MHD Supported Electroreduction of Formate Nickel Complexes with Simultaneous Incorporation of TiO2 Particles

The present work concerns analysis of the possibilities of synthesis of Ni-TiO2 composite coatings from electrolytes containing formate nickel complexes. A magnetic field was applied as an additional factor enabling modification of properties of the synthesized coatings through its influence on elec...

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Bibliographic Details
Published in:Archives of metallurgy and materials 2020-01, Vol.65 (1), p.219-227
Main Author: Mech, K
Format: Article
Language:English
Subjects:
Coated electrodes
Coatings
composite coatings
Current efficiency
electrodeposition
Electrolysis
Electrolytes
Magnetic fields
Magnetic induction
mhd effect
ni-tio2 composites
Nickel
Synthesis
Titanium dioxide
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Summary:The present work concerns analysis of the possibilities of synthesis of Ni-TiO2 composite coatings from electrolytes containing formate nickel complexes. A magnetic field was applied as an additional factor enabling modification of properties of the synthesized coatings through its influence on electrode processes. The presented data describes the effect of electrode potential, TiO2 concentration in the electrolyte as well as the value of the magnetic field induction vector on the deposition rate, composition, current efficiency, structure, surface states and morphology of synthesized coatings. The studies were preceded by thermodynamic analysis of the electrolyte. The obtained results indicated possibilities of synthesis of composites containing up to 0.97 wt. % of TiO2. Depending on applied electrolysis conditions current efficiency amounted to from 61.2 to 75.1%.
ISSN:1733-3490
2300-1909
DOI:10.24425/amm.2019.131118