Direct Synthesis of Lithium-Intercalated Graphene for Electrochemical Energy Storage Application

被引：121

作者：

Kumar, Ashavani ^{[1
]}

Reddy, Arava Leela Mohana ^{[1
]}

Mukherjee, Arnab ^{[2
]}

Dubey, Madan ^{[3
]}

Zhan, Xiaobo ^{[1
]}

Singh, Neelam ^{[1
]}

Ci, Lijie ^{[1
]}

Billups, W. Edward ^{[2
]}

Nagurny, John ^{[4
]}

Mital, Gandhi ^{[4
]}

Ajayan, Pulickel M. ^{[1
,2
]}

机构：

[1] Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77005 USA

[2] Rice Univ, Dept Chem, Houston, TX 77005 USA

[3] USA, Res Lab, Adelphi, MD 20783 USA

[4] Lockheed Martin Maritime Syst & Sensors, Manassas, VA 20110 USA

来源：

ACS NANO | 2011年 / 5卷 / 06期

关键词：

graphene; liquid ammonia; lithium intercalation; Li-ion battery; EXFOLIATED GRAPHITE OXIDE; CARBON NANOTUBES; REDUCTION; ROUTE; NANOPLATELETS; DISSOLUTION; INSERTION; NITROGEN;

D O I：

10.1021/nn201527p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel approach for bulk synthesis of lithium-intercalated graphene sheets through the reduction of exfoliated graphene oxide in liquid ammonia and lithium metal Is reported. It is demonstrated here that as-synthesized lithlated graphite oxide sheets (Li-RGO) can be directly used as an electrode material in lithium batteries. The electrochemical studies on Li-RGO electrodes show a significant enhancement in the specific capacity of the lithium battery over commercially available graphite electrodes. Partial intercalation of lithium ions in between graphene layers makes this material a good candidate for electrochemical energy storage applications.

引用

页码：4345 / 4349

页数：5

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