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Dr. Vanchiappan Aravindan, Dattakumar Mhamane, Dr. Wong Chui Ling, Dr. Satishchandra Ogale and Prof. Srinivasan Madhavi Nonaqueous Lithium-Ion Capacitors with High Energy Densities using Trigol-Reduced Graphene Oxide Nanosheets as Cathode-Active Material ChemSusChem 6

Version of Record online: 12 AUG 2013 | DOI: 10.1002/cssc.201300465

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One HEC of a material: The use of trigol-reduced graphene oxide nanosheets as cathode material in hybrid lithium-ion electrochemical capacitors (Li-HECs) results in an energy density of 45 Wh kg−1; much enhanced when compared to similar devices. The mass loading of the active materials is optimized, and the devices show good cycling performance. Li-HECs employing these materials outperform other supercapacitors, making them attractive for use in power sources.

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