SYNTHESIS AND PROPERTIES OF LITHIUM-GRAPHITE INTERCALATION COMPOUNDS

被引:115
作者
BASU, S [1 ]
ZELLER, C [1 ]
FLANDERS, PJ [1 ]
FUERST, CD [1 ]
JOHNSON, WD [1 ]
FISCHER, JE [1 ]
机构
[1] UNIV PENN,RES STRUCT MATTER LAB,PHILADELPHIA,PA 19104
来源
MATERIALS SCIENCE AND ENGINEERING | 1979年 / 38卷 / 03期
基金
美国国家科学基金会;
关键词
D O I
10.1016/0025-5416(79)90132-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We describe liquid phase syntheses of stage 1 and stage 2 lithium-graphite intercalation compounds obtained by immersing large pieces of pyrolytic graphite in the appropriate liquid metal at 350°C for 8 h. Pure lithium gives LiC6 (stage 1) at equilibrium whereas a dilute alloy of 4% Li in sodium gives stage 2, the sodium acting as an inert solvent. Gram quantities of the pure phases are readily prepared. The c axis repeat distances agree with earlier work. The room temperature electrical conductivities are approximately 2 × 105 Ω-1 cm- parallel to the layers and the anisotropy factor for LiC6 is about 10, less than for other compounds. Metallic reflectance spectra are also briefly discussed. © 1979.
引用
收藏
页码:275 / 283
页数:9
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