Silicon nanoparticles-graphene paper composites for Li ion battery anodes

被引：726

作者：

Lee, Jeong K. ^{[2
]}

Smith, Kurt B. ^{[1
]}

Hayner, Cary M. ^{[1
]}

Kung, Harold H. ^{[1
]}

机构：

[1] Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA

[2] Dong A Univ, Dept Chem Engn, Pusan 604714, South Korea

来源：

CHEMICAL COMMUNICATIONS | 2010年 / 46卷 / 12期

基金：

美国国家科学基金会;

关键词：

LITHIUM SECONDARY BATTERIES; ELECTROCHEMICAL PROPERTIES; GRAPHITE OXIDE; PERFORMANCE; ELECTRODES; CARBON; REDUCTION; CAPACITY;

D O I：

10.1039/b919738a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Composites of Si nanoparticles highly dispersed between graphene sheets, and supported by a 3-D network of graphite formed by reconstituting regions of graphene stacks exhibit high Li ion storage capacities and cycling stability. An electrode was prepared with a storage capacity > 2200 mA h g(-1) after 50 cycles and > 1500 mA h g(-1) after 200 cycles that decreased by < 0.5% per cycle.

引用

收藏

页码：2025 / 2027

页数：3

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