Graphene nanosheets for enhanced lithium storage in lithium ion batteries

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Journal Article
Carbon, 2009, 47 (8), pp. 2049 - 2053
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Graphene nanosheets were synthesized in large quantities using a chemical approach. Field emission electron microscope observation revealed that loose graphene nanosheets agglomerated and crumpled naturally into shapes resembling flower-petals. High resolution transmission electron microscope analysis, Raman spectroscopy and ultraviolet-visible spectroscopy measurements confirmed the graphitic crystalline structure of the graphene nanosheets. The nanosheets exhibited an enhanced lithium storage capacity as anodes in lithium-ion cells and good cyclic performance. © 2009 Elsevier Ltd. All rights reserved.
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