Comparative study of supercapacitive behaviour of vanadium oxide nanoflakes deposited hydrothermally on stainless steel mesh

Vanadium oxides are anticipated to be high-performance energy storage electrodes due to their connected double layer and pseudo-capacitive charge storage mechanism. In the current work, flexible stainless-steel mesh substrates are created using a straightforward hydrothermal approach resulting net-l...

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Bibliographic Details
Published in:Bulletin of materials science 2024-04, Vol.47 (2), p.82, Article 82
Main Authors: Yadav, Aditi D, Patil, Rutuja B, Gurav, Rutuja, Patil, Sarita P
Format: Article
Language:English
Subjects:
Adsorption
Alternative energy sources
Charge transfer
Chemistry and Materials Science
Comparative studies
Electrodes
Energy storage
Engineering
Fourier transforms
Materials Science
Metal oxides
Oxidation
Renewable resources
Scanning electron microscopy
Spectrum analysis
Stainless steels
Substrates
Thin films
Vanadium oxides
Wind power
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Summary:Vanadium oxides are anticipated to be high-performance energy storage electrodes due to their connected double layer and pseudo-capacitive charge storage mechanism. In the current work, flexible stainless-steel mesh substrates are created using a straightforward hydrothermal approach resulting net-like linked nanoflakes and microflowers. There are more electrochemically active sites for energy storage due to its large surface area. Stainless-steel mesh substrates themselves provide porous structure for charge transfer. Morphological results of SEM show porous nanoflake-like structures grown on the substrate. Phase is confirmed using XRD studies. It shows the specific capacitance of 675.66 F g −1 and 343.33 Wh g −1 of energy density at 0.002 A g −1 current density and power density of 19,000 W g −1 .
ISSN:0973-7669
0250-4707
0973-7669
DOI:10.1007/s12034-024-03174-8