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Sugar-derived disordered carbon nano-sheets as high-performance electrodes in sodium-ion batteries

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Abstract

Inspired by the simple and spectacular experiment of dehydrogenation of sugar by sulphuric acid, we developed a microwave based solvothermal technique for the synthesis of activated carbon nano-sheets (aCNS) using white sugar as the carbon source and potassium hydroxide as the activating agent. Morphological studies using SEM showed micrometer-long and nanometer-thick aCNS, whereas HRTEM showed the presence of semi-graphitic islands. When used as electrodes in sodium-ion batteries, our aCNS showed a high specific capacitance of 423 mA h gāˆ’1 with a good rate capability even after 200 cycles.

Graphical abstract: Sugar-derived disordered carbon nano-sheets as high-performance electrodes in sodium-ion batteries

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Publication details

The article was received on 14 Dec 2016, accepted on 02 May 2017 and first published on 03 May 2017


Article type: Letter
DOI: 10.1039/C6NJ03917K
Citation: New J. Chem., 2017, Advance Article
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    Sugar-derived disordered carbon nano-sheets as high-performance electrodes in sodium-ion batteries

    V. Sridhar and H. Park, New J. Chem., 2017, Advance Article , DOI: 10.1039/C6NJ03917K

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