Chemical stability of lithiated-HOPG with some organic electrolytes

被引:12
作者
Yazami, R [1 ]
Geniès, S [1 ]
机构
[1] Inst Natl Polytech Grenoble, UMR 5631 CNRS, Lab Electrochim & Physicochim Mat & Interfaces, F-38402 St Martin Dheres, France
来源
DENKI KAGAKU | 1998年 / 66卷 / 12期
关键词
graphite-lithium; stability; organic electrolytes; ternary GICs;
D O I
10.5796/kogyobutsurikagaku.66.1293
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Stage-1 LiC6 was prepared from HOPG samples and reacted with several electrolytes of 1 moldm(-3) solution of LiPF6 in a single or binary organic solvent(s). The changes in the external aspects of the samples were described by photography and those in the crystal structure were analyzed by X-ray diffraction. Ternary CnLi(solv.)(y) were formed with all single solvent electrolytes except with ethylene carbonate (EC). The presence of EC in binary electrolytes is shown to significantly reduce the co-intercalation of organic molecules and thus enhance the electrolyte stability.
引用
收藏
页码:1293 / 1298
页数:6
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