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

页码：467 / 472

页数：6

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