High-performing and ultra-stable TiO2 nanospheres as electrode materials for pseudo-supercapacitors

[Display omitted] •TiO2 nanospheres were developed by solution growth technique.•Physical and chemical properties were studied.•High specific capacitance value 810F/g was achieved.•TiO2 nanospheres has been found to remain stable until 10,000 cycles. In this study, we prepared titanium dioxide by a...

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Bibliographic Details
Published in:Materials letters 2023-03, Vol.335, p.133812, Article 133812
Main Authors: Dhilip Kumar, R., Balachandran, S., Jagadeesh Kumar, Alagarasan, Brundha, C., Kumar, Mohanraj, Lee, Moonyong
Format: Article
Language:English
Subjects:
Nanocrystalline materials
Nanoparticles
Powder technology
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Summary:[Display omitted] •TiO2 nanospheres were developed by solution growth technique.•Physical and chemical properties were studied.•High specific capacitance value 810F/g was achieved.•TiO2 nanospheres has been found to remain stable until 10,000 cycles. In this study, we prepared titanium dioxide by a simple, cost-effective, and sol–gel method. The maximum specific capacitance value was attained by the TiO2 nanosphere modified electrode, which measured 810F/g at 0.5 A/g in 2 M KOH. The stability of the TiO2 nanosphere coated electrode was demonstrated to be significantly higher than that of other commercially available electrodes for 10,000 cycles at 1.0 A/g. The TiO2 nanosphere is suitable as a high-efficienct electrode material for supercapacitor applications.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2022.133812