Li+ ionic diffusion in Li-Cu-O compounds

被引:10
作者
Nakamura, Koichi
Kawai, Kenta
Yamada, Koji
Michihiro, Yoshitaka
Moriga, Toshihiro
Nakabayashi, Ichiro
Kanashiro, Tatsuo
机构
[1] Univ Tokushima, Fac Engn, Dept Phys, Tokushima 7708506, Japan
[2] Univ Tokushima, Fac Engn, Dept Chem Sci & Technol, Tokushima 7708506, Japan
[3] Hiroshima Univ, Fac Sci, Dept Chem, Higashihiroshima 7398511, Japan
关键词
Li+ ionic diffusion; ionic conductivity; complex impedance;
D O I
10.1016/j.ssi.2006.03.046
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ionic diffusion and conductivity in Li2CuO2 and LiCuO2 have been studied by complex impedance measurements. The conductivity of both samples is largely enhanced with increasing temperature and reaches 10(-2)-10(-1) S/m at around 450 K. X-ray diffraction measurements show that a small amount of CuO phase appears with increasing temperature in both samples. High electric conduction would be ascribed to a complicated mechanism containing the ionic and hole conduction. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:2775 / 2778
页数:4
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