水热合成锂离子正极材料LiMn2O4

1.大连海事大学,辽宁,大连,116026

2.大连海事大学,辽宁,大连,116026;哈尔滨工程大学,黑龙江,哈尔滨,150001

3.大连海事大学,辽宁,大连,116026

4.大连海事大学,辽宁,大连,116026

基金项目: 交通部科研项目(95060402)

Hydrothermal Synthesis of LiMn2O4 Spinel for Cathode of Lithium Ion Battery

将水热合成引入到Pechini方法制得了尖晶石结构的锂离子电池正极材料LiMn2O4,此方法不但节省原料,而且工艺简单易行.讨论了煅烧温度、粒度和比表面积因素对LiMn2O4电化学性能的影响.结果表明:在煅烧温度为650℃时,晶化完全,粒子尺寸适中,初始容量为122mAh/g.

[1]	吴宇平,万春荣,姜长印,李建军,李阳兴.用溶胶-凝胶法制备锂离子蓄电池材料[J].电源技术,2000(02):112-115.
[2]	宋桂明,王玉金,郭英奎,周玉,周文元.锂离子电池正极材料LiNi0.5Co0.5O2制备与电化学性能[J].稀有金属材料与工程,2001(04):299-302.
[3]	Prabaharan S;Saparil N;Michael S et al.[J].Solid State Ionics,1998,12:25.
[4]	Lee YS.;Nahm KS.;Sun YK. .Synthesis of spinel LiMn2O4 cathode material prepared by an adipic acid-assisted sol-gel method for lithium secondary batteries[J].Solid state ionics,1998(3/4):285-294.
[5]	Liu W.;Chaput F.;Dunn B.;Farrington GC. .SYNTHESIS AND ELECTROCHEMICAL STUDIES OF SPINEL PHASE LIMN2O4 CATHODE MATERIALS PREPARED BY THE PECHINI PROCESS[J].Journal of the Electrochemical Society,1996(3):879-884.
[6]	Sun Y K et al.[J].Industrial and Engineering Chemistry Research,1997,36:4839.
[7]	Yongyao Xia;Hidefumi Takeshige;Hideyuki Noguchi;Masaki Yoshio .Studies on an Li-Mn-O spinel system (obtained by melt-impregnation) as a cathode for 4 V lithium batteries Part 1. Synthesis and electrochemical behaviour of Li_xMn_2O_4[J].Journal of Power Sources,1995(1):61-67.

上一张下一张

计量

作者相关

文章评分