Comparative Magnetic Study of Electrochemically and Chemically Delithiated LixMn2O4 and LixNiO2

被引：8
|
作者：
Mukai, Kazuhiko [1 ]
Sugiyama, Jun [1 ]
机构：
[1] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan
来源：
CHEMISTRY LETTERS | 2009年 / 38卷 / 10期
关键词：
MANGANESE-DIOXIDE; LINIO2;
D O I：
10.1246/cl.2009.944
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The magnetic nature of almost fully delithiated LixMn2O4 and LixNiO2 samples, which were prepared by both an electrochemical (EC-) and chemical (C-) reaction, has been investigated by dc-susceptibility measurements. The Curie-Weiss parameters for C-Li0.07Mn2O4 are almost identical to those for EC-Li0.03Mn2O4. On the contrary, the effective magnetic moment for C-Li0.01NiO2 (1.43 mu(B)) is roughly twice that for EC-Li0.05NiO2 (0.71 mu(B)), suggesting that the Ni valence is not simply determined by the Li/Ni ratio for C-Li0.01NiO2.
引用
收藏
页码：944 / 945
页数：2
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