Preparation and electrochemical characterization of nanocrystalline Li[Li0.12Ni0.32Mn0.56]O2 pyrolyzed from polyacrylate salts

被引：6
|
作者：
Yu, LH [1 ]
Cao, YL [1 ]
Yang, HX [1 ]
Ai, XP [1 ]
Ren, YY [1 ]
机构：
[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2004年 / 88卷 / 2-3期
关键词：
cathode material; layered compound; lithium-ion battery;
D O I：
10.1016/j.matchemphys.2004.07.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A nanocrystalline Li[Li0.12Ni0.32Mn0.56]O-2 powder was synthesized by a pyrolysis method using polyacrylate salts as the precursor compounds. XRD and TEM results demonstrated that the Li[Li0.12Ni0.32Mn0.56]O-2 powder has a layered structure as alpha-NaFeO2 and has an average particle size of 50-70 nm. The charge-discharge experiments show that the Li[Li0.12Ni0.32Mn0.56]O-2 electrode can deliver a reversible, capacity of similar to140mA h g(-1) cycling at 2.5-4.5 V and can still remain 94% of its initial capacity after 10 cycles, showing a great promise for future applications. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：353 / 356
页数：4
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