ti_5O_(12) Anode Materials Applied in Lithium Ion Batteries

作　　者：杨立[1] 陈继章[1] 唐宇峰[1] 房少华[1] 

机构地区：[1]上海交通大学化学化工学院,上海200240

出　　处：《化学进展》2011年第2期310-317,共8页Progress in Chemistry

基　　金：国家高技术发展计划(863)项目(No.2007AA03Z222);国家重点基础研究发展计划(973)项目(No.2006CB202600)资助

摘　　要：Li4Ti5O12具有充放电循环性能好、电压平台平稳、安全性高、价格低、环境友好、易于制备等优点,在锂离子电池负极材料中得到广泛研究。本文基于国内外近期的研究进展,综述了制备Li4Ti5O12的方法,着重介绍了固相、溶胶-凝胶、熔盐、燃烧、喷雾、水/溶剂热等几种主要的合成方法,并针对Li4Ti5O12电导率低的缺点,详细阐述了Li4Ti5O12电化学性能的改善方法,包括元素掺杂和导电材料改性。文章最后对此类材料的发展趋势做了展望。Li4Ti5O12 spinel has advantages of superior cycling performance, long and stable voltage plateau, enhanced safety, low cost, environmental friendliness, and can be easily prepared. It has been widely studied in lithium ion batteries. In this paper, the recent progress in synthesis study of Li4Ti5O12 is systematically reviewed based on the latest literature. Some important synthesis methods such as solid state, sol-gel, molten salt, combustion, spray drying and hydro/solvothermal synthesis are summarized. Improvements to improve the conductivity of Li4Ti5O12 by doping and surface modification are also elaborated in this paper. The problems that should be resolved and the further perspectives are pointed out.

关 键 词：LI4TI5O12 锂离子电池 制备方法 掺杂 改性 

分 类 号：TM911[电气工程—电力电子与电力传动] TM910.4