Direct Synthesis of Lithium-Intercalated Graphene for Electrochemical Energy Storage Application
ACS Nano2011Vol. 5(6), pp. 4345–4349
Citations Over TimeTop 10% of 2011 papers
Ashavani Kumar, Arava Leela Mohana Reddy, Arnab Mukherjee, Madan Dubey, Xiaobo Zhan, Neelam Singh, Lijie Ci, W. E. Billups, John Nagurny, Gandhi Mital, Pulickel M. Ajayan
Abstract
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 lithiated 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.
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