Zobrazeno 1 - 10
of 37
pro vyhledávání: '"E.M. Kamar"'
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 7381-7393 (2023)
Four powder samples of Nickel ferrite (NiFe2O4) with different morphology and nanoparticle size have been synthesized by various methods: electrospinning, hydrothermal, green, and sol-gel. Through the use of XRD, FT-IR, SEM, TEM, and BET techniques,
Externí odkaz:
https://doaj.org/article/7ff92776b0774e2aa549c9d64ecca722
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3521-3535 (2022)
Activated carbon (AAC), NiFe2O4, and binary nanocomposites of NiFe2O4 and AAC electrodes have been prepared for supercapacitor applications. Nickel ferrite (NiFe2O4) was prepared using four different ways: electrospinning, hydrothermal, sol–gel, an
Externí odkaz:
https://doaj.org/article/2591b3b86f9943cf808c08485119d66f
Publikováno v:
Benha Journal of Applied Sciences. 5:209-216
Publikováno v:
Egyptian Journal of Petroleum, Vol 29, Iss 2, Pp 203-209 (2020)
In the present work, three dyes of 6,7-dihydroxy-8-[(E)-(4-methoxyphenyl)diazenyl]-4-methyl-2H-chromen-2-one, (D1) 6,7-dihydroxy-8-[(E)-(4-hydroxyphenyl) diazenyl]-4-methyl-2H-chromen-2-one (D2), and 6,7-dihydroxy-4-methyl-8-[(E)-(4-methylphenyl) dia
Autor:
Eslam Sheha, E.M. Kamar
Publikováno v:
Materials Science-Poland, Vol 37, Iss 4, Pp 570-576 (2019)
Magnesium batteries are regarded as promising candidates for energy storage devices owing to their high volumetric capacity. The practical application is hindered, however, by strong electrostatic interactions between Mg2+ and the host lattice and du
Publikováno v:
Egyptian Journal of Chemistry.
ZnS and 3% Mn: ZnS QDs were prepared by the hydrothermal method. The samples are characterized by X-ray diffraction (XRD), UV-Vis spectroscopy, photoluminescence (PL) and Fourier-transform Infrared spectroscopy (IR). UV-Vis spectroscopy data showed t
Publikováno v:
Materials Letters. 232:103-106
Herein, for the first time we attempt to use graphene nanoplatelets (GNPs) as a cathode for magnesium ion batteries. We demonstrate a simple electrochemical technique to synthesise GNP-Mg composites and modify its structure using heat treatment ∼60
Autor:
E.M. Kamar, Eslam Sheha
Publikováno v:
Materials Science-Poland, Vol 35, Iss 3, Pp 528-533 (2017)
Ultrafine Co3O4nanoparticles homogeneously attached to graphene sheets by sonochemical method have been demonstrated as a promising cathode material for magnesium batteries. X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy disp
Publikováno v:
Materials Letters. 284:129033
This paper is an attempt to design new cathodic materials for rechargeable magnesium batteries (RMBs) via combining sulfur (S) with BaTiO3 (BTO) by a sono-chemical method. X-ray diffraction (XRD) demonstrates that the introduction of sulfur within th
Publikováno v:
Journal of Molecular Liquids. 220:755-761
The inhibition effect of animal glue toward the corrosion of aluminum and two aluminum-silicon alloys in 0.1 M NaOH solution was investigated using potentiostatic polarization, electrochemical impedance spectroscopy (EIS), cyclic voltammetry and pote