Abstract: A solar cell system may include a first power converting device connected to an output of a first solar cell; a second power converting device which an input connected to an output of a second solar cell connected to the first solar cell in parallel and an output connected to a circuit between the output of the first solar cell and the input of the first power converting device; a bypass circuit at the output of the second solar cell and connected to the circuit between the output of the first solar cell and the input of the first power converting device; a first circuit opening/closing device disposed in a circuit between the second solar cell and the first power converting device; a second circuit opening/closing device in the bypass circuit; and a path control device controlling opening or closing of the first and second circuit opening/closing devices, and a control method thereof.

Abstract: Disclosed herein is a cooking apparatus including a heating unit configured to heat an ingredient contained in a cooking chamber, a gas sensor configured to detect a gas inside the cooking chamber, a communication unit configured to communicate with an external apparatus, and a control unit configured to determine a cooking progress state of the ingredient based on the type and concentration of the gas detected by the gas sensor and to transmit information on the cooking progress state to the external apparatus through the communication unit to inform a user of the cooking progress state.

Abstract: A method for preparing a perovskite solar cell by a non-deposition method is provided. Particularly, the method includes preparing a first substrate by forming a hole transport layer on a light absorbing layer in a semi-dried state and pressurizing and drying a second substrate including an opposing electrode to the first substrate.

Abstract: A system for using a solar cell includes a solar cell module configured to convert sunlight into electric energy, an engine operating circuit configured to convert mechanical energy generated by an engine operation of a vehicle into electric energy and provide the electric energy, a solar cell circuit configured to provide the electric energy generated through the solar cell module, a battery configured to be charged by electric energy provided by the solar cell circuit or the engine operating circuit, a load, and a controller of a vehicle. The controller is configured to control a connection of the circuits to the battery or to the load depending on a measured state of charge of the battery, driving of the vehicle, and acceleration of the vehicle. A method for using a solar cell is also disclosed.

Abstract: Disclosed are a robot cleaner, a refrigerator, a container transfer system, and a method of transferring and retrieving a container using the robot cleaner. The method of transferring a container include returning a robot cleaner to a position guide device installed at a refrigerator, mounting the robot cleaner on the position guide device, transferring, by the refrigerator, a container built in the refrigerator to mount the container on the robot cleaner, and moving the robot cleaner on which the container is mounted to a target position.

Abstract: A wiring structure for a solar cell roof may include a moving glass slidably provided on a mechanism rail mounted on each of side frames that are disposed on both sides of a ceiling opening of a vehicle, and a fixed glass fixedly provided, a connection wire connected at a first end thereof to a solar cell included in the moving glass and connected at a second end thereof to a solar cell included in the fixed glass to allow electric current to flow therethrough, and a guide device provided on the side frame adjacent to the mechanism rail to be disposed in a longitudinal direction of the vehicle, and having a space to accommodate the connection wire therein, in which, when the moving glass is opened, the guide device accommodating the connection wire is restrained in movement in a transverse direction of the vehicle but is rotated only upwards.

Abstract: A solar cell system integrated with window glass and a blind is provided. The solar cell system includes high-power solar cell system that has two types of solar cells that are configured to absorb light with different wavelength bands from each other and are coupled to a window glass and a blind, respectively. The solar cell system includes a first solar cell that is coupled to a window glass and a second solar cell that is coupled to a blind and configured to absorb light different in wavelength band from light absorbed by the first solar cell. The band gap energy of the first solar cell is greater than the band gap energy of the second solar cell to maximize generation of electrical energy. Additionally, the second solar cell is coupled to the blind installed to open and close to increase power without degrading transmittance of the window glass.

Abstract: A hole transporting material having excellent heat resistance and durability, a perovskite solar cell including the hole transporting material in a hole transporting layer, and a method for manufacturing the solar cell are provided. Provided is a perovskite solar cell having PCE which is equal to or greater than PCE in the related art because the hole transporting layer is formed by using the hole transporting material in which the phthalocyanine-based organic ligand is coordinate-bonded to metal. Also, provided is a perovskite solar cell which can maintain initial PCE for a long time in a wide temperature range when the hole transporting material is used as the hole transporting layer due to excellent heat resistance and durability.

Abstract: A thermoelectric module may include a plurality of P-type thermoelectric elements formed of an organic material, a plurality of N-type thermoelectric elements disposed to be parallel between the plurality of P-type thermoelectric elements and formed of a metal, a first electrode part configured to connect an upper end of each of the plurality of N-type thermoelectric elements and an upper end of each of the plurality of P-type thermoelectric elements, and a second electrode part configured to connect a lower end of each of the N-type thermoelectric elements and a lower end of each of the plurality of P-type thermoelectric elements, wherein the first electrode part, the second electrode part, and the plurality of N-type thermoelectric elements are formed of a metal.

Abstract: A flexible thermoelectric element and a method for manufacturing the same is provided. The thermoelectric element is disposed between a high temperature portion and a low temperature portion and includes a plurality of p-type materials and n-type materials formed at a predetermined interval and is folded at sections of the p-type materials and sections of the n-type materials to form folding components. An insulating filler is coated between the p-type materials and the n-type materials that are folded. A module is formed by folding the flexible thermoelectric element, and separate cutting and alignment of the thermoelectric element are omitted at portions that contact with the high and low temperature portions.

Abstract: A solar cell in a stack structure having no step may include a solar cell, and an electrode formed on one surface of the solar cell, in which the solar cell is/are stacked on a center portion of a substrate with the electrode interposed therebetween, and the electrode is/are in contact with an electrode line coated on an edge portion of the substrate.

Abstract: Disclosed is a dye-sensitized solar cell module and a method of manufacturing the same. More specifically a counter electrode has connection parts formed within the side surfaces of the transparent conductive substrates. Edges of the working electrode and the counter electrode are bonded with each other by a sealant along the outer peripheral except for at one or more portions of the edges to form an electrolyte injection port. An electrolyte is then injected through the electrolyte injection hole into a space between the working electrode and the counter electrode. The electrolyte injection hole is then sealed by a sealant.

Abstract: The present invention provides a display improved in an exterior appearance by a front cover, and a manufacturing method thereof, wherein the front cover covers a display panel and includes a translucent layer which transmits colored light, and a transparent layer to receive and transmit the colored light, wherein the translucent layer and the transparent layer are integrally formed. The front cover may be capable of implementing a natural tone variation thereon.

Abstract: Disclosed is a nonvolatile electrolyte and a method for manufacturing a dye sensitized solar cell using the nonvolatile electrolyte. In particular, the electrolyte may maintain stability during a durability test of a solar cell module. Moreover, sealing breakage of a module occurring in the related arts may be prevented, and ion mobility may be improved thereby improving efficiency.

Abstract: An electric interconnection system in a vehicle includes a fixed part of the vehicle and a movable part of the vehicle. The movable part has a solar cell module mounted thereon and includes at least one component that maintains contact with the fixed part when the moving part moves. One or more first electric wires extend from the solar cell module of the movable part. Each of the one or more first electric wires has an end that is fixed to one of the at least one component of the movable part. One or more second electric wires are installed on the fixed part. The one or more second electric wires maintain contact with the ends of the first electric wires when the movable part moves.

Abstract: An electric power transmission apparatus of a sunroof for a vehicle may include a moving glass mounted with an electric generator, and configured to slide between an opened position and a closed position, an upper electric conduction device coupled at a lower side of the moving glass, and including a moving spring that is electrically connected with the electric generator and coupled to protrude downward, a front electric conduction device including a front support portion that is a nonconductor, and a close spring that comes into contact with the moving spring when the moving glass moves to the closed position, and a rear electric conduction device including a rear support portion that is a nonconductor, and an open spring that comes into contact with the moving spring when the moving glass moves to the opened position.

Abstract: Disclosed are a dye-sensitized solar cell module and a method of manufacturing the same. The dye-sensitized solar cell module includes a working electrode formed by stacking a collector and a photo-electrode to which a dye is adsorbed on a transparent conductive substrate; a counter electrode formed by stacking a collector and a catalytic electrode on a transparent conductive substrate; and an electrolyte filled in a space between the working electrode and the counter electrode sealed by a sealant. A glass substrate for the working electrode of glass substrates forming the transparent conductive substrates for the electrodes is a thin glass plate substrate thinner than the glass substrate for the working electrode.

Abstract: A collector electrode protection layer for dye-sensitized solar cells includes an electrode layer formed on a transparent electrode substrate and having a plurality of metal electrodes which are spaced apart from each other; and a first barrier layer formed on an entire surface of the transparent electrode substrate on which the electrode layer is formed. The first barrier layer is a reduced graphene oxide.

Abstract: An integrated flexible thermoelectric device includes p-type carbon nanoparticle regions and n-type carbon nanoparticle regions which are alternately and continuously connected to each other. In particular, the p-type carbon nanoparticle regions and the n-type carbon nanoparticle regions are formed on the one carbon nanoparticle paper.

Abstract: An electric power transmission apparatus of a sunroof for a vehicle may include a moving glass mounted with an electric generator, and configured to slide between an opened position and a closed position, an upper electric conduction device coupled at a lower side of the moving glass, and including a moving spring that is electrically connected with the electric generator and coupled to protrude downward, a front electric conduction device including a front support portion that is a nonconductor, and a close spring that comes into contact with the moving spring when the moving glass moves to the closed position, and a rear electric conduction device including a rear support portion that is a nonconductor, and an open spring that comes into contact with the moving spring when the moving glass moves to the opened position.