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A research has been carried out to create an automated system of nickel-cadmium extraction. Precise and unfailing work of the system is achieved through the double-contour feedback effected with the help of contact-free pressure sensors, computer processing of sensor signals, and algorithms of working out controlling methods. The realisation of the technological process is reflected on a computer display.

The recombination process of the evolved oxygen during the sealed cells recharge is presented in the form of two interrelated mechanisms. The first one is accounted for by absorption of oxygen on the pore surface of the negative electrode, oxygen entering through the pores which are free from electrolyte. The other mechanism takes place due to forcing the electrolyte out of the electrode and a separating plate smaller pores and recombination of gas on the surface of the negative electrode pores freed of electrolyte.

Charging process for VRLA batteries regarding of its application has been studied. Charging algorithms that are best suited to VRLA batteries are examined and recommendations are forwarded for both float and cyclic duties.

The composed active cathodic material including CuO and Fe₂O₃ for 1.5 V lithium cells was proposed

The process of hydrogen ionization on conventional metalloceramic manufacturing nickel oxyhydroxide electrodes was examined by simulation sealed nickel-based rechargeable alkaline battery tests. The high efficiency of hydrogen oxidation was shown, when hydrogen evolved on cadmium or metal hydride electrodes in the course of water electrolysis.

Three versions of lithium cobaltite synthesis are studied, various precursors being used, specifically Co(NO₃)₂-LiNO₃; Co₃O₄-LiOH: CoC₂O₄-LiNO₃ The main feature of the present technology is rather large amount of target product (up to 1 kg) in unit operation. The best results were obtained using pair Co₃O₄-LiOH as precursors. Such material has initial specific capacity 148 mA·h/g with degradation rate 0.45 mA·h/g per cycle.

Functions of thermally expanded graphite as a component of electrode of chemical current sources have been shown. Advantages, principles of technology and results of electrochemical obtaining of thermally expanding graphite compounds with sulphuric acid in continuous action electrolyzer were given. Potentialities of creation of porous carbon matrixes without polymeric binder have been demonstrated experimentally.

Examined is the model of electrolytic produced hydrogen application as an option for peak loads smoothing out in power generating systems. The described model was developed for the case of simultaneous, implementation of several energy accumulation methods. Economic apprisal for expediency of hydrogen introduction to and integration into conventional power generating systems of the nearest future is investigated.

The electrochemical intercalation of lithium from propylene carbonate solutions into thin film carbon electrodes prepared by the chemical vapor deposition onto support was studied. The overall electrode polarization was divided into the kinetic and dift'usional components by means of pulse galvanostatic method. First component connected with charge transfer through the e!ectrode|solution interface, second one conditioned by the diffusion of the intercalated species.

The electrochemical behaviour of positive electrodes based on lithium cobaltite (LiCo₂) is studied. The lithium cobaltite was synthesized from cobalt oxide and lithium hydroxide. The effects of electrolyte nature, current density as well as aging on discharge capacity are investigated. The best performance of the lithium cobaltite was shown to be in 1 M LiCo₄ in a mixture of propylene carbonate with dimethoxyethane (7:3). In this case the initial discharge capacity was amounted to 148 mA·h/g whereas the capacity fading was insufficient.