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电化学  2006 

锂离子电池正极材料Li_xNi_(1/3)Mn_(1/3)Co_(1/3)O_2的合成及电化学性能研究

, PP. 310-314

Keywords: 锂离子电池,LiNi1/3Mn1/3Co1/3O2,比容量

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Abstract:

应用以氢氧化物共沉淀为前驱体的高温固相烧结法合成LiNi1/3Mn1/3Co1/3O2正极材料,研究了沉淀温度及烧结过程锂盐投入量对该材料的结构和电化学性能的影响.结果表明,以室温(~20℃)下合成的氢氧化物为前驱体制备的LiNi1/3Mn1/3Co1/3O2具有较好的电化学性能.高温固相烧结会导致部分LiOH损失,因而在合成过程中需加入过量的氢氧化锂,实验表明Li1.08Ni1/3Mn1/3Co1/3O2材料的电化学性能最优.

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