Electrochemical supercapacitors of anodized-brass-templated NiO nanostrutured electrodes

[Display omitted] This paper reports the electrochemical synthesis of nickel oxide (NiO) onto a substrate template of anodized-brass (Cu–Zn). Structurally and morphologically all the electrodes, i.e. pristine, anodized and NiO-covered Cu–Zn electrodes, are different from one another. NiO-covered Cu–...

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Bibliographic Details
Published in:Scripta materialia 2015-04, Vol.99, p.29-32
Main Authors: AL-Osta, Ahmed, Jadhav, Vijaykumar V., Zate, Manohar K., Mane, Rajaram S., Hui, K.N., Han, Sung-Hwan
Format: Article
Language:English
Subjects:
ANNEALING PROCESSES
Anodization
Anodizing
BRASSES
CAPACITORS
Copper
Electrochemical supercapacitor
Electrodeposition
Electrodes
Electrolytes
MICA
Nanostructure
NICKEL OXIDE
Nickel oxides
Optimization
OXIDES
Supercapacitors
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Summary:[Display omitted] This paper reports the electrochemical synthesis of nickel oxide (NiO) onto a substrate template of anodized-brass (Cu–Zn). Structurally and morphologically all the electrodes, i.e. pristine, anodized and NiO-covered Cu–Zn electrodes, are different from one another. NiO-covered Cu–Zn electrodes were annealed at different temperatures (300–600°C at 100°C intervals) and appear suitable for electrochemical supercapacitors; a wide potential range (0.1–0.6V) and optimum specific capacitance (91.43Fg−1) are obtained for 400°C in 0.5M NaOH electrolyte at 2mVs−1 scan rate.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2014.11.019