A radiative cooling device, and a method of manufacturing the same, includes a reflective layer disposed on a substrate and responsible for reflecting sunlight having wavelengths corresponding to ultraviolet, visible, and near-infrared regions; and a radiative cooling layer disposed on the reflective layer and responsible for absorbing sunlight having a wavelength corresponding to a mid-infrared region and emitting the sunlight as heat, wherein the radiative cooling layer includes a first radiation layer including an uneven pattern; and a second radiation layer disposed on the first radiation layer and having a refractive index different from that of the first radiation layer.

The present invention provides a hybrid, concentrating photovoltaic-solar thermal (CPV/T) system and components thereof, and methods for converting solar energy to electricity at high efficiencies while capturing and storing solar thermal energy for later deployment.

In one aspect the invention provides a heat transfer apparatus which includes a transmitter object which defines an external collection surface and an internal transmission surface. Also provided is a receiver object displaced from the transmitter object, the receiver object defining an internal receiving surface and an external heat delivery surface. A thermal conduit is provided which incorporates at least one side wall connected between the transmitter object and receiver object, this at least one side wall spanning the distance between the transmitter object and receiver object and enclosing a volume between the transmitter and receiver objects. This side wall or walls enclose the internal transmission surface of the transmitter object and the internal receiving surface of the receiver object. The transmitter object, receiver object and thermal conduit are configured to promote heat transfer predominantly towards the receiver object.

A solar thermal cladding structure includes a frame, a membrane extending along the frame, the membrane having a first layer and a second layer, and an inflation blower connected to the membrane and in fluid communication with a space between the first layer and the second layer of the membrane. The frame includes a plurality of connectors and a plurality of beam struts. The plurality of connectors connect the plurality of beam struts together.

The present invention discloses a radiative cooling device and a method of manufacturing the same. Specifically, the radiative cooling device according to an embodiment of the present invention includes a reflective layer formed on a substrate and responsible for reflecting sunlight having wavelengths corresponding to ultraviolet, visible, and near-infrared regions; and a radiative cooling layer formed on the reflective layer and responsible for absorbing sunlight having a wavelength corresponding to a mid-infrared region and emitting the sunlight as heat, wherein the radiative cooling layer includes a first radiation layer including an uneven pattern; and a second radiation layer formed on the first radiation layer and having a refractive index different from that of the first radiation layer.

A system for producing electricity from solar energy is provided. The system includes a window pan for installing on building such that solar radiation impinges thereon, a heat receiving element coupled to the window pan and being configured to receive heat from the solar radiation. The system further includes a gas line thermally coupled to the heat receiving element with a heat transferring member the gas line having a liquid gas being configured to evaporate by the heat generated by the heat receiving element and to increase thereby pressure in the gas line. The system further includes a turbine having a rotor configured to convert rotating motion to electricity, the turbine being configured to receive evaporated gas from the gas line and the evaporated gas is configured to rotate the motor.

The present invention provides a hybrid, concentrating photovoltaic-solar thermal (CPV/T) system and components thereof, and methods for converting solar energy to electricity at high efficiencies while capturing and storing solar thermal energy for later deployment.

A solar thermal cladding structure includes a frame, a membrane extending along the frame, the membrane having a first layer and a second layer, and an inflation blower connected to the membrane and in fluid communication with a space between the first layer and the second layer of the membrane. The frame includes a plurality of connectors and a plurality of beam struts. The plurality of connectors connect the plurality of beam struts together.

Apparatus operable using concentrated solar radiation, the apparatus comprising a body having a cavity adapted to receive concentrated solar radiation, a heat energy absorber associated with the cavity to receive heat from concentrated solar radiation within the cavity, a chamber containing a body of matter, the chamber being in heat exchange relation with the heat energy absorber to receive heat therefrom for heating the body of matter, and an inlet means for introducing fluid into the chamber for contacting the contained body of matter. Also, a reactor system for contacting a reactant liquid with two gaseous reactants, the reactor system comprising two reactors interconnected for circulation of a reactant liquid therebetween, whereby the circulating reactant liquid is enabled to react with a gaseous reactant introduced into one reactor and to also react with a gaseous reactant introduced into the other reactor.

A solar receiver includes: water jacket panels each having a light-receiving side and a back side with a watertight sealed plenum defined in-between; light apertures passing through the watertight sealed plenums to receive light from the light-receiving sides of the water jacket panels; a heat transfer medium gap defined between the back sides of the water jacket panels and a cylindrical back plate; and light channeling tubes optically coupled with the light apertures and extending into the heat transfer medium gap. In some embodiments ends of the light apertures at the light receiving side of the water jacket panel are welded together to define at least a portion of the light-receiving side. A cylindrical solar receiver may be constructed using a plurality of such water jacket panels arranged with their light-receiving sides facing outward.