Abstract: Embodiments relate to a device and method for designing a catalyst satisfying a high entropy criterion using artificial intelligence. A device according to one embodiment comprises: a dispenser; a measuring instrument; and a control unit that designs experimental conditions and an initial composition for a catalyst, synthesizes multiple catalysts based on the experimental conditions and the initial composition through the dispenser, evaluates multiple overpotentials corresponding to the catalysts to generate a composition-overpotential dataset, derives a final catalyst using the composition-overpotential dataset through a pre-designated artificial intelligence model, and analyzes the physical properties of the final catalyst through the measuring instrument.

Abstract: One aspect of the present disclosure provides a method for automatically removing a background sound source of audio data of a video, including separating the audio data including at least one sound source component into a first component related to a human voice and a second component related to sounds other than the human voice using a first separation model, separating the first component into a vocal component and a speech component using a second separation model, separating the second component into a music component and a noise component using a third separation model, and generating an audio data with the background sound source for the audio data of the video removed by synthesizing the speech component and the noise component.

Abstract: A method for manufacturing a semiconductor device, comprising forming first to fourth patterns on a substrate; forming a field insulating layer on a sidewall of each of the first to fourth patterns on the substrate; forming first to fourth plurality of nanosheets on the first to fourth patterns, respectively; and forming first and second gate electrodes extending in the second direction, the first gate electrodes intersecting the first and third patterns, the second gate electrodes intersecting the second and fourth patterns, the first gate electrodes surrounding the first and third plurality of nanosheets, the second gate electrodes surrounding the second and fourth plurality of nanosheets. A width of the first gate electrode of a portion overlapping the first plurality of nanosheets is smaller than a width of the first gate electrode in the first direction of a portion overlapping the third plurality of nanosheets.

Abstract: A heat dissipation apparatus according to the present invention comprises: a first-side heat-conducting panel provided as a metal panel member; a second-side heat-conducting panel provided as a metal panel member and forming, together with the first-side heat-conducting panel, a refrigerant flow space in which a refrigerant undergoes a phase change and flows; and a bonding medium frame body provided to mediate bonding of edge portions of the first-side heat-conducting panel and the second-side heat-conducting panel, and thus the present invention maximizes heat dissipation performance and greatly enhances product productivity.

Abstract: A composition for coating an anode current collector according to exemplary embodiments of the present disclosure includes a silver salt and a water-soluble binder. The anode current collector is manufactured by applying the composition onto its surface, followed by a controlled drying process. A lithium secondary battery comprises a cathode, and the anode current collector disposed opposite the cathode.

Abstract: The present disclosure aims at providing a gel polymer electrolyte which has a great effect of inhibiting leakage of an organic solvent by confining the organic solvent in a three-dimensional polymer network and has oxidation stability, flame retardancy, thermal stability, and excellent lithium ion conductivity. In order to achieve the above object, the present disclosure provides a gel polymer electrolyte including a cross-linked polymer having a thiol-ene structure, wherein the thiol-ene structure is formed by a click reaction of a thiol group of a thiol compound containing at least four reactive thiol groups per molecule and an acrylic group of a fluorinated polyether diacrylate.

Abstract: Provided is a composition for forming a gel polymer electrolyte which includes a lithium salt; an organic solvent; and a crosslinking compound represented by Formula 1: wherein in Formula 1, L1, L2, L3, and L4 are each independently a direct bond or an alkylene group having 1 to 3 carbon atoms, L5 and L6 are each independently an alkylene group having 1 to 20 carbon atoms in which at least one methylene group may be substituted with an ether group and at least one hydrogen is substituted with fluorine, and R1 and R2 are each independently hydrogen, an alkyl group having 1 to 3 carbon atoms, or a halogen.

Abstract: A semiconductor device includes an active pattern having a lower pattern, and a plurality of sheet patterns spaced apart from the lower pattern in a first direction; first and second structures disposed on the lower pattern, wherein the first and second structures are arranged and spaced apart from each other in a second direction; a source/drain recess defined between first and second gate structures; and a source/drain pattern filling the source/drain recess, wherein the source/drain pattern includes a stacking fault spaced apart from the lower pattern.

Abstract: Provided is Co9S8-x/MnS abundant with ultrafine vacancy decorated in a S, N-doped hollow carbon nanotube derived through in-situ sulfurization and interface adjustment, which is cooperative as a double function oxygen electrocatalyst for a high performance zinc-air battery, and it is characterized by including a hollow inside; and a metal sulfide-containing porous structure.

Abstract: An image search device includes at least one processor and at least one memory storing instructions, where, by executing instructions stored on the at least one memory, the at least one processor is configured to: receive a plurality of images and a plurality of metadata from a plurality of camera devices through a communication interface; receive an object search command and a property search command inputted by a user; extract objects corresponding to the object search command based on the plurality of metadata, and extract properties of the extracted objects; generate a search interface including a property search menu which displays a list of the extracted properties for selection through the property search command; and display the generated search interface, where, based on the object search command being changed, the properties displayed in the property search menu are changed in the search interface according to the changed object search command.

Abstract: An embodiment relates to an electrode material for a hybrid sodium ion capacitor including a three-dimensional porous carbon composite doped with heterogeneous elements. A hybrid sodium ion capacitor including a porous carbon composite doped with heterogeneous elements as an electrode substance according to one embodiment can achieve a high energy density of 247 Wh/kg, which exceeds the general energy density of 150 Wh/kg of a conventional lithium ion battery, and further has an effect of exhibiting an energy density of 150 Wh/kg or more even when charged for only 1 minute.

Abstract: A method for fabricating a semiconductor device, comprising: forming, on a lower pattern, a pattern structure extending in a first direction, the pattern structure including alternately stacked active and sacrificial patterns; forming a pre-etching stop pattern on the pattern structure; forming, on the pattern structure, a dummy gate electrode extending in a second direction; while forming the dummy gate electrode, patterning the pre-etching stop pattern to form a gate etching stop pattern; forming, on the pattern structure, a source/drain pattern on at least one side of the dummy gate electrode; removing the dummy gate electrode to expose the gate etching stop pattern and the pattern structure; removing the sacrificial patterns of the exposed pattern structure to form sheet patterns; forming a gate structure including a gate electrode and a gate insulating film that surround the sheet patterns; and forming a gate capping pattern on the exposed gate etching stop pattern.

Abstract: The present disclosure relates to a composite for hydrogen storage formed through lithiation and a method of preparing the same.

Abstract: Disclosed are an end plate that maintains the flatness of a fuel cell stack formed by stacking a plurality of fuel cells so that a uniform surface pressure is maintained, a fastening bar, and the fuel cell stack including the same. The fuel cell stack includes a plurality of fuel cells, an end plate for the fuel cell stack is disposed on both side surfaces of the fuel cell stack to maintain the flatness of the fuel cell stack so that the uniform surface pressure is maintained, and a fastening bar is disposed outside the fuel cell stack has both ends coupled to the end plate for the fuel cell stack.

Abstract: A heat dissipation apparatus comprises: a first-side heat-conducting panel; a second-side heat-conducting panel bonded to the first-side heat-conducting panel and forming, with the first-side heat-conducting panel, a refrigerant flow space in which a refrigerant is filled and undergoes phase change; and a sintered body column assembly disposed on the refrigerant flow space, wherein the sintered body column assembly comprises: a plurality of condenser sintered body columns disposed at a portion corresponding to a condensation end that is involved in condensation of the refrigerant through heat exchange with outside air in the refrigerant flow space; and an evaporator sintered body base disposed at an evaporation end, which is a portion of the refrigerant flow space excluding the condensation end and is closer to heat-generating elements, and connected to at least one of the plurality of condenser sintered body columns, thereby maximizing heat dissipation performance and improving bonding force.

Abstract: A network surveillance camera system includes a plurality of cameras configured to photograph a plurality of surveillance areas to acquire video information for the respective surveillance areas and transmit the acquired video information of each surveillance area to each channel, and a video receiving/search device connected to the plurality of cameras via a network and configured to receive the video information from the cameras in real time and search for the transmitted multi-channel video information, wherein the video receiving/search device includes a video search viewer configured to generate a thumbnail image and a metadata tag corresponding to an event of each channel based on video analysis information for each of the channels, display the generated thumbnail image and metadata tag, and search for the transmitted multi-channel video information.

Abstract: A heat dissipation apparatus according to the present invention includes: a first-side heat-conducting panel provided as a metal panel member; and a second-side heat-conducting panel provided as a metal panel member, wherein the first-side heat-conducting panel and the second-side heat-conducting panel have bent edge portions that are surface-bonded to each other to define a refrigerant flow space in which a refrigerant flows while undergoing phase change, and wherein the bent edge portion of one of the first-side heat-conducting panel and the second-side heat-conducting panel is arranged such that at least a portion thereof overlaps in a thickness direction of the refrigerant flow space with the bent edge portion of the other so as to enable the mutual surface bonding, thereby providing the advantages of maximizing heat dissipation performance and preventing injury to workers during product manufacturing.

Abstract: A semiconductor device includes first to fourth active patterns extending in a horizontal first direction. The second active pattern is spaced apart from the first active pattern in the first direction. The third active pattern is spaced apart from the first active pattern in a horizontal second direction. The fourth active pattern is spaced apart from the third active pattern in the first direction. A field insulating layer surrounds a sidewall of each of the first to fourth active patterns. First to fourth pluralities of nanosheets are respectively disposed the first to fourth active patterns. A first gate electrode extends in the second direction, intersects each of the first and third active patterns, and surrounds the first and third pluralities of nanosheets. A second gate electrode extends in the second direction, intersects each of the second and fourth active patterns, and surrounds the second and fourth pluralities of nanosheets.

Abstract: The present disclosure provides an image inpainting method and an image inpainting device. The present disclosure in at least one embodiment provides a method of inpainting an image area obscured by an object included in an image, including selecting one or more frames among input frames of the image, wherein each of the one or more frames is selected as a target frame including an inpainting area obscured by the object or as a reference frame including information on the inpainting area, and performing at least one of inter inpainting or intra inpainting depending on a number of frames selected as the reference frame.

Abstract: A video processing system including: at least one camera configured to obtain video data; a display interface; and a video analyzer including a memory storing instructions, and a processor configured to execute the instructions to: receive a video data from at least one camera; identify a plurality of video frames in which events occur from the received video data; generate a plurality of thumbnail images respectively representing the plurality of video frames; display a timeline interface indicating respective times of the events via a plurality of markers; and provide the plurality of thumbnail images in a thumbnail area adjacent to the timeline interface respectively corresponding with the plurality of markers, where left ends of the plurality of markers indicate start times of the events, and left ends of the plurality of thumbnail images coincide with the left ends of the plurality of markers.