Chemisynthesized tungsten oxide (WO3) electrodes for high-performance asymmetric supercapacitor application: effect of deposition time

Patil, Sujata B.; Nikam, Ranjit P.; Lokhande, Chandrakant D.; Patil, Raghunath S.

doi:10.1007/s10854-023-11384-9

Cited by 6 publications

(1 citation statement)

References 39 publications

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“…Table 1 represents the Performance comparisons of the present work with investigated electrode materials. [53][54][55][56][57][58][59][60][61][62][63][64][65][66][67][68][69] It is shown that the specific capacitance, energy density, power density, and retention of specific capacitance are observed to be good for the P3MT/NiO/NiS electrode. This suggests that the P3MT/NiO/NiS electrode is a viable electrode material for applications involving supercapacitors.…”

Section: Cycling Performance Of Synthesized Nanocompositesmentioning

confidence: 99%

Studies on improved stability and electrochemical activity of metal oxides/sulfides‐based polymer nanocomposites for energy storage applications

Xavier

2024

Polymer Engineering & Sci

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Poly (3‐methylthiophene) (P3MT) was modified by nickel oxide (NiO) and nickel sulfide (NiS) nanoparticles to enhance its electrochemical performance. The surface influence, crystalline structure, and electrochemical performance of the P3MT/NiO/NiS material were characterized and compared with that of pristine P3MT. It is found that surface modification can improve the structural stability of P3MT without decreasing its available specific capacitance. The electrochemical properties of synthesized P3MT/NiO/NiS electrode were evaluated using cyclic voltammetry and alternating current impedance techniques in 3 M KOH electrolyte. Specific capacitances of 253, 764, 932, and 1434 F g−1 were obtained for P3MT, P3MT/NiO, P3MT/NiS, and P3MT/NiO/NiS, respectively at 5 A g−1. This improvement is attributed to the synergistic effect of Ni2+ ions in the P3MT/NiO/NiS electrode material. The P3MT/NiO/NiS electrode in KOH has average specific energy and specific power densities of 1032 Wh kg−1 and 6192 W/kg, respectively. Only 2% of the capacitance's initial value is lost after 10,000 cycles. The resulting P3MT/NiO/NiS nanocomposite had very stable and porous layered structures. This work demonstrates that P3MT/NiO/NiS nanomaterials exhibit good structural stability and electrochemical performance, and are good material for supercapacitor applications.Highlights The P3MT/NiO/NiS nanocomposite is fabricated and characterized as supercapacitor electrode. The incorporation of NiO/NiS in the poly (3‐methylthiophene) has improved the electrochemical performance. The P3MT/NiO/NiS electrodes retained 98% of their specific capacitance after 10,000 cycles. The P3MT/NiO/NiS nanocomposite electrode showed specific capacitance of 1434 F g−1 at 5 A g−1. The stability of the nanocomposite was enhanced without altering its morphology and chemical structure.

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Section: Cycling Performance Of Synthesized Nanocompositesmentioning

confidence: 99%

Studies on improved stability and electrochemical activity of metal oxides/sulfides‐based polymer nanocomposites for energy storage applications

Xavier

2024

Polymer Engineering & Sci

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Research progress on flexible WO3 based thin film electrodes for supercapacitor applications: a comprehensive review

Muslu,

Eren,

Oksuz

2024

emergent mater.

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In recent years, there has been significant research interest in flexible supercapacitors as energy storage devices for enhancing wearable and portable electronics. This is due to their lightweight nature, high power density, excellent cyclic durability, fast charge/discharge rate, and robust mechanical integrity. Flexible supercapacitors offer the potential to revolutionize the field of energy storage by providing efficient and reliable power sources for various portable and wearable applications. Thin film based electrodes, as one of the ingredients of flexible supercapacitors, have a considerable role on the electrochemical performance of flexible supercapacitors. Tungsten oxide (WO3), a transition metal oxide (TMO), is a highly desirable electrode material for flexible supercapacitor applications. It offers several advantages, including low cost, environmental friendliness, inherent conductivity, versatile oxidation states, and high theoretical capacity. These properties make WO3 an excellent choice for developing efficient and sustainable energy storage solutions. Specially, this review provides current developments on the WO3 based thin film electrodes toward flexible supercapacitors. We will present the focus attention on the charge storage mechanisms, fabrication strategies, and characterization methods employed in this field.

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Carbon bi-metallic molybdenum tungsten oxide composite as a potential electrode for high-performance asymmetric supercapacitor

Mohamedy,

El-Dek,

Abd Elhamid

et al. 2024

Journal of Alloys and Compounds

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Chemisynthesized tungsten oxide (WO3) electrodes for high-performance asymmetric supercapacitor application: effect of deposition time

Cited by 6 publications

References 39 publications

Studies on improved stability and electrochemical activity of metal oxides/sulfides‐based polymer nanocomposites for energy storage applications

Studies on improved stability and electrochemical activity of metal oxides/sulfides‐based polymer nanocomposites for energy storage applications

Research progress on flexible WO3 based thin film electrodes for supercapacitor applications: a comprehensive review

Carbon bi-metallic molybdenum tungsten oxide composite as a potential electrode for high-performance asymmetric supercapacitor

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