Abstract: A shoe management apparatus including a cabinet including an inner space for storing shoes, an exhaust port disposed at a rear surface of the inner space and discharging air into the inner space, and a front discharge port disposed at an upper surface of the cabinet and discharging air from the inner space to outside of the shoe management apparatus.

Abstract: A shoe management apparatus capable of managing various types of shoes and including a cabinet defining an inner space for storing shoes; and a partition dividing the inner space into an upper first compartment and a lower second compartment, formed therein with a fluid path along which air is discharged into the inner space, and variable in length with respect to a front-to-rear direction of the shoe management apparatus.

Abstract: A refrigerator includes a storage chamber having an opening; a drawer type door to open or close the opening; a display positioned at the drawer type door; a first connector provided at a sidewall of the storage chamber; a second connector provided at the drawer type door and being electrically connected to the display; a first frame coupled to an inner wall of the storage chamber, the first frame to cover the first connector; a second frame coupled to the drawer type door, the second frame to support a storage box; and a wire electrically connected between the first connector and the second connector. The first frame has a first accommodating part to accommodate one portion of the wire and the second frame has a second accommodating part to accommodate another portion of the wire.

Abstract: This disclosure relates to a flexible membrane of sulfide solid electrolyte. In one embodiment, the flexible membrane has a bending strain of no less than 0.1%. In one embodiment, the flexible membrane has a lithium-ion conductivity of no less than 0.5 mS/cm. The bending strain is calculated according to the formula ?M=h/(2r), wherein h is thickness of the membrane and r is a bending radius corresponding to the membrane without any observable kinks, wrinkles, cracks, or damages.

Abstract: Disclosed is a prismatic cell assembly, comprising a housing, a stacked sheets (or layers) comprising electrode and solid electrolyte, and a pre-deformed elastic body placed on the top or bottom of or sandwiched within the stacked sheets, wherein the compressed or deformed elastic body exerts an internal compression among the stacked sheets. In one embodiment, the housing is formed by welding a first plate and a second plate. In one embodiment, the cell assembly exhibits an improved electrochemical performance and longer lifetime.

Abstract: Disclosed is a cathode composite layer for an all solid-state battery, comprising particles of a cathode active material (CAM), a solid electrolyte (SE), an electrically conductive carbon fiber coated with an oxide material. In one embodiment, the present disclosure provides an all solid-state battery comprising the cathode composite layer, wherein the battery has an increased capacity and cycle stability due to the reduced SE degradation.

Abstract: A positive electrode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium transition metal composite oxide and doping metals doped in the lithium-transition metal composite oxide, wherein the doping metals includes at least two kinds and the average oxidation number of the doping metals is greater than 3.5.

Abstract: The present invention relates to a novel method for preparing lithium oxide. In the present invention, the particle size and shape of lithium oxide may be controlled during the preparing process. In addition, the present invention relates to lithium oxide with controlled particle size and shape prepared by this preparing method.

Abstract: The present invention relates to a positive electrode additive for a lithium secondary battery, a manufacturing method thereof, a positive electrode for a lithium secondary battery including the same, and a lithium secondary battery including the same. The positive electrode additive for a lithium secondary battery according to an exemplary embodiment of the present invention is represented by Chemical Formula 1 below. Li6xCo1-yMyO4??[Chemical Formula 1] (In the Chemical Formula 1, 0.9?x?1.1, 0<y?0.1, My=BaWb, 0?a?0.1, 0?b?0.1, and, a and b are not simultaneously 0.) Another positive electrode additive for a lithium secondary battery according to an exemplary embodiment of the present invention includes a core represented by Chemical Formula 2 below; and a coating layer comprising at least one of boron (B) and tungsten (W). Li6xCoO4??[Chemical Formula 2] (In the Chemical Formula 2, 0.9?x?1.1.

Abstract: The present invention relates to a lithium compound, a nickel-based cathode active material, a method for preparing lithium oxide, a method for preparing a nickel-based cathode active material, and a secondary battery using same. The lithium compound includes primary particles of Li2O having an average particle diameter (D50) of less than or equal to 5 ?m; and secondary particles composed of the primary particles.

Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.

Abstract: Disclosed are an energy self-contained oceanic drone for AI-based marine information survey and surveillance and a method using the same. A method of monitoring, by a marine vessel system, an ocean condition may include taking in a given amount of seawater or fresh water, performing advanced water treatment on the taken-in seawater or fresh water, performing water electrolysis treatment on the water obtained through the advanced water treatment, generating electric energy using a fuel cell based on hydrogen obtained from the water through the water electrolysis treatment, and supplying the generated electric energy as electric power for the marine vessel system.

Abstract: The present disclosure discloses a display control method and control apparatus using eye tracking. The display control method includes matching the image on which the user's face is displayed with the image on which its gaze is displayed, respectively, detecting the gaze information of the user by using the matched image with respect to the input of the user's face image, and controlling a display by manipulating a control element related to the gaze information among the control elements included in display information. According to the present disclosure, it is possible to control the display by using Artificial Intelligence (AI), a Deep Learning-based gaze mapping technology, and a 5G network without complicated calculation for a gaze angle.

Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.

Abstract: A positive electrode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium transition metal composite oxide and doping metals doped in the lithium-transition metal composite oxide, wherein the doping metals includes at least two kinds and the average oxidation number of the doping metals is greater than 3.5.

Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.

Abstract: The present disclosure discloses a display control method and control apparatus using eye tracking. The display control method includes matching the image on which the user's face is displayed with the image on which its gaze is displayed, respectively, detecting the gaze information of the user by using the matched image with respect to the input of the user's face image, and controlling a display by manipulating a control element related to the gaze information among the control elements included in display information. According to the present disclosure, it is possible to control the display by using Artificial Intelligence (AI), a Deep Learning-based gaze mapping technology, and a 5G network without complicated calculation for a gaze angle.

Abstract: Disclosed are an energy self-contained oceanic drone for AI-based marine information survey and surveillance and a method using the same. A method of monitoring, by a marine vessel system, an ocean condition may include taking in a given amount of seawater or fresh water, performing advanced water treatment on the taken-in seawater or fresh water, performing water electrolysis treatment on the water obtained through the advanced water treatment, generating electric energy using a fuel cell based on hydrogen obtained from the water through the water electrolysis treatment, and supplying the generated electric energy as electric power for the marine vessel system.

Abstract: A solid ion conductor including a garnet oxide represented by Formula 1: L5+xE3(Mez,M2-z)Od??Formula 1 wherein L includes Li and is at least one of a monovalent cation and a divalent cation; E is a trivalent cation; Me and M are each independently one of a trivalent, tetravalent, pentavalent, and hexavalent cation; 0<x?3, 0?z<2, and 0<d?12; and O is partially or totally substituted with at least one of a pentavalent anion, a hexavalent anion, and a heptavalent anion.

Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.