Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 62, Issue -, Pages 321-328Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.01.010
Keywords
Sulfur; Nickel oxide; Doped; Supercapacitor; Nanosheets
Funding
- National Research Foundation of Korea Grant - Korean Government (MEST) [NRF-2010-0024478]
- Hannam University
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We have synthesized sulfur-doped nickel oxide (S-NiO) spherical nanosheets by emulsion method. The structure of the S-NiO nanosheets is characterized by using TGA, XRD, XPS, BET, FE-SEM and FE-TEM. From the TGA, XPS and EDAX results conclude the nickel oxide is doped with sulfur. The specific capacitance of the S-NiO nanosheets was showing 313 Fg(-1) at the sweep rate of 5 my s(-1) by cyclic voltammetry. The S-NiO nanosheets showing the high rate performance of 80% at the current density ranging from 1 to 8 A g(-1) and high retention of the capacitance 99% after completion of 1000 charge discharge cycles. (C) 2018 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry.
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