The paper describes a combined solar-wind station, which has horizontal orientation of a wind-power facility, developed by the authors. Possibilities of its application in a tourist area “Avaza” on Caspian See coast are considered. Wind situation of the region is studied; analysis, calculation, and graphical data to use traditional and proposed wind facilities are presented. Comparative characteristics of the traditional wind facility and facilities with horizontal blades of “Banana” and “Bell” types are presented. Output energy of the proposed facility exceeds the power of the traditional facility in 2.8 times. This is confirmed by the calculations, presented histograms and regression equations.

The paper describes the results of research of the operation of wind turbines on up to 10 kW power located on polygons, buildings and engineering constructions. Vertical axis and horizontal axis installations have shown the satisfactory durability to the oncoming wind flow up to 25 m/s. The cost parameters of all small turbines are similar in general. The structures of turbines have demonstrated different levels of vibration and acoustic noise, in some cases exceeding the applicable standard requirements. Aesthetic social sensation is positive in general, on the level of futuristic anthropogenic imagination.

Full computer simulation of the active layer of a fuel cell cathode with polymer electrolyte (Nafion) is carried out. In the active layer of cathode inside carbon, the cluster specific surface area of support grains, which enables the process of oxygen reduction, can reach as much as 10⁶ cm^-1. For this reason, fuel cells with polymer electrolyte appear to be potentially highly valuable. At the same time, our analysis of all stages of current generation has established three negative factors. Due to these factors, the overall current of fuel cells with polymer electrolyte cannot exceed 1-2 А/cm² under standard conditions (i.e., oxygen cathode potential E₀ = 0.6 V, temperature 80 °С, pressure 101 kPa). As a result, the overall characteristics of fuel cells with Nafion are unfortunately the same as those of fuel cells with liquid electrolyte solutions.

The activity of Rh/Ni/Al₂O₃ catalytic coatings formed on the surface of FeCrAl plates was studied in the reaction of partial oxidation of methane vs. Rh/Ni ratio and conditions of Al₂O₃ layer formation. The microreactor containing 23 FeCrAl plates with more active 5%Rh/10%Ni/Al₂O₃ catalytic coating was designed. Testing of the microreactor in mentioned reaction at 700 °C showed that it is highly competitive with known analogs.

The program of computer modeling of porous electrodes (active layers) of one or another type (fuel cell with polymer electrolyte, lithium-ion battery, supercapacitor and so on) was represented. This is a sequence of successive steps: a model of active layer, percolation estimates, calculation of effective coefficients, calculations and optimization of main parameters characterizing the active layer.

In this article the possibility of synthesis of phases on the basis of Ba₄Ca₂Nb₂O₁₁ by heterovalent replacement F^- → O^2- is studied. It is established that the samples Ba₄Ca₂Nb₂O_11-0,5xF_x are single-phase in the range of 0 ≤ x ≤ 0.4 and are characterized by cubic structure of double perovskite. It is proved these phases are capable to dissociation water incorporation in structure from gas phase and high-temperature protonic conductivity. The conductivity of fluorine-doping samples was higher then undoped for 0.5 0.8 order of magnitude in region Т < 600 °С. Fluorine-doping method may be recommended as a general way for optimizing transport properties of oxygen and protonic conductors.

The paper presents historical materials on edge cutting tools design, based on cubic boron nitride, and describes modern state of local cutting superhard materials production. Parameters of hexagonal boron nitride conversion into cubic form are considered, and it is shown that gas-phase transport reactions with hydrogen play the main role. The author note likeness between processes of graphite gas-phase synthesis and hexagonal boron nitride, and also obtaining diamond and cubic boron nitride; though diamond synthesis has been performed both from methane and indirectly from graphite. It is shown that there is a similar scheme for the cubic boron nitride. In spite of the fact that today we have only indirect process of cubic structure synthesis from hexagonal modification in a high-pressure device, it does mot mean that it is impossible to obtain diamond-like boron nitride directly from gaseous compositions of boron and nitrogen. The paper presents positive investigation results on the cubic boron nitride synthesis in conditions excluding any pressure on initial burden of hexagonal boron nitride and catalyst metal. Estimated conditions of gasphase synthesis of the cubic boron nitride from boron and nitrogen compound at normal pressure are proposed and description of the device for the process realization is presented. Conditions of microwave heating that are similar to ones for diamond synthesis from methane should be created to obtain gas-phase synthesis of the cubic boron nitride without high pressures; i.e. it is necessary to increase supplied specific power and find experimentally optimum concentration of initial gaseous substances, containing boron and nitrogen, to obtain the cubic boron nitride.