Abstract: A variable grille apparatus adjusts the flow rate of air flowing through a grille. Commercial value of a vehicle is improved by enhanced opening and closing motions when adjusting the flow rate of air. Further, since the grille is opened and closed in various ways such as by sequential or simultaneous opening and closing, the opening and closing motions of the grille are enhanced, the external design is diversified, and a flow rate of air is secured through structurally optimal arrangement.

Abstract: A catalyst for removing nitrogen oxides and a manufacturing method thereof are provided. The catalyst for removing nitrogen oxides according to embodiments of the present invention is manufactured by mixing and grinding a metal catalyst and a zeolite. The zeolite has a carbon layer formed on the surface of the zeolite. The manufacturing method of a catalyst for removing nitrogen oxides according to embodiments of the present invention comprises preparing a zeolite, forming a carbon layer on the surface of the zeolite, and mixing and grinding the zeolite having the carbon layer with a metal catalyst.

Abstract: An active air skirt apparatus controls an airflow flowing to a lower side of a mobility device according to a traveling state of the mobility device, thereby securing optimal aerodynamic performance. In addition, disclosed herein is an active air skirt apparatus, which stably moves a flap for controlling the airflow when a vehicle travels at high speed, thereby improving durability and reliability.

Abstract: A variable grille apparatus can adjust a flow rate of air flowing through a grille and upgrade an opening/closing operation when adjusting the flow rate of the air, thereby improving merchantability. In addition, by diversifying the opening/closing operation of the grille such as sequentially operating or simultaneously operating the opening/closing operation of the grille, it is possible to upgrade the opening/closing operation of the grille, diversify the exterior design, and secure the flow rate of air through the optimization of the structural arrangement.

Abstract: A variable grille apparatus controls a flow rate of air circulated through the grille. Commercial properties are improved through an advanced opening and closing operation during adjustment of the air flow rate. The opening and closing operation of the grille is diversified, such as by sequential or simultaneous operation, so that the sense of operation is enhanced, an exterior design is diversified, and the air flow is secured through an optimization of the structural arrangement.

Abstract: Disclosed is a dissimilar metal-supported catalyst for the production of aromatics by methane dehydroaromatization. In the dissimilar metal-supported catalyst, a noble metal such as gold (Au), silver (Ag), platinum (Pt), and/or rhodium (Rh) is introduced into a catalyst supported with iron (Fe) on a zeolite support to promote the dehydrogenation of methane and the formation of iron carbide (Fe3C) as an active species for dehydroaromatization, achieving a greatly improved yield of aromatics. Also disclosed is a method for producing aromatics using the dissimilar metal-supported catalyst.

Abstract: A portable battery device for a mobility apparatus and a battery management system and a method, which are capable of securing a desired range of the mobility apparatus by selectively adding an auxiliary battery in a situation in which a battery capacity should be additionally supplemented, are disclosed. The auxiliary battery is stored in the mobility apparatus or is supplied from an external supply source when the auxiliary battery is commercially available. Accordingly, electric power supply to the mobility apparatus becomes convenient. The auxiliary battery is simply replaceable through separation or mounting thereof from or in a case at an outside of the mobility apparatus. Accordingly, handling convenience of the auxiliary battery is enhanced. When collision of the mobility apparatus occurs, the auxiliary battery is separated due to impact and, as such, generation of fire caused by damage to the auxiliary battery is prevented and stability is secured.

Abstract: Provided is a modular bumper back beam which secures crash performance, is changeable depending on the design of a mobility device through commonization of parts so as to easily cope with design and data required by the mobility device, and has a simple structure so as to be simplified in terms of management and assembly. Thereby, the modular bumper back beam is assembled and manufactured using the minimum number of molds through commonization of parts of the bumper back beam, thereby being capable of reducing manufacturing costs.

Abstract: Provided is an active air skirt apparatus for a mobility configured to control an airflow beneath the mobility according to the driving situation of the mobility to ensure optimal aerodynamic performance in the mobility having a flat lower portion for loading a high-voltage battery. That is, improvement of airflow to the front wheel and rear wheel along with improvement of airflow beneath the mobility in each driving situation optimizes the aerodynamic performance of the mobility, thereby ensuring mileage and improving attitude stability of the mobility.

Abstract: Disclosed is an armrest for a seat, which is accommodated at a lateral side of a seat cushion at a standby position and adjusted in height with respect to the seat cushion at an operation position. The armrest includes: a base disposed adjacent to the seat cushion; a first module rotatably connected to the base and configured to rotate about a first rotation axis so that a height of the first module with respect to the seat cushion is adjusted; and a second module rotatably connected to the first module and configured to rotate about a second rotation axis traversing the first rotation axis so that the second module is disposed horizontally or vertically with respect to the seat cushion.

Abstract: A color-changing sheet according to an embodiment of the present invention may include a base layer having a brightness (L value) of less than 40 and a color layer positioned on at least one surface of the base layer, containing a color dye or a pigment, and having a transmittance of to 90%, wherein a thickness ratio of the base layer to the color layer is 0.1 to 10, and may realize color change without adding additional particles.

Abstract: A multilayer electronic component includes a body including dielectric layers and internal electrodes alternately disposed in a first direction, and external electrodes disposed on the body to be connected to the internal electrodes. At least one internal electrode of the internal electrodes includes a plurality of disconnected portions penetrating through a respective internal electrode. A disconnected portion of the plurality of disconnected portions includes at least one of a pore or a dielectric substance disposed to connect adjacent dielectric layers to each other. A dielectric filling ratio, defined as a ratio of an overall length of the dielectric substance to an overall length of the disconnected portion on a cross section in the third and first directions, is more than 20% to 80% or less.

Abstract: A multilayer electronic component includes: a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers; and external electrodes disposed on the body. One of the internal electrodes includes interfacial portions disposed at interfaces thereof with two of the dielectric layers, between which the one of the internal electrodes is disposed, and a central portion disposed between the interfacial portions, and one of the interfacial portions has a Mn content higher than an average Mn content of the central portion and an average Mn content of one of the dielectric layers which is in contact with the one of the interfacial portions.

Abstract: A multilayer electronic component includes a body including dielectric layers and internal electrodes alternately disposed in a first direction, and external electrodes disposed on the body to be connected to the internal electrodes. At least one internal electrode of the internal electrodes includes a plurality of disconnected portions penetrating through a respective internal electrode. A disconnected portion of the plurality of disconnected portions includes at least one of a pore or a dielectric substance disposed to connect adjacent dielectric layers to each other. A dielectric filling ratio, defined as a ratio of an overall length of the dielectric substance to an overall length of the disconnected portion on a cross section in the third and first directions, is more than 20% to 80% or less.

Abstract: In the present disclosure, the side spoiler is provided on a lower side of a mobility vehicle so that aerodynamic performance is improved, and a deployment angle of the side spoiler is controlled according to driving conditions and road conditions so that desired aerodynamic performance is realized, and damage to the side spoiler is prevented. In addition, introduced is a side spoiler device for the mobility vehicle, in which the side spoiler is divided into a plurality of side spoilers so that aerodynamic performance for each driving situation is optimized through individual control of each side spoiler.

Abstract: The present disclosure discloses a bumper beam for a motor vehicle including a center portion free of mobility-specificity and side portions that may be altered according to design and specification of the mobility to secure collision performance so that the bumper back beam of which collision performance is secured and which satisfies various mobilities may be flexibly applied. Accordingly, it is possible to configure the back beam satisfying various mobilities based on a standardized model to secure collision performance so that manufacturing cost is reduced by assembling and producing the back beams with minimum molds.

Abstract: A seat rail for a vehicle includes: a rail gap cover combined with a moving rail, and a slit cover combined with the rail gap cover to close the gap between a fixed rail and the moving rail regardless of movement of the moving rail, whereby it is possible to prevent foreign substances from entering into the fixed rail.

Abstract: An embodiment display apparatus for a vehicle includes a display unit designed to be accommodated inside an interior trim of the vehicle and configured to output outside image information captured by a camera and a moving unit configured to allow the display unit to be selectively pulled out from the interior trim and to allow the display unit to rotate in opposite directions in a state in which the display unit is pulled out.

Abstract: Disclosed is an armrest for a seat, which is accommodated at a lateral side of a seat cushion at a standby position and adjusted in height with respect to the seat cushion at an operation position. The armrest includes: a base disposed adjacent to the seat cushion; a first module rotatably connected to the base and configured to rotate about a first rotation axis so that a height of the first module with respect to the seat cushion is adjusted; and a second module rotatably connected to the first module and configured to rotate about a second rotation axis traversing the first rotation axis so that the second module is disposed horizontally or vertically with respect to the seat cushion.

Abstract: A hood-integrated vehicle body in which a hood, a bumper, and a fender are integrally formed into a single component so as to reduce the weight thereof is disclosed. The hood-integrated vehicle body includes a front vehicle body part, which is constructed such that a hood is integrally and rotatably connected to a front portion of the front vehicle body part and is openable at a rear side thereof, a lifting unit mounted to the front part of the vehicle so as to rotate the hood, and a locking unit, which is mounted to the front part of the vehicle so as to selectively engage the hood with the front part of the vehicle such that the engagement of the hood is released so as to allow the hood to be opened by means of the lifting unit upon manipulation for opening the hood.