磷酸铁正极材料的研究进展  

Research progress of FePO_4 cathode material

作　　者：柯翔[1] 肖仁贵[1] 廖霞[1] 杨睿[1] 赵曼[1] 

机构地区：[1]贵州大学化学与化工学院,贵州贵阳550025

出　　处：《电子元件与材料》2017年第7期1-8,共8页Electronic Components And Materials

基　　金：贵州省科技厅工业攻关项目资助(黔科合GY字[2012]3024)

摘　　要：从磷酸铁(FePO_4)的晶体结构和充放电机理出发,综述了不同结构的磷酸铁的电化学性能差异,并对其充放电机理进行了分析。叙述了不同制备方法得到FePO_4的电化学性能,并对制备方法的优缺点进行了对比。同时,论述了改性手段对FePO_4电化学性能的影响,并对FePO_4作为锂离子电池正极材料的未来发展方向作出了展望。Based on the crystal structure and mechanism for charge and discharge of ferric phosphate （FePO4）, the difference of electrochemical performance of ferric phosphate with different structures is summarized, and the charge and discharge mechanism is analyzed. The electrochemical properties of FePO4 prepared by different methods and the advantages and disadvantages of the preparation methods are compared. Meanwhile, the influence of modification methods on FePO4 electrochemical performance is discussed. The directions for future development of FePO4 as cathode material for lithium ion batttery are expected.

关 键 词：磷酸铁 晶体结构 综述 充放电机理 正极材料 制备 改性 

分 类 号：TM911[电气工程—电力电子与电力传动]