Abstract: The present invention provides a solid oxide fuel cell including a fuel electrode support including Ni-YSZ; a functional layer positioned on the fuel electrode support; an electrolyte layer positioned on the functional layer; an interlayer positioned on the electrolyte layer; and an air electrode layer positioned on the interlayer, wherein the functional layer includes gadolinium-doped ceria (GDC) nanoparticles dispersed.

Abstract: A vehicle for performing an autonomous parking function, the vehicle including: at least one camera configured to acquire a surrounding image of a vehicle; a display; a storage configured to store a HD map of a parking lot including an autonomous parking preparation zone; and at least one process configured to, based on the surrounding image of the vehicle being processed, generate a surround view image, based on an upper end of a road mark defining the autonomous parking preparation zone being recognized in the surround view image, track a position of the upper end of the road mark, upon the vehicle being stopped while a part of the road mark is recognized, correct a starting point on the HD map of the parking lot based on the position of the upper end of the road mark, and upon a user input for performing an autonomous parking function being received, perform the autonomous parking function based on the correct starting point.

Abstract: The present invention includes: a porous structure containing an oxygen ion conductive material; and a coating layer disposed on the porous structure and containing an electronically conductive material, in which a content of the oxygen ion conductive material is greater than that of the electronically conductive material, and the coating layer is uniformly formed to a thickness of 20 nm or less.

Abstract: Provided is an Fe-based soft magnetic alloy. An Fe-based soft magnetic alloy is represented by the empirical formula XaBbSicCudMe, wherein: X includes Fe and at least one element among Ni and Co; M includes at least one element among Nb and Mo; a, b, c, d, and e indicate the atomic percents (at %) of corresponding elements, in which 15.0?b+c?19.0, 0.5?d?1.5, and 2.0?e?5.0; and X is included as the remainder. Accordingly, the Fe-based soft magnetic alloy has high saturation magnetic flux density and low magnetic loss characteristics, and thus can be very easily used in various parts using magnetic materials. In addition, since the effect of heat treatment conditions can be minimized during the realization of uniform and small crystal grains after heat treatment, process conditions can be easily designed, so that the Fe-based soft magnetic alloy is very suitable for mass production.

Abstract: A silicon-etchant composition according to an embodiment may include quaternary alkyl ammonium hydroxide, an amine-based compound, and two or more types of nonionic surfactants represented by Chemical Formula 1 and having different lengths of a hydrophilic group. Accordingly, the silicon-etchant composition having improved etch rate and etching selectivity is provided.

Abstract: A nanocatalyst for methane dry reforming has a fluorite structure and has a plurality of transition metal or noble metal particles dispersed on a surface thereof. The nanocatalyst is represented by the Chemical Formula, A1-aCeaO2-?. In the Chemical Formula, A is selected from rare earth elements excluding Ce, and a and ? are real numbers of 0<a<1 and 0???1, respectively.

Abstract: In an embodiment of the present invention, a proton conductive oxide fuel cell comprising an electrode substrate, a proton conductive oxide electrolyte layer positioned on the electrode substrate, a proton conductive oxide reaction prevention layer positioned on the electrolyte layer, and a proton conductive oxide air electrode layer positioned on the reaction prevention layer, wherein the reaction prevention layer is composed of ABO3-? structured perovskite proton conductive oxide, may be provided.

Abstract: An image sensor includes a first chip and a second chip. The first chip includes a first substrate including photoelectric conversion parts and a back-side insulating layer covering a first surface of the first substrate. The second chip, which is disposed adjacent the first chip, includes circuits configured to drive the first chip. The back-side insulating layer may include a fixed-charge layer, a refractive index adjusting layer, and a capping layer, which are sequentially disposed on the first surface of the first substrate. The refractive index adjusting layer may include a first element, a second element, and oxygen. A conduction band minimum of an oxide of the second element may be higher than a conduction band minimum of an oxide of the first element.

Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.

Abstract: The present disclosure relates to a switching antenna for UWB communication for a vehicle. The switching antenna may include a substrate part, a radiation part formed in the substrate part and configured to radiate an omnidirectional pattern signal, a main ground part formed in the substrate part and disposed below the radiation part, side ground parts formed on the substrate part and disposed on both sides of the radiation part, and a selection signal part formed in the substrate part and configured to induce a radiation pattern of the radiation part to become either directional or omnidirectional by selectively connecting the main ground part and the side ground part.

Abstract: The present disclosure relates to a switching antenna for automotive Ultra-Wide-Band (UWB) communication. The switching antenna includes a substrate section, a radiating section having a plurality of radiators formed on the substrate section so as to be spaced apart from each other to provide a pattern signal, and a selective signaling section formed on the substrate section to selectively connect the radiating section to cause a radiation pattern of the radiating section to be one of directional and omnidirectional.

Abstract: Proposed is a switching antenna for vehicular UWB communication, the switching antenna including a substrate, a directional radiation unit formed on the substrate and configured to provide a directional radiation signal, a non-directional radiation unit formed on the substrate and configured to provide a non-directional radiation signal, and a signal providing unit formed on the substrate and configured to provide an on or off signal to either the directional radiation unit or the non-directional radiation unit.

Abstract: Disclosed is a method of preparing sodium-catalyzed iron-aluminum inorganic catalyst for catalyzing a hydrogenation reaction of carbon dioxide. The method of preparing sodium-catalyzed iron-aluminum inorganic catalyst includes: a first step of mixing a precipitant solution formed by dissolving a basic precipitant with a reaction solution formed by dissolving an iron (Fe) precursor material and an aluminum (Al) precursor material, thereby forming a suspension solution; a second step of aging the suspension solution; a third step of separating powder from the aged suspension solution; a fourth step of drying the separated powder and then performing a first heat treatment, thereby forming first catalyst powder; and a fifth step of adding and stirring the first catalyst powder and a sodium precursor material to water and evaporating the water and then performing a second heat treatment, thereby preparing a sodium-introduced iron-aluminum inorganic catalyst.

Abstract: Disclosed are a method and an apparatus for managing a user profile. A user profile management method performed by a server according to an example embodiment includes creating a plurality of profiles corresponding to a user account, receiving a view request for a profile of the other user account in a predetermined relationship with the user account from a user terminal logged in with the user account, providing a UI of a profile of the other user account including an interfacing object regarding the profile of the user account to the user account, receiving an input for selecting a profile to be displayed on the other user terminal logged in the other user account, among a plurality of profiles corresponding to the user account through the interfacing object, and matching the other user account with the selected profile.

Abstract: Disclosed are a cathode for an all-solid-state battery including a cathode thin film for an all-solid-state battery or a cathode composite membrane for an all-solid-state battery, and an all-solid-state battery including the same. The cathode for an all-solid-state battery contains a grain that has a plane having a low surface energy and has a grain boundary arranged parallel to the electron movement direction, thus effectively lowering the interfacial resistance of the thin film while suppressing the dissolution and diffusion of the transition metal, thereby improving the cycle stability of the all-solid-state battery including the same.

Abstract: Disclosed are a method and an apparatus for managing a user profile. A user profile management method performed by a server according to an example embodiment includes creating a plurality of profiles corresponding to a user account, receiving a view request for a profile of the other user account in a predetermined relationship with the user account from a user terminal logged in with the user account, providing a UI of a profile of the other user account including an interfacing object regarding the profile of the user account to the user account, receiving an input for selecting a profile to be displayed on the other user terminal logged in the other user account, among a plurality of profiles corresponding to the user account through the interfacing object, and matching the other user account with the selected profile.

Abstract: Disclosed is a ruthenium etchant composition containing periodic acid and ammonium ions and having a pH of 6 to 7.5. Further disclosed are a pattern formation method including a step of etching a ruthenium metal film using the etchant composition, a method of manufacturing a display device array substrate by employing the pattern formation method, and a display device array substrate manufactured by the method.

Abstract: A vehicle for performing an autonomous parking function, the vehicle including: at least one camera configured to acquire a surrounding image of a vehicle; a display; a storage configured to store a HD map of a parking lot including an autonomous parking preparation zone; and at least one process configured to, based on the surrounding image of the vehicle being processed, generate a surround view image, based on an upper end of a road mark defining the autonomous parking preparation zone being recognized in the surround view image, track a position of the upper end of the road mark, upon the vehicle being stopped while a part of the road mark is recognized, correct a starting point on the HD map of the parking lot based on the position of the upper end of the road mark, and upon a user input for performing an autonomous parking function being received, perform the autonomous parking function based on the correct starting point.

Abstract: An automatic parking system is provided. The automatic parking system includes a camera processor that acquires images around a subject vehicle, converts the acquired images into external images and synthesizes the external images. A sensor processor measured spaced distances between the subject vehicle and surrounding vehicles. A parking space recognizing unit periodically receives the spaced distances and the external images and comparing the consecutive external images with the spaced distances using an image recognition technology to recognize parking areas. A controller calculates a moving path between a current position of the subject vehicle and an optimal parking area and operates the subject vehicle based on the moving path.

Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.