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Influence of preliminary anodic processing of aluminium in the aqueous phosphate solutions at wide range of concentrations and of potential sweep rates at the kinetics of cathodic incorporation of lanthanum and lithium from the solutions of their salts at the aprotic organic solvents was studied. Dependence of quantity of incorporated lithium at the La-Al_p electrode with phosphoric flint from the time of phosphate processing was detennined.

The electrochemical intercalation of lithium from propylene carbonate solutions into thin film Ti02 electrodes prepared by the heat treatment of Ti support was studied. Photoelectrochemical characteristics of film electrodes were investigated at potentials E corresponding to active insertion/extraction of lithium (1.0 +) and inert regions. Equivalent circuit which satisfactorily models impedance spectrum of TiO₂^- and Li_xTiO₂-electrodes in investigated frequency range from 103 to 10'2 Hz is suggested.

The analytical review of modern references on nickel-hydrogen electrochemical systems has been presented. The paper acquaints a curt information about history of their development. The attempt of systematization for a modem knowledge about performances of various hydrogen storage metal alloy families in terms of their potential and practical employment in nickel metal-hydride alkaline batteries is made. Upon a closer view of the literary data the main emphasis has been made on factors, which preferably afTect on kinetics of discussed processes.

The possibility of definition of electrolyte density in lead acid battery VRLA active mass pores is considered by calculation method with use of experimental data.

The full solubility diagram of the ternary system lithium hexafluorophosphate (LiPF₆) – diethyl carbonate (DEC) – propylene carbonate (PC) was studied by means of the section method. A three-phase equilibrium of peritectic nature was found to exist, lithium hexafluorophosphate and LiPF6 DEC crystal solvate being its solid phases. The compositions of the crystallizing solid phases obtained graphically (the section method) were confirmed with the aid of various techniques of physicochemical analysis.

The work presents electrolyte density evaluation algorithm for application in lead-acid batteries control automated system.

The work presents procedure of thermal balance evaluation in sealed lead-acid battery.

Properties of gel polymer electrolytes based on fluoropolymer F-42L and 1M dissolution of LiClO₄ in dimethylsulfone, 3-methoxysulfolane, 2,4-dimethilsulfolane and their blends with sulfolane were studied. Gel polymer electrolytes based on fluoropolymer F-42L and 1M dissolution of LiC104 in sulfones have conductivity, which is comparable with conductivity of systems based on y-butirolactone and propilenecarbonate, and high termostability.

The electrochemical behaviour of modified oxidized graphite has been studied. The samples of such a graphite were synthesized and purified according three various modes. The effect of electrolyte nature, current density, and temperature on electrode discharge capacity was estimated.

Effects of current density and potential scan rate upon reversible and irreversible processes at lithium intercalation into graphite were studied by gaivanostatic cycling and cyclic voltammetry correspondingly. Lithium was intercalated from 1 M LiClO₄ in a propylene carbon- ate-dimethoxyethane mixture. The current density rise is shown to result in lowering of reversible capacity, whereas irreversible one is marginally dependent on current density.