NDLI: Synthesis of the cobalt sulfide hydrangea macrophylla for the energy storage electrode

Content Provider	Springer Nature Link
Author	Chiu, Jun Ming Lin, Lu Yin Tu, Chao Chi Yang, Sheng Sian
Copyright Year	2017
Abstract	Cobalt sulfide is one of the attractive materials for the energy storage electrodes due to its high specific capacitance (C $_{F}$) and cost-effective properties. Well-defined nanostructures with promising features are intensively designed to achieve highly effective energy storage electrodes. In this study, a three-dimensional (3D) cobalt sulfide hydrangea macrophylla is successfully synthesized using a simple one-pot method by adding 1-dodecanethiol with long carbon chains as the sulfur and carbon layer sources. The morphology and the corresponding electrochemical performance of cobalt sulfide are examined in views of the vulcanization temperature and duration, as well as the annealing temperature and the loading mass. A C $_{F}$ value of 324.17 F g$^{− 1}$ is obtained for the cobalt sulfide hydrangea macrophylla-based energy storage electrode at a scan rate of 10 mV s$^{− 1}$ with the optimized loading mass on flexible nickel foam, owing to the large surface area and improved conductivity benefitted from the hydrangea macrophylla nanostructure and the carbon layer surrounded the cobalt sulfide, respectively. The utilization of this promising hydrangea macrophylla nanostructure of cobalt sulfide on energy storage electrodes opens a window for establishing structure-controlling techniques to improve the electrochemical performances.
Starting Page	393
Ending Page	404
Page Count	12
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	47
Issue Number	3
e-ISSN	15728838
Language	English
Publisher	Springer Netherlands
Publisher Date	2017-02-14
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Capacitance Cobalt sulfide Charge/discharge Cyclic voltammetry Electrochemical impedance spectroscopy Energy storage electrode Electrochemistry Physical Chemistry Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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