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Synthesis and Characterization of NiO, Ni(OH)2, and NiS Nanoparticles as Effective Electrode Materials for Supercapacitors.

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Title: Synthesis and Characterization of NiO, Ni(OH)2, and NiS Nanoparticles as Effective Electrode Materials for Supercapacitors.
Authors: Mohanasundari, M.1 (AUTHOR), Prabha, D.1 (AUTHOR) prabha@psgcas.ac.in, Mobika, J.2 (AUTHOR), Jayanalina, T.2 (AUTHOR), Sivasankari, G.1 (AUTHOR)
Source: Journal of Electronic Materials. Dec2024, Vol. 53 Issue 12, p7712-7725. 14p.
Subjects: Face centered cubic structure, Nickel sulfide, Electrochemical analysis, X-ray diffraction, Molecular structure, Nickel oxides, Nickel oxide
Abstract: Nickel oxide (NiO), nickel hydroxide (Ni(OH)2), and nickel sulfide (NiS) nanoparticles have been fabricated using a simple co-precipitation method. The effect of different structures and morphologies of the prepared nanoparticles on a supercapacitor have been investigated. The prepared nanoparticles were characterized by UV, XRD, FESEM, and EDAX. The XRD demonstrated face centered cubic (FCC), hexagonal, and rhombohedral molecular structures of the nanoparticles. The FESEM analysis found a non-uniform aggregated spherical morphology of NiO, a rock-like morphology of Ni(OH)2, and an irregular spherical morphology of NiS. In KOH electrolyte, NiO stainless-steel electrodes showed a better performance, exhibiting a high specific capacitance of 438 F/g with a good cycling stability of 87% after 1000 cycles. NiO has the lowest conducting resistance among the three nanoparticles, was effectively optimized as a superior electrode, and yielded the greatest pseudo-capacitance by carbon-free electrode fabrication. This study suggests simple ways to enhance a supercapacitor's electrochemical characteristics. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Electronic Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Synthesis and Characterization of NiO, Ni(OH)<subscript>2</subscript>, and NiS Nanoparticles as Effective Electrode Materials for Supercapacitors.
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  Data: <searchLink fieldCode="AR" term="%22Mohanasundari%2C+M%2E%22">Mohanasundari, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Prabha%2C+D%2E%22">Prabha, D.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> prabha@psgcas.ac.in</i><br /><searchLink fieldCode="AR" term="%22Mobika%2C+J%2E%22">Mobika, J.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jayanalina%2C+T%2E%22">Jayanalina, T.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sivasankari%2C+G%2E%22">Sivasankari, G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Electronic+Materials%22">Journal of Electronic Materials</searchLink>. Dec2024, Vol. 53 Issue 12, p7712-7725. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Face+centered+cubic+structure%22">Face centered cubic structure</searchLink><br /><searchLink fieldCode="DE" term="%22Nickel+sulfide%22">Nickel sulfide</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemical+analysis%22">Electrochemical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+structure%22">Molecular structure</searchLink><br /><searchLink fieldCode="DE" term="%22Nickel+oxides%22">Nickel oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Nickel+oxide%22">Nickel oxide</searchLink>
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  Label: Abstract
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  Data: Nickel oxide (NiO), nickel hydroxide (Ni(OH)2), and nickel sulfide (NiS) nanoparticles have been fabricated using a simple co-precipitation method. The effect of different structures and morphologies of the prepared nanoparticles on a supercapacitor have been investigated. The prepared nanoparticles were characterized by UV, XRD, FESEM, and EDAX. The XRD demonstrated face centered cubic (FCC), hexagonal, and rhombohedral molecular structures of the nanoparticles. The FESEM analysis found a non-uniform aggregated spherical morphology of NiO, a rock-like morphology of Ni(OH)2, and an irregular spherical morphology of NiS. In KOH electrolyte, NiO stainless-steel electrodes showed a better performance, exhibiting a high specific capacitance of 438 F/g with a good cycling stability of 87% after 1000 cycles. NiO has the lowest conducting resistance among the three nanoparticles, was effectively optimized as a superior electrode, and yielded the greatest pseudo-capacitance by carbon-free electrode fabrication. This study suggests simple ways to enhance a supercapacitor's electrochemical characteristics. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Electronic Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11664-024-11507-w
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      – SubjectFull: Face centered cubic structure
        Type: general
      – SubjectFull: Nickel sulfide
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      – SubjectFull: Electrochemical analysis
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      – SubjectFull: X-ray diffraction
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      – SubjectFull: Nickel oxides
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      – SubjectFull: Nickel oxide
        Type: general
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      – TitleFull: Synthesis and Characterization of NiO, Ni(OH)2, and NiS Nanoparticles as Effective Electrode Materials for Supercapacitors.
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              M: 12
              Text: Dec2024
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