Preparation of LiCoO2 and LiCo1-xFexO2 using hydrothermal reactions

被引：88

作者：

Tabuchi, M

Ado, K

Kobayashi, H

Sakaebe, H

Kageyama, H

Masquelier, C

Yonemura, M

Hirano, A

Kanno, R

机构：

[1] Osaka Natl Res Inst, Osaka 5638577, Japan

[2] Univ Paris 11, Orsay Lab Chim Solides, F-91405 Orsay, France

[3] Kobe Univ, Fac Sci, Nada Ku, Kobe, Hyogo 657, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1999年 / 9卷 / 01期

关键词：

D O I：

10.1039/a805311a

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：

Iron doped/undoped LiCoO2 powders could be obtained from hydrothermal reactions of either Fe3+ or Co3+ containing co-precipitates or a CoCl2-NaOH-NaClO3 (oxidant) mixture with an excess amount of LiOH . H2O at 220 degrees C for 8-48 h. The LiFexCo1-xC2 solid solution maintained a layered rock-salt structure until x = 0.25. Fe-57 Mossbauer and Co K-edge XANES spectra and magnetic susceptibility data reveal that iron and cobalt in the solid solution are in high-spin Fe3+ (S = 5/2) and low-spin Co3+ (S = 0) configurations.

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页码：199 / 204

页数：6

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