Abstract: A semiconductor device capable of improving operation performance and reliability, may include a gate insulating support to isolate gate electrodes that are adjacent in a length direction.

Abstract: A device for secure and automated enrollment-certificate bootstrapping on keys and certificates for a vehicle to everything (V2X) environment of a V2X end entity in a security credential management system (SCMS) for V2X communication, the device comprising: a processor; and a memory configured to store at least one instruction to be performed by the processor, the at least one instruction is configured to instruct the processor to perform steps of: by a secure bootstrapping service (SBS) agent, checking, for an SSB server, configuration information; by the SBS agent, making a request for bootstrapping data to the SBS server; and by the SBS agent, installing the bootstrapping data in the SBS server.

Abstract: A battery module includes a plurality of battery cells arranged in at least one direction and spaced apart from one another by a certain interval, a cell frame including a receiving space in which the plurality of battery cells are accommodated, and a foam member filled in at least one of between the cell frame and the plurality of battery cells and between the plurality of battery cells.

Abstract: Disclosed herein is a battery cell with improved durability and safety for the swelling phenomenon. The battery cell can include an electrode assembly having an electrode tab, an electrode lead electrically connected to the electrode tab, a pouch case configured to accommodate the electrode assembly therein and having at least one perforation hole formed in a portion thereof, and a lead film configured to have a portion interposed between the electrode lead and an inner surface of the pouch case and having at least one insert protrusion formed on an outer surface thereof to be inserted into the perforation hole.

Abstract: A venting device for a secondary battery, such as a pouch-shaped secondary battery includes a lower vent portion positionable within a receiving portion of a battery case, an upper vent portion positionable outside of the battery case and communicating with a cavity of the lower vent portion, and a wing portion positionable along a sealed portion of the battery case and encircling an outer perimeter of the upper vent portion. The venting device includes a discharge portion communicating with the upper vent portion, in order to allow gas to pass from the upper vent portion through the discharge portion, and a shaft unit located in the cavity of the lower vent portion, wherein the shaft unit includes an elastic portion.

Abstract: A method of manufacturing a hydrogen generating apparatus, the method including: forming an absorbent layer, the absorbent layer configured to absorb an aqueous solution; depositing a metal membrane over either side of the absorbent layer such that the absorbent layer is interposed between the metal membranes; and forming a support layer over one side of one of the metal membranes, the support layer configured to transport hydrogen generated by a reaction between the aqueous solution and the metal membrane.

Abstract: A fuel cell is disclosed. The fuel cell can include a membrane electrode assembly (MEA), converting a chemical energy to an electrical energy; a first end plate, stacked on one surface of the MEA and formed with a first coupling hole; a second end plate, stacked on the other surface of the MEA; and a protrusion, formed on the second end plate such that the protrusion penetrates the first coupling hole and an end part of the protrusion protrudes a surface of the first end plate, and the end part being transformed such that the end part couples the first end plate and the second end plate. With the present invention, the fuel cell can reduce contact resistance between elements and its overall size and prevent a leak of fuel. In the manufacturing process, the end plates and the MEA can be arranged, improving reproducibility and repetition for mass production.

Abstract: A hydrogen generating apparatus can include an absorbent layer that absorbs an aqueous solution, a metal membrane deposited on either side of the absorbent layer such that the absorbent layer is interposed between the metal membranes, and a support layer formed on one side of one of the metal membranes that transports hydrogen generated by a reaction between the aqueous solution and the metal membrane. A batch type reaction may thus be implemented between the aqueous solution and the metal membranes, so that the reaction can be controlled to provide an even rate of hydrogen generation. Possible disturbances to the reaction resulting from by-products can be prevented, and since there is no additional equipment required, the volume and weight of the fuel cell power generation system can be reduced, and the extra power consumption by the additional equipment can be avoided.

Abstract: An apparatus and method for DC offset calibration in a system are provided. The method of a DC offset calibrator for calibrating a DC offset on a system transmission path includes variably setting offset values to be applied to transmit signals of a system, transmitting the variably set offset values to the system, measuring a DC component output value at an antenna end of the system for the transmit signals to which the variably set offset values are applied, and, when the measured DC component output value has a value allowable in the system, determining the variably set offset values as final offset values to be applied to the system.

Abstract: According to a device and system for measuring the properties of cells, there is an advantage in that, since a cell accommodation unit having a volume is provided, the properties of three-dimensional cells can be measured. Further, the present invention is advantageous in that it enables passive measurement of multiple properties which passively measures the electrical, mechanical and/or optical properties of cells, and active measurement of multiple properties which actively applies electrical, mechanical and optical types of stimulation to cells and measures their electrical, mechanical and/or optical reactions, thus measuring the multiple properties of cells with high reliability.

Abstract: Disclosed herein is a droplet receiver. The droplet receiver includes an internal space formed such that its sectional area is reduced towards an input part, thus preventing the rebounding of droplets which enter a droplet receiving part, and includes an intercepting fluid layer so as to isolate the received droplets from the outside, thus preventing droplets received in the droplet receiving part from being contaminated and volatilizing.

Abstract: A fuel cell and a method of manufacturing the fuel cell are disclosed. A method of manufacturing a fuel cell by electrically connecting a first cell and a second cell that are coupled over both sides of a membrane with a predetermined gap between the first cell and the second cell, where the first cell and the second cell each has an anode on one side and a cathode on the other side, may include perforating a hole in the membrane between the first cell and the second cell, and electrically connecting the anode of the first cell with the cathode of the second cell through the hole using a conductive member. This method does not entail unnecessary increases in volume or complicated flow paths, and the method can reduce electrical resistance while simplifying the peripheral equipment.

Abstract: The electronic paper display device may include a first electrode; a dielectric layer that is disposed on the first electrode and has a plurality of cells defined by a barrier; a second electrode that faces the dielectric layer; and electronic balls that are disposed in the inside of the respective cells to display an image according to the electric fields applied to the first and second electrodes wherein a side of the barrier is formed in a recessed round shape.

Abstract: Disclosed herein are a color electronic paper display device and a method for manufacturing the same. The color electronic paper display device according to the present invention includes: a barrier rib structure including a plurality of cavities partitioned so that rotating balls are separately inserted thereinto; an electrode structure including an upper electrode and a lower electrode each formed over and under the barrier rib structure and applying voltage to the rotating balls; and a black coating layer formed on the surfaces of the barrier ribs of the barrier rib structure.

Abstract: The present invention relates to a thermoelectric module. The thermoelectric module includes a first substrate and a second substrate opposed to each other and arranged to be separated from each other, a first electrode and a second electrode arranged in the inside surfaces of the first and the second substrates, respectively, a thermoelectric device inserted between the first and the second electrodes and electrically connected to the first and the second electrodes; and an elastic member filled between the first and the second substrates.

Abstract: The present invention provides a method for manufacturing a thermoelectric module and a thermoelectric module manufactured from the same. The method includes the steps of: forming each of first and second green laminates; forming first and second preliminary electrodes by printing a conductive paste on each of the first and second green laminates; disposing thermoelectric elements on any one of the first and second preliminary electrodes; stacking the first and second green laminates in such a manner that the thermoelectric elements are interposed between the first and second preliminary electrodes; and firing the stacked first and second green sheet laminates, thereby forming the first and second electrodes, and first and second ceramic substrates, and simultaneously bonding the first ceramic substrate to the first electrode, the first and second electrodes to the thermoelectric elements, and the second ceramic substrate to the second electrode.

Abstract: Disclosed herein are a cooling and heating water system using a thermoelectric module and a method of manufacturing the same. The cooling and heating water system using a thermoelectric module includes first and second substrates disposed to be spaced apart from each other, while facing each other; a cooling water line formed in the first substrate so as to flow cooling water therethrough; a heating water line formed in the second substrate so as to flow heating water therethrough; first and second insulating layers disposed on the inner side surfaces of the first and second substrates, respectively; and a thermoelectric device interposed between the first and second insulating layers, whereby it is possible to variously control a temperature of drinking water without generating noise by using the thermoelectric module in cooling the drinking water.

Abstract: The present invention provides a multi-layered thermoelectric device and a method of manufacturing the same. The method for manufacturing a multi-layered thermoelectric device includes the steps of: forming a P-type semiconductor and an N-type semiconductor in a sheet type by mixing thermoelectric semiconductor materials at a preset component ratio; cutting the sheets according to a preset specification of the thermoelectric device; stacking sheets which are made by mixing the thermoelectric semiconductor materials at a preset component ratio and are cut into the same size for each of them; and forming a final thermoelectric device by compressing the stacked sheets. By using the method, scattering phenomenon due to a short wavelength of phonon occurs at a boundary of each layer, which results in active scattering of phonon. Therefore, it is possible to expect an effect of improving a thermoelectric figure of merit of a thermoelectric device.

Abstract: A high capacity micro fuel cell system for supplying power to a portable device. A fuel supply includes a fuel inlet formed at one side of a substrate and a gas outlet formed at the other side of the substrate. A pair of cell units are disposed at opposed sides of the substrate of the fuel supply, and each of the cell units includes catalyst layers and an electrolyte layer between the catalyst layers to generate current with fuel. Outer substrates are disposed at outer sides of the cell units, each of the substrates having through holes formed therein to define at least one oxygen supply for supplying oxygen to the electrolyte layers of the cell units. A holder integrally assembles the fuel supply, the cell units and the oxygen supply. The fuel cell system supplies high-capacity power to power supplies of portable electronic devices and can be mass-produced at low costs.

Abstract: A fuel cell having a hydrogen storage tank, the fuel cell including: a hydrogen generator generating hydrogen by a chemical reaction between an alkaline solution with an alkaline catalyst for hydrogen generation, dissolved in water, and a metallic powder for hydrogen generation; hydrogen storage having a hydrogen occlusion metal to which the hydrogen generated from the hydrogen generator is occluded, to store hydrogen; and power generator receiving hydrogen released from the hydrogen occlusion metal by heat provided to the hydrogen occlusion metal and generating electricity. The hydrogen generator, hydrogen storage tank, and power generator are stacked on one another and are integrally assembled by a plurality of clips, each of which has lower and upper ends fastened to a lower groove formed on a lower surface of the hydrogen generator and to an upper groove formed on an upper surface of the power generator, respectively, exerting strength for integral fixing.