Russian Journal of Electrochemistry

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Diffusion of acid and alkaline salt solutions through the Nernst diffusion layer
Russian Journal of Electrochemistry - Tập 45 - Trang 1193-1197 - 2009
N. P. Gnusin
The behavior of diffusion layer under the conditions of salt transfer with excess of acid or alkali, involving the hydrogen and hydroxyl ions, is studied. The transfer is affected by the applying of current. The method of investigation was mathematical simulation based on the solving of boundary problems by using the Nernst-Planck equation with regard to the corresponding conditions of the transfe...... hiện toàn bộ
Interaction between Thallium and the Au(111) Surface. Quantum-Chemical Analysis
Russian Journal of Electrochemistry - Tập 54 - Trang 912-921 - 2019
N. A. Rogozhnikov
The interaction between thallium atoms and the Au(111) surface is studied using the cluster metal surface model and the density functional method. An adsorbed thallium atom forms a strong chemical bond with surface gold atoms. The adsorption energy barely depends on the location of the thallium atom. The electron density is appreciably displaced from thallium to gold in the process of adsorption. ...... hiện toàn bộ
Adsorption of polyethylene glycol on platinum electrode from acidic solutions
Russian Journal of Electrochemistry - Tập 42 Số 9 - Trang 995-1000 - 2006
T. Ya. Safonova, N. V. Smirnova, О. А. Петрий
Synthesis and electrochemical properties of composites based on carbon nanotubes and polyaniline
Russian Journal of Electrochemistry - Tập 47 - Trang 1125-1128 - 2011
E. P. Koval’chuk, A. P. Tomilov, A. I. Krupak, Ya. S. Kovalyshyn
composites made of polyaniline and multiwalled carbon nanotubes have been electrochemically synthesized. The modification of multiwalled carbon nanotubes by a salt of phenyldiazonium significantly increases the redox currents of the polyaniline matrix in the composite. As a result of modification, the conformational state of polyaniline macrochains changes, leading to changes in the morphology, st...... hiện toàn bộ
Some Specific Features in the Applying the Method of Raman Spectroelectrochemistry while Studying Polyaniline Electrosynthesis in Polymeric-Acid Medium
Russian Journal of Electrochemistry - Tập 55 - Trang 1077-1085 - 2019
A. A. Nekrasov, O. D. Iakobson, O. L. Gribkova
Initial stages of aniline galvanostatic polymerization at platinum electrode in aqueous solutions of poly-2-acrylamido-2-methyl-1-propansulfonic acid and polystyrenesulfonic acid are studied by the method of Raman spectroelectrochemistry. A laser with wavelength of 532 nm excited the Raman scattering. The very presence of intermolecular associates able to luminescence in the polyacid solution (in ...... hiện toàn bộ
Electrochemical properties of 1-butyl-3-methylimidazolium bromide melt containing water impurities
Russian Journal of Electrochemistry - Tập 44 - Trang 1257-1262 - 2008
E. P. Grishina, A. M. Pimenova, L. M. Ramenskaya, O. V. Kraeva
The effect of a water impurity (1.8–10 wt %) on the conductivity of the ionic liquid-H2O binary system was studied in a wide temperature range. It was shown that the interaction between components is characteristic of this system, and the molar ratio of components 1: 1 is boundary between the structures of solution and melt. The basic kinetic features of electrochemical reduction of water of the B...... hiện toàn bộ
Phase-response characteristics of the transfer function of a spatially limited electrochemical cell
Russian Journal of Electrochemistry - Tập 43 - Trang 1358-1363 - 2007
E. V. Egorov, V. A. Kozlov, A. V. Yashkin
Investigation of the dynamic characteristics of diffusion transducers is of great practical importance because of the wide utility of these devices in instruments for measuring the movement parameters and wave fields. Previously, cathode currents were the object of investigation because their difference was used as an output signal in several useful devices. In this work we investigated the amplit...... hiện toàn bộ
Electrochemical behavior of membranes of ion-selective electrodes based on complex oxides
Russian Journal of Electrochemistry - Tập 43 - Trang 483-487 - 2007
V. A. Kolotygin, A. L. Podkorytov, E. V. Sokolova, V. M. Zhukovskii
Lead-selective film electrodes with solid contact with membranes on the basis of niobates and vanadates of compositions Sr2.75Pb0.25La(VO4)3, Ba3.8Pb0.2Nb2O9, Ba3.5Pb0.5Nb2O9, Pb3NiNb2O9, and Pb2Nb2O7 are constructed and studied. Basic electrochemical characteristics of ion-selective electrodes, such as linearity region and steepness of the electrode function, working pH interval, type of electrod...... hiện toàn bộ
Limiting Electroconductivity and Structure of Molten Chlorides of Alkaline-Earth Metals
Russian Journal of Electrochemistry - Tập 39 - Trang 1083-1088 - 2003
S. M. Gadzhiev, O. M. Shabanov, A. O. Magomedova, S. A. Dzhamalova
It is established experimentally that the electroconductivity of individual molten chlorides of calcium, strontium, and barium increases with the electric field strength and reaches limiting values, which are dependent on the salt nature and the temperature. The limiting electroconductivity of molten calcium and strontium chlorides satisfactorily obeys the Nernst–Einstein relationship. The relaxat...... hiện toàn bộ
Electrochemical Properties of Overoxidized Poly-3,4-Ethylenedioxythiophene
Russian Journal of Electrochemistry - Tập 54 - Trang 893-901 - 2019
M. A. Kamensky, S. N. Eliseeva, G. Láng, M. Ujvári, V. V. Kondratiev
The properties of poly(3,4-ethylenedioxythiophene) (PEDOT) films were studied electrochemically at high positive potentials (from–0.3 to 1.5 V relative to the Ag/AgCl electrode). A cyclic voltammetry (CV) study revealed the range of potentials (up to 1.3–1.5 V) where the cycling leads to significant changes in the electrochemical, structural, and morphological properties of the polymer film due to...... hiện toàn bộ
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