Journal
CHEMICAL PHYSICS LETTERS
Volume 802, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2022.139760
Keywords
h-WO3; Nanorods; Hydrothermal method; Electrochemical properties; Trassati and Dunn method
Funding
- Science and Engi-neering Research Board (SERB) [SERB/F/10804/2017-18]
- Science and Engineering Research Board (SERB), Govt. of India [SERB/F/10804/2017-18]
- NIT Kurukshetra
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WO3 nanorods were synthesized as electrode material using the hydrothermal method. The pure phase development of the material was confirmed by X-ray Diffraction pattern. The shape and size of the synthesized samples were explored by SEM, and the functional groups and bonding vibrations associated with the samples were confirmed by FTIR spectra. The electrochemical study showed a maximum specific capacitance of 741 F/g in H2SO4 electrolyte. Trassati and Dunn methods were used to analyze the contribution of capacitive and diffusion currents.
WO3 nanorods as electrode material are synthesized using the hydrothermal method. X-ray Diffraction pattern confirmed the pure phase development of as-prepared material. Further, the shape and size of the particles of synthesized samples are explored by SEM, and FTIR spectra confirmed the functional groups and bonding vibrations associated with the synthesized sample. The electrochemical study was done using the three-electrode system in different aqueous electrolytes i.e. H2SO4, KNO3 and KOH. The maximum specific capacitance of 741 F/ g at 1 mA is achieved in the H2SO4 electrolyte. Trassati and Dunn methods were employed which revealed the contribution of capacitive and diffusion currents.
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