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HIMANSHU SEKHAR PANDA
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Volume 45 All articles Published: 31 January 2022 Article ID 0025
VIRESH KUMAR HIMANSHU SEKHAR PANDA
The present investigation highlights the formation of dodecyl sulfate (SDS)-functionalized binary Co/Ni hydroxide using a facile sol–gel method. The effect of (SDS) surfactant ions on hydroxides was studied using X-ray diffraction and Fourier transform infrared spectroscopy. The nanoflakes and their vertically aligned uniform distribution were scrutinized by field-emission electron microscopy, high-resolution transmission electron microscope and atomic force microscopy. The developed metal hydroxides (Co-Ni-SDS) possessed maximum specific capacitance of 2765 F g$^{–1}$ at current density of 5 A g$^{–1}$ with retained capacity of ${\sim}$ 88% after 5000 cycles. An asymmetric solid-state supercapacitor (ASC) device was fabricated with the best possible composition of metal hydroxide as positive and carbon black as negative electrode, which was utilized to brighten a commercial LED (1.8 V, 20 mA) for validation purposes. The efficiency of ASC was evaluated about 283 F g$^{–1}$ by maintaining energy density of 88 Wh kg$^{–1}$.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Bulletin of Materials Science | News
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020 -
Editorial Note on Continuous Article Publication
Posted on July 25, 2019Click here for Editorial Note on CAP Mode
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