Abstract: A positive electrode active material for rechargeable lithium batteries, a method of preparing the same, and a secondary battery including the same are disclosed. The positive electrode active material for rechargeable lithium batteries includes a lithium nickel-based transition metal composite oxide, wherein the lithium nickel-based transition metal composite oxide has a nickel content of 70 mol % or more and a cobalt content of 0 mol % to 0.01 mol % based on the total content of transition metals (or the total content of all metals excluding lithium). The lithium nickel-based transition metal composite oxide includes a lithium nickel-based active material and an aluminum-containing coating layer formed on a surface of the lithium nickel-based active material, and the aluminum-containing coating layer has an aluminum content of 10% to 35% as measured by EDS.

Abstract: Provided is a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes a plurality of pouch-type battery cells, a pack case having an inner space in which the plurality of pouch-type battery cells are accommodated, and a plurality of cell covers provided in the inner space of the pack case to at least partially surround at least some of the plurality of pouch-type battery cells, each of the plurality of cell covers being each to have a dimension that is changeable in a width direction.

Abstract: Provided herein may be a storage device capable of efficiently managing a host mapping table. The storage device may include a memory device and a memory controller configured to generate map information in which a physical address of the memory device is mapped to a logical address provided from a host, to provide a first map segment among a plurality of map segments included in the map information to the host, and to generate map change information when the first map segment is changed.

Abstract: According to various embodiments, there may be provided an operation method of a server, including: obtaining an audio file and a graphic file; obtaining a plurality of audio sources and a plurality of visual sources based on at least one of the audio file or the graphic file; obtaining a plurality of processed audio sources based on changing at least some characteristics of the plurality of audio sources; obtaining a plurality of processed visual sources based on changing at least some characteristics of the plurality of visual sources; and generating at least one active experience file based on generating at least one first audio source selected from the plurality of processed audio sources, at least one first visual source selected from the plurality of processed visual sources, and a specific kind of interaction selected by a user in a related form, wherein, when the specific kind of interaction is received based on the at least one active experience file, the electronic device of the user is set to provi

Abstract: A storage device may set a plurality of zones each of which includes one or more memory blocks among a plurality of memory blocks. When a sudden power-off is detected during a write operation for a target zone among the plurality of zones, the storage device may write dummy data to the target zone during a recovery operation for the sudden power-off. When writing data of a size matching that of the dummy data onto the target zone after the dummy data is written, the storage device may write the data to a target memory block in which is outside the target zone.

Abstract: A silicon carbide wafer has one surface and the other surface opposite to the one surface. An average Rmax roughness of the one surface is 2.0 nm or less, and an average Ra roughness of the one surface is 0.1 nm or less. An edge region is a region in which a distance from an edge of the silicon carbide wafer toward a center is 5% to 75% of a radius of the silicon carbide wafer, and a central region is a region having a radius of 25% of the radius of the silicon carbide wafer at the center of the silicon carbide wafer. A difference between an average Rmax roughness of the edge region of the one surface and an average Rmax roughness of the central region of the one surface is 0.01 nm to 0.5 nm.

Abstract: A hybrid driving module includes a rotor with a hub ridge provided on a rotor hub to enable vibration noise to be reduced, and the hub ridge supports the rotor in a state in which the hub ridge is fastened to the rotor hub. The hybrid driving module may further include a ridge fixing structure that prevents the hub ridge from separating from the rotor hub. For example, the ridge fixing structure may be a ridge snap ring. The hybrid driving module may further include an elastic body that elastically presses the hub ridge toward the ridge snap ring. The elastic body may elastically press the rotor in the axial direction. The elastic body may also serve as a return spring of the piston plate of the engine clutch.

Abstract: The present invention relates to a hybrid drive module, which may ensure pressing pressure for a lock-up clutch while reducing, through a simple structure, operating pressure of a piston for pressing a lock-up clutch disposed in a space to which fluid pressure of a torque converter is applied, the hybrid drive module having a small number of components and being capable of being easily assembled. The present invention is accomplished by providing a compensation chamber of the piston and filling the compensation chamber with a low-pressure fluid. In addition, the low-pressure fluid may be used as a fluid for lubricating and cooling an engine clutch.

Abstract: The present invention relates to a hybrid driving module, in which an input member is aligned in a radial direction and/or an axial direction by a rotor hub, and thus the hybrid driving module may be easily assembled and ensure the high axial balance and the operability and durability of the engine clutch. In the hybrid driving module, the input member may be aligned at least in the radial direction or in the axial direction by a central shaft extension part of the rotor hub. A bearing configured to support a rotation and thrust may be installed between the central shaft extension part and the input member. The input member may be supported to be rotatable relative to a housing. The input member may be aligned in the radial direction and/or the axial direction by the housing.

Abstract: A torsional damper disposed between a rotor sleeve, which is configured to receive a rotational force of an engine, and a rotor hub, which is disposed rearward of the rotor sleeve, and configured to transmit the rotational force of the engine to the rotor hub, and a hybrid drive module to which the torsional damper is applied, includes: a first damper, and the first damper includes a first cover plate provided at a driving side and having a first stopper, a first stopper accommodation portion provided at a driven side and configured to accommodate the first stopper, and shield members configured to cover an opening of the first stopper accommodation portion to restrict a movement of a fluid in a radial direction through the first stopper accommodation portion.

Abstract: A display device includes a light emitting sub-pixel disposed in a display area, a light receiving pixel disposed in one of the display area or a non-display area, and a touch sensing layer including a sensing conductive layer overlapping with the light receiving pixel.

Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.

Abstract: A display panel includes a light-emitting element disposed on a base substrate and including a light-emitting layer, an inorganic deposition layer disposed on the light-emitting element, and an encapsulation layer disposed on the inorganic deposition layer. The inorganic deposition layer includes a first portion including a first upper surface inclined at a first angle with respect to an upper surface of the base substrate, and a second portion including a second upper surface substantially parallel to the upper surface of the base substrate. A first thickness of the first portion is greater than a second thickness of the second portion. Accordingly, external light reflection may be reduced, and a layer uniformity may be improved, and thus the display device may have improved display efficiency.

Abstract: A method for manufacturing an electrical steel sheet product according to an exemplary embodiment of the present invention includes: preparing an adhesive coating composition; forming an adhesive coating layer by applying and then curing the adhesive coating composition onto a surface of an electrical steel sheet; forming a heat-fused layer by laminating and heat-fusing a plurality of electrical steel sheets on which the adhesive coating layers are formed; and cooling the heat-fused electrical steel sheets at a cooling rate of 0.05 to 20° C./min.

Abstract: A method for processing an abusing message in an anonymous chatroom includes providing a rule set of a latest version to an administrator terminal of the anonymous chatroom when the administrator terminal logs in to an account through a message application or enters the anonymous chatroom, receiving a new message in the anonymous chatroom, providing the new message to the administrator terminal, receiving a request for hiding the new message from the administrator terminal when the new message is determined to be an abusing message based on at least one of a spam keyword and the rule set stored in the administrator terminal, and transmitting a command to hide the new message to a user terminal that joins the anonymous chatroom according to the request for hiding the new message.

Abstract: An insulation composition for a high-voltage cable according to an example of the present disclosure includes a base resin, a flame retardant, a cross-linking agent, and other additives. Here, the base resin includes 30 to 60 wt % of a polar ethylene-based copolymer, 20 to 50 wt % of ethylene-propylene rubber or ethylene alpha-olefin, and 10 to 20 wt % of maleic anhydride-modified ethylene-vinyl acetate.

Abstract: Disclosed is a method of manufacturing a silicon carbide wafer. The method of manufacturing a silicon carbide wafer includes a step of disposing a silicon carbide block in a crucible; a step of sublimating a silicon carbide included in the silicon carbide block to form a silicon carbide ingot; and a step of processing the silicon carbide ingot.

Abstract: The present disclosure relates to a novel salt of a 1-sulfonyl pyrrole derivative, and to a novel salt having excellent solubility in vivo, stability, bioavailability, and the like, a preparation method thereof, and a pharmaceutical composition comprising the same.

Abstract: A modular multi-cell rechargeable energy storage system (RESS) includes a RESS enclosure surrounded by an external environment and having an enclosure tray, an enclosure cover, and a rail structure. The RESS also includes a plurality of mechanically interconnected battery cell blocks arranged in the RESS enclosure. Each battery cell block includes a cell case having at least one interface connector configured to couple the cell case to the rail structure, such that each battery cell block is engaged with and aligned and supported by the rail structure.

Abstract: The present invention may provide a motor including a stator, a shaft having a hollow and disposed inside the stator, and a magnet disposed on an outer circumferential surface of the shaft, wherein the shaft includes protrusions in contact with the magnet, and the protrusions include first faces protruding from the outer circumferential surface of the shaft and second faces concavely disposed in an inner circumferential surface of the shaft.