Autor: Pierozynski, B. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The effect of thermal treatments on the mechanical and electrical properties of nickel-coated carbon fibre composites
Autorzy:: Pierozynski, B.
Powiązania:: https://bibliotekanauki.pl/articles/779289.pdf
Data publikacji:: 2011
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: włókno węglowe
nikiel
włókno węglowe powlekane niklem
NiCCF
adhezja międzyfazowa
rezystywność
opór właściwy
nickel-coated carbon fibre
interfacial adhesion
electrical resistivity
Opis:: Nickel-coated carbon fibre (NiCCF) composites may find technological applications within many industrial sectors, including: laptop computers, automotive and military industries. Typically, these applications require that NiCCF be subjected to extensive material processing; thus, optimization of mechanical (and electrical) properties for this material at the stage of its production is of significant importance. The present paper reports the application of specific, high-temperature heat treatments to laboratory-produced 12K50 NiCCF material, carried-out in order to improve the ductility and interfacial adhesion of electrodeposited Ni coating to the surface of carbon fibre substrate.
Źródło:: Polish Journal of Chemical Technology; 2011, 13, 1; 16-19
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Hydrogen evolution reaction at Ru-modified nickel-coated carbon fibre in 0.1 M NaOH
Autorzy:: Pierożyński, B.
Mikołajczyk, T.
Powiązania:: https://bibliotekanauki.pl/articles/778010.pdf
Data publikacji:: 2015
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: NiCCF
Ru-modification
hydrogen evolution reaction
HER
impedance spectroscopy
Opis:: The electrochemical activity towards hydrogen evolution reaction (HER) was studied on commercially available (Toho-Tenax) and Ru-modified nickel-coated carbon fibre (NiCCF) materials. Quality and extent of Ru electrodeposition on NiCCF tows were examined by means of scanning electron microscopy (SEM). Kinetics of the hydrogen evolution reaction were investigated at room temperature, as well as over the temperature range: 20-50°C in 0.1 M NaOH solution for the cathodic overpotential range: -100 to -300 mV vs. RHE. Corresponding values of charge-transfer resistance, exchange current-density for the HER and other electrochemical parameters for the examined fibre tow composites were recorded.
Źródło:: Polish Journal of Chemical Technology; 2015, 17, 1; 18-22
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Platinum dissolution and ethanol oxidation reaction on Pt-activated nickel foam in sodium hydroxide solution
Autorzy:: Pierozynski, B.
Mikolajczyk, T.
Powiązania:: https://bibliotekanauki.pl/articles/779425.pdf
Data publikacji:: 2017
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: Pt-activated nickel foam
ethanol oxidation reaction
Pt-dissolution
Opis:: Electrochemical oxidation of ethanol becomes an important process of modern electrochemistry, due to its potential application into direct ethanol fuel cell technology. As rates of ethanol oxidation reaction (EOR) are significantly enhanced in alkaline media, employment of highly corrosion resistant under alkaline conditions, but non-noble metals becomes of superior practical importance. This communication article reports on the process of anodic dissolution of platinum, which is investigated on Pt activated, electrooxidized nickel foam electrodes, employed for ethanol oxidation reaction in 0.1 M sodium hydroxide solution. The above was revealed through the application of cyclic voltammetry and combined SEM/EDX (scanning electron microscopy and energy dispersive x-ray) spectroscopy examinations.
Źródło:: Polish Journal of Chemical Technology; 2017, 19, 3; 41-43
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Electrooxidation of phenol on carbon fibre-based anodes through continuous electrolysis of synthetic wastewater
Autorzy:: Piotrowska, G.
Pierozynski, B.
Powiązania:: https://bibliotekanauki.pl/articles/779664.pdf
Data publikacji:: 2018
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: phenol electrooxidation reaction
carbon fibre
wastewater electrolysis
High-Performance Liquid Chromatography/Mass Spectrometry analysis
Opis:: This work reports on the process of phenol electrooxidation, which is carried-out through continuous electrolysis of synthetic, sodium sulphate-based wastewater. Phenol electrodegradation is examined by means of a laboratory size (ca. 700 cm₃ of working volume), poly (methyl methacrylate)-made electrolyser unit for various, carbon fibre and graphite-based anode configurations, and stainless steel cathodes, two different current-densities and concentrations of phenol in synthetically prepared wastewater solution. Proper monitoring of phenol degradation (including quantitative identification of reaction products and calculation of specific energy consumption) in wastewater is performed by means of instrumental, combined HPLC and MS technique in function of electrolysis time.
Źródło:: Polish Journal of Chemical Technology; 2018, 20, 1; 96-102
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Galvanic coupling effects for module-mounting elements of ground-mounted photovoltaic power station
Autorzy:: Pierozynski, B.
Bialy, H.
Powiązania:: https://bibliotekanauki.pl/articles/780083.pdf
Data publikacji:: 2017
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: PV mounting assembly
Zn-coated steel
Magnelis® coating
galvanic coupling
Opis:: This communication reports on the concerns associated with possible generation of galvanic coupling effects for construction materials that are used to manufacture mounting assemblies for ground-mounted photovoltaic (PV) power stations. For this purpose, six macro-corrosion galvanic cells were assembled, including: hot-dip Zn/Magnelis®-coated steel/Al and stainless steel (SS)/Al cells. Corrosion experiments involved continuous, ca. three-month exposure of these couplings in 3 wt.% NaCl solution, conducted at room temperature for a stable pH value of around 8. All corrosion cells were subjected to regular assessment of galvanic current-density and potential parameters, where special consideration was given to compare the corrosion behaviour of Zn-coated steel samples with that of Magnelis®-coated electrodes. Characterization of surface condition and elemental composition for examined materials was carried-out by means of SEM and EDX spectroscopy techniques.
Źródło:: Polish Journal of Chemical Technology; 2017, 19, 4; 22-27
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Ethanol oxidation reaction at Pd-modified nickel foam obtained by PVD method
Autorzy:: Mikołajczyk, T.
Turemko, M.
Pierożyński, B.
Powiązania:: https://bibliotekanauki.pl/articles/949482.pdf
Data publikacji:: 2015
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: PVD
nickel foam
electrochemical impedance spectroscopy
Opis:: In this study, palladium-modified nickel foam substrate was applied to examine ethanol oxidation reaction (EOR) in 0.1 M NaOH supporting solution. An EOR catalyst was prepared by physical vapour deposition (PVD) of palladium onto Ni foam material. Temperature-dependent kinetics of the EOR were studied over the temperature range: 20-60°C by means of a.c. impedance spectroscopy and cyclic voltammetry techniques. Deposition of a noble metal additive was clearly exposed through scanning electron microscopy: SEM/EDX-supported analysis. Most importantly, this work investigated the effect of pre-deposited fullerene on nickel foam, on the catalytic (EOR) properties of such-produced Ni foam/Pd composite material.
Źródło:: Polish Journal of Chemical Technology; 2015, 17, 2; 47-50
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Kinetics of electrooxidation of phenol on polycrystalline platinum
Autorzy:: Pierożyński, B.
Piotrowska, G.
Mikołajczyk, T.
Powiązania:: https://bibliotekanauki.pl/articles/779691.pdf
Data publikacji:: 2015
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: Phenol electrooxidation
PhER
polycrystalline Pt
electrochemical impedance spectroscopy
Opis:: This work reports on kinetics of phenol electrooxidation reaction (PhER), examined at polycrystalline Pt electrode in 0.5 M H₂SO₄ and 0.1 M NaOH supporting solutions. Important aspects of PhER kinetics were analysed based on potential-dependent, a.c. impedance-derived values of charge-transfer resistance and capacitance parameters. Special attention was also given to the influence of supporting electrolyte ions on the process of phenol oxidation (pH dependence of the PhER), in relation to an important role of anion adsorption on the Pt catalyst surface.
Źródło:: Polish Journal of Chemical Technology; 2015, 17, 2; 126-130
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Electrocoagulation of model wastewater using aluminum electrodes
Autorzy:: Smoczyński, L.
Muńska, K. T.
Pierożyński, B.
Kosobucka, M.
Powiązania:: https://bibliotekanauki.pl/articles/779115.pdf
Data publikacji:: 2012
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: model wastewater
dose of aluminum electrocoagulant
Opis:: Electrocoagulation makes an alternative method to chemical coagulation. This paper presents the results obtained during the electrocoagulation of the model wastewater using aluminum electrodes. The wastewater was treated by means of chronopotentiometric electrocoagulation process in a static system, at the constant current I = 0.3 A; therefore higher doses of electrocoagulant required longer electrocoagulation time. Changes in zeta potential, pH, turbidity, chemical oxygen demand (COD), suspended solids and total phosphorus concentrations in the treated wastewater were determined. A new method for determining the optimal dosage of the aluminum electrocoagulant was proposed through application of the third degree polynomial function rather than the parabolic equation. An increase in the electrocoagulant dose raised the share of sweep fl occulation in the studied treatment process, resulting in the effective removal over 90% of phosphorus compounds from the system.
Źródło:: Polish Journal of Chemical Technology; 2012, 14, 3; 66-70
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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