An energy conversion device comprising at least one thermal energy input, a plurality of energy outputs, a first modular part (100) and a second modular part (200), wherein: i. The first modular part (100) comprises at least a core Brayton generator; ii. The second modular part (200) comprises at least a heat pump module comprising at least one heat exchanger (2010); And wherein said heat pump is integrated with the first modular part (100) in order to share at least one heat exchanger (1060, 2010) between the first (100) and the second (200) modular parts, as well as set of valves and variable speed mechanical coupling and gear box; And wherein the core Brayton generator comprises an expander module and a compressor module configured to be positive displacement machines of the screw type with the expander module supplying motive power to the second modular part (200).

Provided are a high-temperature-side loop to which thermal fluid from a thermal line is supplied for power generation, a low-temperature-side loop to which the thermal fluid from the high-temperature-side loop is guided for power generation, a thermal-fluid thermometer to detect a temperature of the thermal fluid supplied to the high-temperature-side loop, and a line switcher to switch, on the basis of the detected temperature of the thermal-fluid thermometer, between a mode where the thermal fluid from the thermal line is supplied through the high-temperature-side loop to the low-temperature-side loop and a mode where the supply of the thermal fluid to the high-temperature-side loop is shut off and the thermal fluid is supplied only to the low-temperature-side loop.

Thermochemical storage materials having the general formula A.sub.xA.sub.1-xB.sub.yB.sub.1-yO.sub.3-, where A=La, Sr, K, Ca, Ba, Y and B=Mn, Fe, Co, Ti, Ni, Cu, Zr, Al, Y, Cr, V, Nb, Mo, are disclosed. These materials have improved thermal storage energy density and reaction kinetics compared to previous materials. Concentrating solar power thermochemical systems and methods capable of storing heat energy by using these thermochemical storage materials are also disclosed.

Solar thermal power generation equipment is equipped with a wind turbine, a compressor, a heat receiver that receives sunlight to heat a compressed medium from the compressor, a turbine driven by the compressed medium heated with the heat receiver, a power generator that performs power generation by driving of the turbine, a transmission mechanism that transmits the rotation of the wind turbine to the power generator, and a tower which supports these components. The wind turbine, the compressor, the turbine, and the power generator each constitute an array apparatus. The plurality of array apparatuses are arranged in a vertical direction.

A turbine for solar thermal power generation and a Brayton cycle are disclosed. The turbine includes a blade which has a cooling working medium inlet and a cooling working medium jet orifice. The blade is provided as a cavity with hollow interior; the cooling working medium inlet is located inside the blade; the cooling working medium jet orifice is provided on the blade surface on which is provided a spectral conversion coating; the spectral conversion coating converts heat on the blade surface into conversion characteristic band radiation which is radiation energy adjacent to cooling working medium characteristic band radiation of a cooling working medium. The turbine adopts a characteristic spectral coating and a jet cooling to enhance the cooling effect for a turbine blade and to improve the system efficiency of the Brayton cycle.

Provided is a solar thermal power generation facility that includes: a compressor; a medium heating heat receiver that receives sunlight and heats a compressed medium from the compressor; a turbine that is driven by the compressed medium heated by the medium heating heat receiver; a power generator that generates electric power by driving of the turbine; and a tower that supports these components. The compressor, the turbine, and the power generator are formed as arranged devices. A plurality of the arranged devices are aligned in a vertical direction.

The production of NH.sub.3, Urea, UAN, and DAP, starting from inherently intermittent renewable energy, such as photovoltaic and wind power, is made economical by use of molten salt thermal energy storage (ESS) and water electrolyzer (WE) concentrated oxygen. The process inputs and equipment apply air; hydrogen-containing fuel, such as biomass; WE (concentrated O.sub.2 and H.sub.2 producing); thermal ESS equipped with a turbine and generator to steady the electricity input to the WE; and an ammonia plant. The thermal ESS enables minimally sized process equipment including, the WE, the air separation unit and less hydrogen storage. The concentrated oxygen from the water electrolyzer uniquely enables high-temperature thermal ESS input, water and CO.sub.2 collection and other fertilizer products, including Urea, UAN and DAP. DAP production is facilitated by using WE high-purity O.sub.2 oxidation and ammonium nitrate is similarly facilitated by anhydrous NH.sub.3 oxidation.

A device for storage and exchange of thermal energy of solar origin, which device is configured to receive a concentrated solar radiation using an optical system of beam down type, which device comprises: a containment casing which defines an internal compartment and has an upper opening configured to allow entry of the concentrated solar radiation, which opening puts in direct communication the internal compartment with the external environment having no closure or screen means; a bed of fluidizable solid particles, received within the internal compartment, which bed has an irradiated operative region directly exposed, in use, to the concentrated solar radiation that enters through said opening and a heat accumulation region adjacent to said operative region; fluidization elements of the bed of particles, configured to feed fluidization air within the compartment, which fluidization means is configured to determine different fluid-dynamic regimens in the operative region and in the accumulation region, based upon different fluidization speeds, wherein, in use, the particles of the operative region absorb thermal energy from the solar radiation and they give it to the particles of the accumulation region.

The present invention relates to the utilization of solar energy for generation of electricity and/or production of clean fuels or other chemicals, as a means for long term, transportable storage of inherently intermittent solar energy.

Thermochemical storage materials having the general formula A.sub.xA.sub.1-xB.sub.yB.sub.1-yO.sub.3-, where A=La, Sr, K, Ca, Ba, Y and B=Mn, Fe, Co, Ti, Ni, Cu, Zr, Al, Y, Cr, V, Nb, Mo, are disclosed. These materials have improved thermal storage energy density and reaction kinetics compared to previous materials. Concentrating solar power thermochemical systems and methods capable of storing heat energy by using these thermochemical storage materials are also disclosed.