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Relevant bibliographies by topics / VOLTAMPEROMETRY

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Journal articles

Academic literature on the topic 'VOLTAMPEROMETRY'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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Journal articles on the topic "VOLTAMPEROMETRY"

1

Shtefan, Viktoriia, Anastasiia Yepifanova, Oleksandr Kobziev, and Myroslava Metenkanych. "VOLTAMPEROMETRY OF Co–Mo ALLOY DEPOSITION." Bulletin of the National Technical University "KhPI". Series: Chemistry, Chemical Technology and Ecology, no. 39 (December 19, 2018): 80–83. http://dx.doi.org/10.20998/2079-0821.2018.39.15.

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2

HAMAM, A., D. OUKIL, A. DIB, H. HAMMACHE, L. MAKHLOUFI, and B. SAIDANI. "POLYPYRROLE COATED CELLULOSIC SUBSTRATE MODIFIED BY COPPER OXIDE AS ELECTRODE FOR NITRATE ELECTROREDUCTION." Surface Review and Letters 22, no. 05 (2015): 1550065. http://dx.doi.org/10.1142/s0218625x15500651.

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The aim of this work is to synthesize polypyrrole (PPy) films on nonconducting cellulosic substrate and modified by copper oxide particles for use in the nitrate electroreduction process. Firstly, the chemical polymerization of polypyrrole onto cellulosic substrate is conducted by using FeCl 3 as an oxidant and pyrrole as monomer. The thickness and topography of the different PPy films obtained were estimated using a profilometer apparatus. The electrochemical reactivity of the obtained electrodes was tested by voltamperometry technique and electrochemical impedance spectroscopy. Secondly, the modification of the PPy film surface by incorporation of copper oxide particles is conducted by applying a galvanostatic procedure from a CuCl 2 solution. The SEM, EDX and XRD analysis showed the presence of CuO particles in the polymer films with dimensions less than 50 nm. From cyclic voltamperometry experiments, the composite activity for the nitrate electroreduction reaction was evaluated and the peak of nitrate reduction is found to vary linearly with initial nitrate concentration.

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3

Ilnicka, Anna, Malgorzata Skorupska, Piotr Romanowski, Piotr Kamedulski, and Jerzy P. Lukaszewicz. "Improving the Performance of Zn-Air Batteries with N-Doped Electroexfoliated Graphene." Materials 13, no. 9 (2020): 2115. http://dx.doi.org/10.3390/ma13092115.

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The constantly growing demand for active, durable, and low-cost electrocatalysts usable in energy storage devices, such as supercapacitors or electrodes in metal-air batteries, has triggered the rapid development of heteroatom-doped carbon materials, which would, among other things, exhibit high catalytic activity in the oxygen reduction reaction (ORR). In this article, a method of synthesizing nitrogen-doped graphene is proposed. Few-layered graphene sheets (FL-graphene) were prepared by electrochemical exfoliation of commercial graphite in a Na2SO4 electrolyte with added calcium carbonate as a separator of newly-exfoliated FL-graphene sheets. Exfoliated FL-graphene was impregnated with a suspension of green algae used as a nitrogen carrier. Impregnated FL-graphene was carbonized at a high temperature under the flow of nitrogen. The N-doped FL-graphene was characterized through instrumental methods: high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. Electrochemical performance was determined using cyclic voltamperometry and linear sweep voltamperometry to check catalytic activity in ORR. The N-doped electroexfoliated FL-graphene obeyed the four-electron transfer pathways, leading us to further test these materials as electrode components in rechargeable zinc-air batteries. The obtained results for Zn-air batteries are very important for future development of industry, because the proposed graphene electrode materials do not contain any heavy and noble metals in their composition.

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4

Kuzmak, A. E., and A. V. Kozheurov. "Comparative Testing of Corrosive Kinetics of Steel by Voltamperometry and Coulometry Methods." Innovations in Corrosion and Materials Science (Formerly Recent Patents on Corrosion Science) 8, no. 2 (2019): 113–17. http://dx.doi.org/10.2174/2352094908666181106114933.

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5

Kolesnichenko, I. I., L. M. Balachova, and E. P. Kantarzhi. "Express Screening of Biological Objects Using Multisensor Stripping Voltamperometry with Pattern Recognition." American Journal of Analytical Chemistry 07, no. 07 (2016): 588–96. http://dx.doi.org/10.4236/ajac.2016.77054.

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6

Hamani, H., D. Lahcene, C. Boufeldja, et al. "Study of Fouling of a Cation Exchange Membrane with a Surfactant Using Voltamperometry." Separation Science and Technology 46, no. 15 (2011): 2322–31. http://dx.doi.org/10.1080/01496395.2011.595031.

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7

Kot, Iwona, and Halina Krawiec. "Improvement of the Corrosion Resistance of Biomedical Magnesium Alloys in the Ringer’s Solution Using Protective Coatings." Solid State Phenomena 227 (January 2015): 459–62. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.459.

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The corrosion resistance of magnesium alloys depends on their microstructure, especially the presence of different intermetallic phases and precipitates. In this paper, the electrochemical behaviour of Mg1Ca and Mg1Ca1Si magnesium alloys has been investigated in the Ringer’s solution at 37 °C. In order to improve the corrosion resistance of these magnesium alloys composite coatings were fabricated by modification of a chitosan layer. The coatings were prepared by dip-coating in a chitosan solution and then modified by electrochemical deposition of a layer from a solution containing fluorine ions and water glass. The electrochemical performance of chitosan and chitosan modified coated alloys was evaluated by linear sweep voltamperometry and electrochemical impedance spectroscopy. The coated magnesium alloys possess suitable corrosion behaviour for the application as biodegradable implant material.

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8

Slepushkin, Vyacheslav V., Yuliya V. Rublinetskaya, Elena Yu Moshchenskaya, and Boris I. Kashkarov. "ACTIVITY AND ACTIVITY COEFFICIENTS OF DISSOLVING PHASE OF HETEROGENEOUS ALLOY UNDER CONDITIONS OF LOCAL VOLTAMPEROMETRY." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 59, no. 2 (2018): 22. http://dx.doi.org/10.6060/tcct.20165902.5148.

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The new expressions for the activity coefficients of dissolving phase and for calibration curves i=f(С) are presented as the result of development of previous studies of an anode dissolution process of heterogeneous alloys at the conditions of local voltammetry.

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9

Sinelnikova, Yuliya, and Nikolai Uvarov. "The application of zinc citrate for the synthesis of carbon materials." MATEC Web of Conferences 340 (2021): 01042. http://dx.doi.org/10.1051/matecconf/202134001042.

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Zinc citrate was prepared and its thermal decomposition was investigated by methods of thermogravimetric analysis and differential scanning calorimetry. Products of the thermal decomposition were investigated by X-ray diffraction analysis. The decomposition proceeds at temperatures 50 - 420 °C in three stages and leads to the formation of nanocrystalline ZnO with the average grain size of 23 nm. Subsequently, zinc citrate was used as a precursor of ZnO hard template for preparation of carbon mesoporous materials by the solid template method. The carbon materials were obtained by pyrolysis of polymer matrix of phenol-formaldehyde resin in which zinc citrate was added. It was found that the resulting material has a specific surface area of 1051 m2/g. According to the cyclic voltamperometry data, the material has a specific capacity 40 F/g.

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10

Anzano, Jesús, Roberto-Jesús Lasheras, Beatriz Bonilla, et al. "Determination of trace metals by voltamperometry in zebra mussel (Dreissena polymorpha) employed as environmental bio-indicator." Green Chemistry Letters and Reviews 4, no. 3 (2011): 261–67. http://dx.doi.org/10.1080/17518253.2010.528050.

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