EventsMOL2NET'20, Conference on Molecular, Biomed., Comput. & Network Science and Engineering, 6th ed.
Event submissions
Published
with-doi10.3390/mol2net-06-06868 (registering DOI)
This submission belongs to the session 10. NANOBIOMATJND-06: JSU-NDSU Nanotech. & BioMaterials Workshop, Jackson & Fargo, USA, 2020 of the event MOL2NET'20, Conference on Molecular, Biomed., Comput. & Network Science and Engineering, 6th ed.
Published date
18 Jun, 2020
Citation
Essalah Gmar, Leroy Gérard, Mascot Manuel, Carru Jean Claude, Guermazi Hajer, Samir Guermazi, Dielectric properties of ZnO/ZnNb₂O₆ composite for energy storage applications, in Proceedings of MOL2NET'20, Conference on Molecular, Biomed., Comput. & Network Science and Engineering, 6th ed., 30 January 2020–30 January 2021, MDPI: Basel, Switzerland, doi: 10.3390/mol2net-06-06868
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Dielectric properties of ZnO/ZnNb2O6 composite for energy storage applications

Essalah Gmar 1
Leroy Gérard 2
Mascot Manuel 3
Carru Jean Claude 3
Guermazi Hajer 4
Samir Guermazi 5
1. 1Research unity of physic of insulator and semi insulator materials (PMISI), faculty of science, sfax university, Tunisia
2. 2Unity of Dynamic and Structure of Molecular Materials (UDSMM), Littoral Côte d’Opale (ULCO) University, Calais France
3. Unity of Dynamic and Structure of Molecular Materials (UDSMM), Littoral Côte d’Opale (ULCO) University, Calais France
4. Research unity of physic of insulator and semi insulator materials (PMISI), faculty of science, sfax university
5. science faculty sfax Tunisia
Abstract

Using the solid-state method, we were synthesized ZnO/ZnNb2O6 composite. The elaborated composite was characterized by X-ray diffraction and impedance spectroscopy. The XRD patterns show the co-existence of a hexagonal ZnO and an orthorhombic ZnNb2O6 structures. Then, the dielectrically properties were investigated at room temperature in a wide range of frequencies (from 20 Hz to 1MHz). Moreover, the composite nyquist curve revealed the contribution of grain and grain-boundaries. Indeed, theoretical fit exhibits high resistance, capacitive behavior, high permittivity and low loss factor. So this composite is a good candidate for super capacitor for energy storage application.

Keywords
composite
permittivity
loss factor
energy storage
Manuscript
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