A novel type of reaction in the chemistry of graphite intercalation compounds. The preparation of alkali metal graphite intercalation compounds by ion exchange reactions

被引：5
作者：
Isaev, YV
Lenenko, ND
Gumileva, LV
Buyanovskaya, AG
Novikov, YN
Stumpp, E
机构：
[1] TECH UNIV CLAUSTHAL,INST ANORGAN & ANALYT CHEM,D-38670 CLAUSTHAL ZELLERF,GERMANY
[2] RUSSIAN ACAD SCI,AN NESMEYANOV ORGANOELEMENT CPDS INST,MOSCOW 117334,RUSSIA
来源：
CARBON | 1997年 / 35卷 / 04期
关键词：
natural graphite; intercalation compounds; intercalation; X-ray diffraction; intercalation reactions; reactivity;
D O I：
10.1016/S0008-6223(97)00004-3
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 treatment of KC8 or KC24 with a solution of LiCl or LiClO4 in tetrahydrofuran (THF) results in the exchange of K+ ions in the GIC for Li+ ions. Depending on the ratio salt/GIC, ternary Li-THF-GICs with either d(i) = 12.5 Angstrom or d(i) = 7.16 Angstrom have been obtained. Analogous reactions between KC8 or KC24 and solutions of NaI in THF lead to the formation of Na-THF-GIC with d(i) = 11.2 Angstrom. The same GIC was prepared by reactions of LiC6 or LiC12 and solutions of NaI in THF. Li-THF-GIC can be also obtained by reacting Na(NH3)(x)C-14 with solutions of LiCl in THF. A model to explain the mechanism of ion exchange of intercalated alkali metal ions with ions in THF solution is proposed. (C) 1997 Elsevier Science Ltd.
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收藏
页码：563 / 566
页数：4
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