Gadolinium doped zinc ferrite nanoarchitecture reinforced with a carbonaceous matrix: a novel hybrid material for next-generation flexible capacitors

Aadil, Muhammad; Taki, Anmar Ghanim; Zulfiqar, Sonia; Rahman, Abdur; Shahid, Muhammad; Warsi, Muhammad Farooq; Ahmad, Zubair; Alothman, Asma A.; Mohammad, Saikh

doi:10.1039/d3ra05290g

Cited by 45 publications

(3 citation statements)

References 50 publications

(53 reference statements)

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“…(5) and Eq. (6) respectively [ [38] , [39] , [40] , [41] ]. The gathered outcomes were inserted in Table 1 .…”

Section: Resultsmentioning

confidence: 99%

Green synthesis of silver doped zinc oxide/magnesium oxide nanocomposite for waste water treatment and examination of their cytotoxicity properties

Shekofteh Narm,

Hamidinezhad,

Sabouri

et al. 2024

Heliyon

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“…(5) and Eq. (6) respectively [ [38] , [39] , [40] , [41] ]. The gathered outcomes were inserted in Table 1 .…”

Section: Resultsmentioning

confidence: 99%

Green synthesis of silver doped zinc oxide/magnesium oxide nanocomposite for waste water treatment and examination of their cytotoxicity properties

Shekofteh Narm,

Hamidinezhad,

Sabouri

et al. 2024

Heliyon

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“…Owing to the increasing demand for energy storage devices, researchers have developed transition metal oxide-based supercapacitors for energy storage [3][4][5][6]. Additionally, ceramic-based capacitors, batteries, and nanogenerators are explored for energy storage and generation [7,8]. The ceramic materials alone cannot fulfil the requirement of having high breakdown strength along with a high dielectric constant for energy storage devices.…”

Section: Introductionmentioning

confidence: 99%

Enhancement of energy storage in nanocomposite thin films: Investigating PVDF-ZnO and PVDF-TZO for improved dielectric and ferroelectric characteristics

Kaur,

Kumar,

Anand

et al. 2024

Phys. Scr.

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In contrast to a polymer nanocomposite for high energy density application, a lead-free material such as zinc oxide (ZnO) and a non-toxic polymer matrix such as polyvinylidene fluoride (PVDF) can serve as a potential candidate for use in eco-friendly applications. In the present report, an effort has been made to enhance the dielectric behavior of the PVDF-based nanocomposites by adding ZnO nanoparticles (NPs) and TiO2-coated ZnO NPs (TZO) as nanofillers. A wet chemical precipitation technique was adopted to synthesize the thin films of PVDF and PVDF-ZnO, and PVDF-TZO nanocomposites. The structural, dielectric, ferroelectric, and energy density studies of PVDF, PVDF-ZnO, and PVDF-TZO nanocomposites thin films were performed for different concentrations (10%, 20%, 30%, and 40%) of nanofillers. Structural characterization carried out using X-ray diffraction studies confirmed the formation of PVDF-ZnO and PVDF-TZO nanocomposite thin films as the diffraction peaks (110) and (200) belonging to β-phase of PVDF, and (100, (002), (101), (110), (103), (200), (112), and (210) peaks were observed for ZnO, and (200), (116), (202) peaks belonging to TiO2 in case of PVDF+ 10% TZO and PVDF+40% TZO thin films. The functional groups belonging to β-phase of PVDF and ZnO were detected using a Fourier transform infrared spectrometer (FTIR). The surface microstructural of pure PVDF thin films showed spherulites and microimages of PVDF+ 10% ZnO and PVDF+ 10% TZO thin films depicted the inhomogeneous distribution of particles in the PVDF matrix. The maximum value of the dielectric constant, the maximum value of energy density, maximum remnant polarization, and the minimum value of dielectric loss for PVDF-TZO. PVDF-TZO thin films show an energy density of 65.3 µJ/cm3 for 40% of the nanofiller (TZO).

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“…In contrast, supercapacitors are excellent candidates to achieve high power density and it possess higher cyclic stability with efficient rate capability. [6][7][8] But the major bottleneck is their low energy density. [9] But for applications requiring high power like rapid accelerator, forklifts, electric cars, etc., supercapacitors are the suitable candidates.…”

mentioning

confidence: 99%

2D Nickel Sulfide Electrodes with Superior Electrochemical Thermal Stability along with Long Cyclic Stability for Supercapatteries

Thomas,

Cherusseri,

N. Rajendran

2024

Energy Tech

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Supercapatteries are contemporary electrochemical energy‐storage devices that bridge the gap between the conventional supercapacitors and rechargeable batteries. Supercapatteries utilize battery‐type electrode‐active materials for their charge storage. Among the various futuristic materials, transition‐metal dichalcogenides receive prominent attention due to their excellent charge‐storage capabilities. Herein, the microwave‐assisted hydrothermal synthesis of layered two‐dimensional (2D) nickel sulfide nanosheets (NSN) and their application as electrode‐active materials in high‐performance asymmetric supercapatteries are reported. The layered 2D architecture is preferred for the electrode‐active materials as the layered electrode nanostructure provides a hindrance‐free movement to the electrolyte ions through it during the charge‐storage process that include intercalation/deintercalation mechanisms. The electrochemical thermal stability of the 2D NSN electrode reveals that its stability in KOH (aqueous) electrolyte is better than that in LiOH (aqueous) and NaOH (aqueous) electrolytes. The supercapattery electrode synthesized using 2D NSN exhibits excellent electrochemical charge‐storage performances bearing a maximum specific capacity of 594.77 C g−1 (an equivalent mass‐specific capacitance of 991.29 F g−1) in 2 M KOH (aqueous) electrolyte. The electrochemical cycling performance of the 2D NSN electrode shows a stability over 40 000 cycles without any significant capacity loss. An asymmetric supercapattery device fabricated with 2D NSN electrode as positrode and activated carbon as negatrode exhibits a maximum mass‐specific capacity of 143.58 C g−1 with a corresponding energy density of 29.91 Wh kg−1 in 2 M KOH (aqueous) electrolyte.

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Gadolinium doped zinc ferrite nanoarchitecture reinforced with a carbonaceous matrix: a novel hybrid material for next-generation flexible capacitors

Abstract: Gd-doped and CNT-reinforced electroactive material was supported on Al-foil to form flexible electrodes for supercapacitors. The hybrid material showed excellent electrochemical activities beneficial for next-generation supercapacitor applications.

Cited by 45 publications

References 50 publications

Green synthesis of silver doped zinc oxide/magnesium oxide nanocomposite for waste water treatment and examination of their cytotoxicity properties

Green synthesis of silver doped zinc oxide/magnesium oxide nanocomposite for waste water treatment and examination of their cytotoxicity properties

Enhancement of energy storage in nanocomposite thin films: Investigating PVDF-ZnO and PVDF-TZO for improved dielectric and ferroelectric characteristics

2D Nickel Sulfide Electrodes with Superior Electrochemical Thermal Stability along with Long Cyclic Stability for Supercapatteries

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