A 7Li NMR study of a hard carbon as a function of temperature and lithiation state

被引：0
|
作者：
Guerin, K
Fevrier-Bouvier, A
Flandrois, S
Menetrier, M
Simon, B
Biensan, P
机构：
[1] CNRS, Ctr Rech Paul Pascal, F-33600 Pessac, France
[2] CNRS, ICMCB, F-33600 Pessac, France
[3] SAFT Rech, F-33074 Bordeaux, France
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2000年 / 340卷
关键词：
Li-7; NMR; lithium-ion batteries; hard carbons;
D O I：
10.1080/10587250008025510
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Negative electrodes of lithium-ion batteries containing a hard carbon with different levels of lithiation were characterized by Li-7 NMR experiments. A dramatic effect of washing the lithiated electrodes with the solvent was observed. The spectra of unwashed electrodes in different states of lithiation show that three species seem to be present: covalently bonded, intercalated and pseudo-metallic lithium species, respectively.
引用
收藏
页码：467 / 472
页数：6
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