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Influence of Poly(Vinylpyrrolidone) on the Synthesis of LiV3O8/LiV2O5 by Rheological Phase Reaction Method for Supercapacitor Application.

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Title: Influence of Poly(Vinylpyrrolidone) on the Synthesis of LiV3O8/LiV2O5 by Rheological Phase Reaction Method for Supercapacitor Application.
Authors: Pavithra, S.1, Kumar, P. Senthil2, Kathirvel, V.3, Rajesh, S.1, Sakunthala, A.1 meetsaku@gmail.com
Source: Journal of Electronic Materials. Jun2023, Vol. 52 Issue 6, p3963-3982. 20p.
Subjects: Aqueous electrolytes, Metallic oxides, Scanning electron microscopy
Abstract: A facile rheological phase reaction (RPR) approach has been used to synthesize the LiV3O8/LiV2O5 (LVO) mixed phase metal oxide for aqueous supercapacitor application. The influence of poly(vinylpyrrolidone) (PVP) on the synthesized LiV3O8/LiV2O5 mixed phase metal oxide was studied. PVP added LiV3O8/LiV2O5 (PLVO) was found to have dense nanowires as observed from field-emission scanning electron microscopy (FESEM) analysis, which was by the influence of PVP in synthesis process. Energy dispersive x-ray (EDAX) analysis shows the formation of more oxygen vacancies and carbon sites in the PLVO. For a current density of 1A/g, the above material exhibited a high initial specific capacitance of 194 F/g in a three-electrode cell with 1 M LiNO3 aqueous electrolyte. The material exhibited an excellent cyclic stability of 72.53%, even after 5000 cycles at a current density of 5 A/g. The morphology of the material was found to play a prominent role in the high capacitance and cyclic ability. Symmetric supercapacitor constructed using PLVO showed a highest specific capacitance of 120 F/g at 0.25 A/g, with 72.87% capacitance retention at 1 A/g after 150 cycles. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Electronic Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Electronic+Materials%22">Journal of Electronic Materials</searchLink>. Jun2023, Vol. 52 Issue 6, p3963-3982. 20p.
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  Data: <searchLink fieldCode="DE" term="%22Aqueous+electrolytes%22">Aqueous electrolytes</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+oxides%22">Metallic oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+electron+microscopy%22">Scanning electron microscopy</searchLink>
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  Data: A facile rheological phase reaction (RPR) approach has been used to synthesize the LiV3O8/LiV2O5 (LVO) mixed phase metal oxide for aqueous supercapacitor application. The influence of poly(vinylpyrrolidone) (PVP) on the synthesized LiV3O8/LiV2O5 mixed phase metal oxide was studied. PVP added LiV3O8/LiV2O5 (PLVO) was found to have dense nanowires as observed from field-emission scanning electron microscopy (FESEM) analysis, which was by the influence of PVP in synthesis process. Energy dispersive x-ray (EDAX) analysis shows the formation of more oxygen vacancies and carbon sites in the PLVO. For a current density of 1A/g, the above material exhibited a high initial specific capacitance of 194 F/g in a three-electrode cell with 1 M LiNO3 aqueous electrolyte. The material exhibited an excellent cyclic stability of 72.53%, even after 5000 cycles at a current density of 5 A/g. The morphology of the material was found to play a prominent role in the high capacitance and cyclic ability. Symmetric supercapacitor constructed using PLVO showed a highest specific capacitance of 120 F/g at 0.25 A/g, with 72.87% capacitance retention at 1 A/g after 150 cycles. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Electronic Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11664-023-10384-z
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      – SubjectFull: Scanning electron microscopy
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      – TitleFull: Influence of Poly(Vinylpyrrolidone) on the Synthesis of LiV3O8/LiV2O5 by Rheological Phase Reaction Method for Supercapacitor Application.
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              Text: Jun2023
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              Y: 2023
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