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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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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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Valerii Kotok,Vadym Kovalenko
Pág. 12 - 17
An attempt was made to co-deposit nickel and manganese hydroxide films to be used as anodic electrochrome. Cathodic template method with polyvinyl alcohol was used for this. Deposition was conducted in the galvanostatic regime from the solution containin...
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Vadym Kovalenko,Valerii Kotok,Alexey Sykchin,Ihor Kovalenko,Oksana Berzenina,Viktoriia Stoliarenko,Iryna Plaksiienko,Pavlo Pysarenko,Marina Samojlik
Pág. 15 - 23
Binary Ni-Co compounds, namely oxyhydroxides and cobaltates of nickel, are promising active compounds for supercapacitors. The characteristics of binary Ni-Co oxyhydroxides synthesized using the method of high-temperature two-stage synthesis with hot and...
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Vadym Kovalenko,Valerii Kotok
Pág. 6 - 12
Nickel hydroxide is widely used as the active material in chemical power sources. The formation mechanism of nickel hydroxide includes two fast phases of the formation of an initial amorphous particle and slow aging (crystallization) stage. Characteristi...
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