锂二次电池金属氟化物正极材料研究进展  

Research progress of metal fluoride as positive electrodes of lithium secondary battery

作　　者：王欣[1] 王先友[1] 伍文[1] 王国宝[1] 曹俊琪[1] 

机构地区：[1]湘潭大学化学学院,湖南湘潭411105

出　　处：《电源技术》2009年第3期231-235,共5页Chinese Journal of Power Sources

基　　金：国家自然科学基金资助项目(20673092)

摘　　要：新型高性能正极材料的研究和开发是高性能锂二次电池发展的重点之一,对锂二次电池未来的发展有着非常重要的意义。金属氟化物是近年来发展起来的并且有较大应用前景的锂二次电池新型正极材料。根据近年来金属氟化物正极材料的研究进展,重点介绍了可逆化学转换反应、碳金属氟化物纳米复合物、混合导体金属氟化物纳米复合物等新概念,分析了金属氟化物用作锂二次电池正极材料的优缺点,对金属氟化物正极材料的研究和开发及其相关的技术问题进行了讨论。并且重点叙述了性能优良、应用前景明显的锂二次电池新型正极材料——铁的氟化物和铋的氟化物与氟氧化物的结构、电化学性能和反应机理。Cathode matedal of lithium secondary battery is one of priority materials for advanced lithium secondary battery research, which plays an important role in the development of lithium secondary battery. Metal fluoride is a kind of newly researched and promising material as positive electrode for lithium secondary battery. Based on the research progress of metal fluoride as lithium secondary battery positive electrodes in recent years, the advantages and disadvantages of the materials as positive electrode for lithium secondary battery were analyzed, some new concepts such as reversible conversion reaction, carbon metal fluoride nanocomposition and mixed conducting metal fluoride nanocomposition were introduced, the issues of the development and relative technology were discussed in this paper. The structure, electrochemical performance and reaction mechanism of some excellent and promising metal fluorides, namely iron fluoride and bismuth fluoride, were described in detail.

关 键 词：可逆化学转换反应 纳米复合物 金属氟化物 锂二次电池 

分 类 号：TM912.9[电气工程—电力电子与电力传动]