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Substantial perform...
Substantial performance of copper sulfide nanotubes at high current densities for energy storage applications
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- Ilyas, Muhammad Tasaduq (author)
- University of the Punjab, Pakistan
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- Fazal, Asmara (author)
- University of the Punjab, Pakistan
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- Rehman, Zaeem Ur (author)
- University of the Punjab, Pakistan
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- Raza, Mohsin Ali (author)
- University of the Punjab, Pakistan
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- Almutairi, Badriah S. (author)
- Princess Nourah Bint Abdulrahman University, Saudi Arabia
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- Iqbal, M. Javaid (author)
- University of the Punjab, Pakistan
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- Ali, Sharafat, Associate Professor, 1976- (author)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET)
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(creator_code:org_t)
- Elsevier, 2024
- 2024
- English.
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In: Journal of Energy Storage. - : Elsevier. - 2352-152X .- 2352-1538. ; 85
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- This study presents the direct growth of CuS nanotubes (NTs) on nickel foam using a facile solution synthesis route. The structural, elemental and morphological analyses of CuS NTs grown Ni foam were conducted through X-ray diffraction, energy dispersive X-ray spectroscopy, scanning electron microscope, and field emission scanning electron microscope. The electrochemical performance of the prepared electrodes was comprehensively characterized by cyclic voltammetry (CV), galvanostatic charge discharge and electrochemical impedance spectroscopy. The CuS NTs grown electrodes delivered a specific capacitance of 1539 Fg−1 at 1 mVs−1 and 1365 Fg−1 at 5 Ag−1, demonstrating a remarkable rate capability of 66 % at an extremely high current density of 25 Ag−1. Notably, the CuS NTs electrode demonstrated good cyclic stability, as evidenced by a charge retention of 75.5 % after 3000 cycles at a high current density of 20 Ag−1. The charge storage mechanism was predominantly diffusion controlled, accomplished by analyzing CV data. Overall, this work evinces that the as-synthesized CuS NTs hold a significant promise as electrode materials for high-performance electrochemical energy storage applications.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Supercapacitor
- CuS
- Solution synthesis
- Electrochemical performance
- High rate capability
- Bioenergiteknik/Energi- och Miljöteknik
- Bioenergy Technology
Publication and Content Type
- ref (subject category)
- art (subject category)
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