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Graphene-based nanomaterials for energy storage

Energy Environ. Sci.

Royal Society of Chemistry (RSC)

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      Most cited references 76

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      Is Open Access

      Electric Field Effect in Atomically Thin Carbon Films

      We report a naturally-occurring two-dimensional material (graphene that can be viewed as a gigantic flat fullerene molecule, describe its electronic properties and demonstrate all-metallic field-effect transistor, which uniquely exhibits ballistic transport at submicron distances even at room temperature.
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        The chemistry of graphene oxide.

        The chemistry of graphene oxide is discussed in this critical review. Particular emphasis is directed toward the synthesis of graphene oxide, as well as its structure. Graphene oxide as a substrate for a variety of chemical transformations, including its reduction to graphene-like materials, is also discussed. This review will be of value to synthetic chemists interested in this emerging field of materials science, as well as those investigating applications of graphene who would find a more thorough treatment of the chemistry of graphene oxide useful in understanding the scope and limitations of current approaches which utilize this material (91 references).
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          Graphene-based ultracapacitors.

          The surface area of a single graphene sheet is 2630 m(2)/g, substantially higher than values derived from BET surface area measurements of activated carbons used in current electrochemical double layer capacitors. Our group has pioneered a new carbon material that we call chemically modified graphene (CMG). CMG materials are made from 1-atom thick sheets of carbon, functionalized as needed, and here we demonstrate in an ultracapacitor cell their performance. Specific capacitances of 135 and 99 F/g in aqueous and organic electrolytes, respectively, have been measured. In addition, high electrical conductivity gives these materials consistently good performance over a wide range of voltage scan rates. These encouraging results illustrate the exciting potential for high performance, electrical energy storage devices based on this new class of carbon material.
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            Author and article information

            Journal
            EESNBY
            Energy Environ. Sci.
            Energy Environ. Sci.
            Royal Society of Chemistry (RSC)
            1754-5692
            1754-5706
            2011
            2011
            : 4
            : 3
            : 668-674
            10.1039/C0EE00295J
            © 2011
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            Self URI (article page): http://xlink.rsc.org/?DOI=C0EE00295J

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