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Journal of Materials Science: Materials in Electronics

Erschienen in:

08.03.2019

Facial growth of Co(OH)₂ nanoflakes on stainless steel for supercapacitors: effect of deposition potential

verfasst von: N. C. Maile, R. T. Patil, S. K. Shinde, D. -Y. Kim, A. V. Fulari, D. S. Lee, V. J. Fulari

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 6/2019

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Abstract

In this work, the nanoflakes of Co(OH)₂ have been grown successfully on a stainless steel (SS) substrate at an ambient temperature. The novel architecture, binder free synthesis and considerable capacitance of Co(OH)₂ nanoflakes render them as a potential candidate to be used as an electrode material for supercapacitor application. It is observed that the different cathodic potentials have a dramatic impact on the growth mechanism of Co(OH)₂ nanoflakes. The prepared thin films were subjected for their structural and morphological study using X-ray diffraction, field emission scanning electron microscope, energy dispersive X-ray spectroscopy, etc. The supercapacitive properties of Co(OH)₂ nanoflakes have been studied using cyclic voltammetry, galvanostatic charge–discharge and electrochemical impedance spectroscopy techniques. The Co(OH)₂ nanoflakes evaluated a maximum specific capacitance of 275 F g⁻¹ for 5 mV s⁻¹ in 1 M KOH.

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Titel: Facial growth of Co(OH)2 nanoflakes on stainless steel for supercapacitors: effect of deposition potential
verfasst von: N. C. Maile
R. T. Patil
S. K. Shinde
D. -Y. Kim
A. V. Fulari
D. S. Lee
V. J. Fulari
Publikationsdatum: 08.03.2019
Verlag: Springer US
Erschienen in: Journal of Materials Science: Materials in Electronics / Ausgabe 6/2019
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI: https://doi.org/10.1007/s10854-019-00849-5

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