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M. M. Biliaiev, Iu. V. Brazaluk, P. S. Kirichenko, P. B. Mashykhina, A. S. Kovalenko
Pág. 5 - 12
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Volkov Artem, Kovalenko Vadim, Ibrahim A. Elgendy, Ammar Muthanna and Andrey Koucheryavy
Nowadays, 5G networks are emerged and designed to integrate all the achievements of mobile and fixed communication networks, in which it can provide ultra-high data speeds and enable a broad range of new services with new cloud computing structures such ...
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Valerii Kotok,Vadym Kovalenko
Pág. 58 - 65
Films based on nickel (II) oxides and hydroxides are used in electrochromic cells as one of the active materials that change their optical characteristics under the action of an electric current. Electrochemical deposition, due to which composite films o...
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Vadym Kovalenko,Valerii Kotok
Pág. 81 - 89
Nail polish, in particular gel nail polish, is the most used cosmetic product. The components of the gel polish, which determine both toxicity and consumer color properties, are pigments. Zn-Al layered double hydroxides intercalated with anionic food dye...
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?lena Kovalenko,Viktoriia Novoseltseva,Oleh Vasyliv,Olena Liapina,Olga Beregova
Pág. 14 - 25
Effective purification of natural and wastewater from heavy metals is a relevant environmental and national-economic problem. It can be solved by using plant-waste-derived biosorbents in water treatment technologies. They are formed in large quantities b...
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Valerii Kotok,Vadym Kovalenko
Pág. 31 - 37
Electrochromic devices are actuation elements of smart windows and allow saving the energy needed to cool the premises. Electrochemical deposition can significantly reduce the cost of electrochromic deposition.This paper discusses an electrochemical meth...
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Vadym Kovalenko,Valerii Kotok
Pág. 31 - 38
Nickel hydroxide is widely used in supercapacitors, alkaline batteries, for the electrocatalytic oxidation of organic contaminants, etc. Due to their electrochemical activity, Ni(OH)2 (a+ß) samples of a layer structure synthesized in a slit diaphragm ele...
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Vadym Kovalenko,Valerii Kotok
Pág. 29 - 37
In the modern world, nail polish, gel polish, in particular, is one of the most commonly used cosmetics. The pigment is a component of gel polish, which determines the toxicity and color of the composition. Zn-Al layered double hydroxides intercalated wi...
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Valerii Kotok,Vadym Kovalenko
Pág. 13 - 20
Zinc mesh electrode was proposed for creating a prototype of an electrochromic device capable of recuperating energy spent on coloration. The search for a suitable formation regime of the mesh electrode with required capacity was realized using several a...
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Vadym Kovalenko,Valerii Kotok
Pág. 30 - 39
In the modern world, one promising direction is the production and use of multifunction compounds. Ni-Al layered double hydroxide is widely used as the active material in supercapacitors. Nickel compounds are also colored and can be used as pigments. The...
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