Well-integrated bismuth trioxide nanotriangles on carbon cloth as a flexible faradic electrode for supercapacitor applications

The development of redox-active and binder-free materials using facile synthesis methods has attracted great attention in the fabrication of high-performance energy storage devices. In this work, we have used a simple electrochemical deposition method for the direct growth of bismuth trioxide nanost...

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Bibliographic Details
Published in:Diamond and related materials 2023-11, Vol.139, p.110406, Article 110406
Main Authors: Sreekanth, T.V.M., Babu, P.S. Srinivasa, Al-Asbahi, Bandar Ali, Pallavolu, Mohan Reddy
Format: Article
Language:English
Subjects:
Binder-free material
Bismuth oxide
Carbon cloth
Electrochemical deposition
Redox-active
Supercapacitor
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Summary:The development of redox-active and binder-free materials using facile synthesis methods has attracted great attention in the fabrication of high-performance energy storage devices. In this work, we have used a simple electrochemical deposition method for the direct growth of bismuth trioxide nanostructures on carbon cloth (Bi2O3/CC) for electrochemical supercapacitors (SCs). The as-synthesized Bi2O3 electrode appeared to be triangle-shaped nanostructures with robust adhesion and good crystallinity on a flexible CC electrode. The binder-free Bi2O3/CC electrode has been directly used as an SC electrode, which demonstrated battery-type redox behavior with high electrochemical performance. The low charge transfer resistance (3.9 Ω) of the binder-free Bi2O3/CC electrode demonstrated a specific capacity of 105.5C/g at a current density of 1 A/g with good rate capability at 12 A/g. Moreover, Bi2O3/CC showed good cycling stability of 70.6 % after 2000 consecutive charge-discharge cycles. Considering the simple and direct growth of anode materials, this work could unlock the enormous potential for the development of negative electrode material in hybrid SCs with excellent energy storage properties. [Display omitted] •Binder-free Bi2O3 electrode material is prepared using electrochemical deposition.•Triangle-shaped Bi2O3 nanostructures has robust adhesion and good crystallinity.•Bi2O3/CC electrode demonstrated battery-type redox behavior.•Bi2O3/CC showed good rate capability and cycling stability.
ISSN:0925-9635
1879-0062
DOI:10.1016/j.diamond.2023.110406