Natural graphite modified with nitrophenyl multilayers as anode materials for lithium ion batteries

被引：60

作者：

Pan, Qinmin ^{[1
]}

Wang, Hongbo ^{[1
]}

Jiang, Yinghua ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2007年 / 17卷 / 04期

关键词：

D O I：

10.1039/b612422d

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：

Nitrophenyl multilayers of a few nanometers thickness were covalently attached to the surface of natural graphite via diazonium chemistry. The as-prepared graphite showed great improvements in the initial coulombic efficiency, specific capacity and cyclability as anode materials for lithium ion batteries. Scanning electron microscope and electrochemical impedance measurements revealed that a compact, stable, and uniform solid electrolyte interface (SEI) film formed on the graphite surface. This study may provide a new strategy to modify conventional anode or even cathode materials by molecular design.

引用

页码：329 / 334

页数：6

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