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      Highly stable hollow bifunctional cobalt sulfides for flexible supercapacitors and hydrogen evolution

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          Abstract

          Hollow structured cobalt sulfide exhibits excellent electrochemical properties for highly stable flexible supercapacitors and the hydrogen evolution reaction (HER).

          Abstract

          Hollow structures of NiAs-type cobalt sulfide have been synthesized by a facile hydrothermal method. These hollow structured cobalt sulfides exhibit excellent electrochemical properties for supercapacitor applications (867 F g −1) and respectable hydrogen evolution activity. The symmetrical supercapacitor device fabricated using cobalt sulfide nanostructures showed an areal capacitance of 260 mF cm −2 with good flexibility and high temperature stability. The specific capacitance of the supercapacitor is enhanced over 150%, when the temperature is increased from 10 to 70 °C.

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          What Are Batteries, Fuel Cells, and Supercapacitors?

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            Molybdenum phosphide as an efficient electrocatalyst for the hydrogen evolution reaction

            The phosphorization of molybdenum leads to a good non-noble metal catalyst for the hydrogen evolution reaction in both acidic and alkaline conditions.
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              The role and utilization of pseudocapacitance for energy storage by supercapacitors

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                Author and article information

                Journal
                JMCAET
                Journal of Materials Chemistry A
                J. Mater. Chem. A
                Royal Society of Chemistry (RSC)
                2050-7488
                2050-7496
                2016
                2016
                : 4
                : 23
                : 9014-9018
                Affiliations
                [1 ]Department of Chemistry
                [2 ]Pittsburg State University
                [3 ]Pittsburg
                [4 ]USA
                [5 ]Department of Physics
                [6 ]National Physical Laboratory (CSIR)
                [7 ]New Delhi 110012
                [8 ]India
                [9 ]Center for Integrated Nanotechnologies
                [10 ]Los Alamos National Laboratory
                [11 ]Albuquerque
                [12 ]Materials Physics and Application Division
                [13 ]Los Alamos
                Article
                10.1039/C6TA03158G
                3a976fde-2934-47ac-ae09-57f49fe45ca6
                © 2016
                History

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