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Carbon sheathed molybdenum nitride nano-particles anchored on reduced graphene oxide as high capacity sodium-ion battery anodes and supercapacitors

Abstract

Despite possessing excellent physical, chemical and electrical properties, early transition metal nitrides are seldom investigated as electrodes in energy storage applications, especially in sodium ion batteries (SIBs). Herein, we report synthesis of carbon encapsulated molybdenum nitride anchored on reduced graphene oxide (Mo2N@C-rGO) by a fast and facile microwave technique and its applicability as electrodes in sodium ion batteries. Our results reveal that the hybridization of insertion and conversion type of mechanism by graphene and Mo2N respectively, results in high- sodium ion retention of 487.2 mA h g−1 even after 100 cycles. When applied as super-capacitor electrodes, our microwave-synthesized Mo2N@C-rGO electrodes exhibit high capacitance of 514.54 and 304.32 Fg-1 at current densities from 0.25 and 10 A g−1, respectively, and long-term cyclability, with 96% capacitance retention after 3000 cycles.

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Publication details

The article was received on 04 Dec 2017, accepted on 12 Feb 2018 and first published on 13 Feb 2018


Article type: Paper
DOI: 10.1039/C7NJ04764A
Citation: New J. Chem., 2018, Accepted Manuscript
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    Carbon sheathed molybdenum nitride nano-particles anchored on reduced graphene oxide as high capacity sodium-ion battery anodes and supercapacitors

    S. Vadahanambi and H. Park, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ04764A

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