Graphite intercalation compounds prepared in solutions of alkali metals in 2-methyltetrahydrofuran and 2,5-dimethyltetrahydrofuran

被引:63
作者
Mizutani, Y [1 ]
Abe, T [1 ]
Ikeda, K [1 ]
Ihara, E [1 ]
Asano, M [1 ]
Harada, T [1 ]
Inaba, M [1 ]
Ogumi, Z [1 ]
机构
[1] KYOTO UNIV,GRAD SCH ENGN,SAKYO KU,KYOTO 60601,JAPAN
关键词
intercalation compounds; natural graphite; X-ray diffractions;
D O I
10.1016/S0008-6223(96)00127-3
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
The intercalation of alkali metals (Li, K, Rb and Cs) into natural graphite flakes in the solutions of 2-methyltetrahydrofuran (MeTHF) and 2, 5-dimethyltetrahydrofuran (diMeTHF) containing naphthalene has been studied by X-ray diffraction (XRD), where naphthalene is used as a dissolving agent for alkali metals. When MeTHF is used as a solvent, binary Li- and K-graphite intercalation compounds (GICs) have been obtained, in contrast to the case of Rb and Cs, where both binary alkali metal GICs and ternary alkali metal-MeTHF-GICs are obtained. Using diMeTHF instead of MeTHF, a selective preparation of binary GICs for all the alkali metals has been established. Copyright (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:61 / 65
页数:5
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