Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.

Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and it is provided a positive electrode active material for a lithium secondary battery, comprising: a core containing a lithium nickel-based compound having a Ni content of 80 mol % or more; and a coating material positioned on at least a portion of the core surface; wherein, the coating material includes a first coating material containing at least one of group 5 elements and group 6 elements; and S; and a second coating material including B, LiOH, Li2CO3 and Li2SO4.

Abstract: An air purifying apparatus includes an outer inlet which forms a flow path through which external air flows into the air purifying apparatus, an inner inlet which forms a flow path through which internal air flows into the air purifying apparatus, an outer outlet which forms a flow path through which air inside the air purifying apparatus is discharged to the outdoors, a charge part configured to ionize particles in the air flowing into the air purifying apparatus, a heat exchange dust collector configured to perform heat exchange between the air flowing into through the outer inlet and the air flowing into through the inner inlet, collect the ionized particles, and treat air inside the air purifying apparatus, and an inner outlet which forms a flow path through which the treated air is discharged into the indoors.

Abstract: A positive electrode active material including a first lithium composite oxide particle including a secondary particle formed by aggregation of one or more primary particles, and a coating oxide occupying at least a part of at least one of surfaces of the secondary particle, grain boundaries between the primary particles, or surfaces of the primary particles, the positive electrode active material satisfying an equation of 1.3?a/b?3.0, wherein a represents a max peak intensity at 2theta=44.75° to 44.80° and b represents a max peak intensity at 2theta=45.3° to 45.6° in X-ray diffraction (XRD) analysis using Cu K? radiation.

Abstract: The present disclosure provides a catalyst, methods of manufacturing the catalyst, and methods for using the catalyst for ammonia decomposition to produce hydrogen and nitrogen. The catalyst may comprise an electrically conductive support with a layer of one or more metal oxides adjacent to the support and at least one active metal adjacent to the layer. Methods are disclosed for deposition of metal oxide and active metal, drying and heat treatment. The method of using the catalyst may comprise bringing ammonia in contact with the catalyst in a reactor. The catalyst may be configured to be heated to a target temperature in less than about 60 minutes, by passing an electrical current through the catalyst. The method of using the catalyst may comprise bringing the catalyst in contact with ammonia at about 400 to 900° C., to generate a reformate stream with a conversion efficiency of greater than about 70%.

Abstract: Disclosed are an electrolyte membrane of a membrane-electrode assembly including an electronic insulation layer, which greatly improves the durability of the electrolyte membrane, and a method of preparing the same. The electrolyte membrane includes an ion exchange layer and an electronic insulation layer provided on the ion exchange layer, and the electronic insulation layer includes one or more catalyst complexes, and a second ionomer Particularly, each of the one or more catalyst complex includes a catalyst particle and a first ionomer coated on the entirety or a portion of the surface of the catalyst particle, and the one or more catalyst complexes are dispersed the second ionomer.

Abstract: A cosmetic container having a wiper capable of removing a cosmetic liquid from an application support rod having a non-circular cross-sectional area is proposed. The cosmetic container includes a container (110) in which the cosmetic liquid is accommodated, a container cap (120) opened/closed with respect to an injection port (112) of the container (110), and an application part (130) rotatably fitted and coupled to the container cap. The wiper (140) is coupled to an inner side of the injection port (112) of the container, a through-hole (144) of the cleaner part (142) is formed in a circular shape, the application part includes an application support rod (132) and an application member (134), an airtight recessed groove (133) is formed on an upper portion of the application support rod, and the application support rod extended from a lower portion of the airtight recessed groove has a non-circular cross-sectional area.

Abstract: A camsylate salt of D(+)-10-camphorsulfonic acid and a triazolopyrazine derivative of formula (1), pharmaceutical compositions thereof, methods of making the salt, and therapeutic use thereof:

Abstract: A portable water bottle includes a water bottle body having water stored therein; and a sterilizing module for irradiating the inside of the water bottle body with sterilizing ultraviolet rays. The sterilizing module further includes a housing having an ultraviolet outlet through which the sterilizing ultraviolet rays pass; a light source module for emitting the sterilizing ultraviolet rays; and a power storage member for supplying power to the light source module.

Abstract: Disclosed are a system and method for automatically evaluating an essay. The system includes a structure analysis module configured to divide learning data and learner essay text in a predetermined structure analysis unit, generate structure tagging information for each structure analysis unit, and structure the learning data and the learner essay text by attaching the structure tagging information to the learning data and the learner essay text, a learning module configured to generate an essay evaluation model through learning by using essay text that is included in the structured learning data and the structure tagging information as an input value and using an evaluation score that is included in the structured learning data as a label, and an evaluation module configured to generate essay evaluation results using the essay evaluation model.

Abstract: The present exemplary embodiments may provide soft magnetic powder including metal powder and an oxide insulation film coating a surface of metal powder particles, in which the metal powder particles may include one or more selected from pure iron or an iron-based alloy and the oxide insulation film may include an oxide of a component constituting the metal powder particles.

Abstract: A display device includes a first substrate and a second substrate facing each other; and a filling layer disposed between the first substrate and the second substrate. The first substrate comprises a support substrate comprising a display area in which emission areas associated with sub-pixels, are arranged; a light-emitting element layer disposed on one surface of the support substrate; and an encapsulation layer disposed on the light-emitting element layer. The encapsulation layer comprises a first inorganic layer covering the light-emitting element layer; an organic layer disposed on the first inorganic layer and overlapping the light-emitting element layer; and a second inorganic layer disposed on the first inorganic layer and covering the organic layer. A thickness of the first inorganic layer is smaller than a thickness of the second inorganic layer.

Abstract: A semiconductor device may comprise: a plurality of lower electrodes which are on a substrate; a first electrode support which is between adjacent lower electrodes and comprises a metallic material; a dielectric layer which is on the lower electrodes and the first electrode support to extend along profiles of the first electrode support and each of the lower electrodes; and an upper electrode which is on the dielectric layer.

Abstract: A pouch-type battery case according to an embodiment of the invention may accommodate an electrode assembly, in which electrodes and separators are alternately stacked. The pouch-type battery case may include: a pair of recess parts, each of which has a recessed shape; a pair of terraces that are disposed around the pair of recess parts and are inclined downward in a direction closer to each other in a state; in which the battery case is unfolded; and a bridge disposed between the pair of recess parts, configured to connect the pair of recess parts to each other, having a pair of connection surfaces formed to be inclined upward from a bottom surface of each of the pair of recess parts in a direction closer to each other. In the state in which the battery case is unfolded, an angle formed by the pair of terraces may be an obtuse angle.

Abstract: Disclosed is a transmissive wavelength tunable hyperspectral filter using layered twisted liquid crystal thin film, wherein the transmissive wavelength tunable hyperspectral filter is formed by laminating two or more layered twisted liquid crystal thin films having different broadband reflection bandgaps, wherein each of the layered twisted liquid crystal thin films includes a twisted liquid crystal layer including a plurality of unit liquid crystal molecules, and formed by arranging twisted liquid crystal complexes defining a preset cone angle along the helical axis with respect to the helical axis, and includes a pseudo-layer formed by arranging a plurality of twisted liquid crystal layers in a lengthwise direction of the helical axis at a preset inter-layer pitch (P).

Abstract: A electric vehicle cable mounting system includes a driving unit including a rotary disc and allowing a charging cable to be released from a side in accordance with a rotation motion of a rotary disc, a guide unit provided behind the driving unit and allowing the driving unit to move in a vertical direction in accordance with a rotation motion of the rotary disc, and a controller controlling the driving unit and the guide unit such that the charging cable is automatically released in an electric vehicle charge mode and is automatically returned in an electric vehicle charge standby mode.

Abstract: A solid electrolyte, including sulfide-based solid electrolyte particles and a coating layer disposed on the surface of the sulfide-based solid electrolyte particles and including a metal alkoxide.

Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.

Abstract: Disclosed are a salt (camsylate salt) of D(+)-10-camphorsulfonic acid and a triazolopyrazine derivative of formula (1), pharmaceutical compositions thereof, methods of making the salt, and therapeutic use thereof:

Abstract: Disclosed are a page turning method for turning the pages of an electronic chart through a user interaction, and a computing device. The page turning method allows a user's interactive operation on an electronic chart to be sensed by considering the user's behavior of retrieving medical treatment details of a patient from a conventional paper chart, and allows pages of the electronic chart to be adjusted according to the sensed interactive operation so that a desired page of the user can be moved in the electronic chart and displayed on a screen.