锂离子电池正极材料磷酸铁锂研究现状.pdf

第 41卷第 3期 无机盐工业 2009 年 3 月 INORGAN IC CH EM ICAL S INDU STRY 5 , , ( , 30013 1) : , , , ( E IS) ( R aman) : ; ; : TQ131. 11 : A : 1006- 4990( 2009) 03- 0005- 04 - R esearch status of lith ium iron phosphate as lith ium ion battery cathode m aterial Xu H an, Guo X i eng, Sang Junli (N ovelM ater ial K ey L aboratory, CN OOC T ianj in Chem ical R esearch D esig n Institute, Tianj in 30013 1, Ch ina A bstrac t: O liv ine- type lithium iron phosphate is a new- type lithium- ion battery ca thode m a terial w h ich w as deve loped in - recent years. M eanw h ile, it has g ained peop les close ly attention because o its low cost, env ironmentben ignancy, and stab ili zation o therm odynam ics. P reparation and m od i ication me thods o lith ium iron phosphate w ere in troduced, at the sam e tmi e the therm a l ana lysis, E IS, and R am an spec trum analysis w h ich w ere u sed in design ing o exper mi ent pro cess and in charac teriza tion o products ine structure w ere a lso introduced. K ey w ord s: o liv ine; lith ium iron phosphate; ca thode m ater ia l , 750 ! 24 h L iFePO 4 ( [ 1] 1997, A. K. P adh i 0. 5 m ) , 0. 2 mA ( L iFePO ) , 136. 1mA h / g 4 ( 170 mA h /g ), 3. 4 V ( vs. L i/ 1. 1. 2 水热合成法 +