Abstract: In order to more accurately measure internal pressure of a secondary battery, the present disclosure provides a measurement method including (a) interposing the secondary battery between an upper plate and a lower plate, (b) increasing internal pressure of the secondary battery by injecting a gas into the inside of the secondary battery, (c) monitoring surface pressure of the secondary battery at a measuring member which is in contact with the lower plate, and (d) measuring a value of the surface pressure from the measuring member at a point in time when at least one sealing portion of the secondary battery is vented.

Abstract: A multilayer electronic component according to an embodiment of the present disclosure includes: an electronic component body including a body having a dielectric layer and an internal electrode, and an external electrode disposed on the body; and a coating layer disposed on an external surface of the electronic component body, including one or more of silicon (Si) and fluorine (F), and having an average thickness of 5 nm or more and 15 nm or less.

Abstract: Provided are a negative electrode including a silicon-based negative electrode active material and a secondary battery including the same. The negative electrode for a secondary battery including: a current collector and a negative electrode active material layer including a plurality of silicon-based active material particles, which is positioned on the current collector may be provided, wherein the following Relation is satisfied: [Relation 1] 0.01?A?B?0.81, wherein A is an average value of Raman spectrum peak intensity ratios Ia/Ib for 50 silicon-based active material particles randomly selected in the negative electrode active material layer, B is an average value or values excluding top 10 values and bottom 10 values, for each Raman spectrum peak intensity ratio Ia/Ib value for the 50 silicon-based active material particles, Ia is a peak intensity at 515±15 cm?1, and Ib is a peak intensity at 470±30 cm?1.

Abstract: Provided are a lithium-doped silicon-based negative electrode active material, a method of producing the same, and a negative electrode and a lithium secondary battery including the same. According to an exemplary embodiment of the present invention, a method of producing a negative electrode active material for a secondary battery including: a) a metal doping process of mixing a silicon-based material and a metal precursor and performing a heat treatment to dope the silicon-based material with a metal; and b) an acid gas treatment process of treating the metal-doped silicon-based material in an acid gas atmosphere to remove residual metal may be provided.

Abstract: An organic sensor includes a first electrode, a second electrode, an organic active layer between the first electrode and the second electrode, and a protective layer between the organic active layer and the second electrode. Capacitance provided of the first electrode, the protective layer, and the second electrode is less than or equal to about 2×10?10 F.

Abstract: An operation method of a receiver may comprise: receiving reference signals from a transmitter in an entire use band; generating first channel information by performing channel estimation on each of the reference signals; generating second channel information by removing noises from the first channel information using a first artificial neural network; and generating third channel information for a grid of the entire use band based on the second channel information using a second artificial neural network.

Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.

Abstract: An example system includes an electronic device and a server. The electronic device includes a display; a first communicator; and a first controller configured to: control to transmit, to the server, location data identifying locations of the electronic device. The server includes a second communicator; and a second controller configured to: control to receive the location data; identify a course of travel; link photograph images to locations on the course of travel; and control to transmit to the electronic device the course of travel and the photograph images. The first controller of the electronic device is configured to control to receive the course of travel and the photograph images and to control to display on the display, at the same time, a map image, the course of travel, and one or more of the photograph images linked to a selected location on the course of travel.

Abstract: The present disclosure relates to a composition for treating or alleviating female menopausal symptoms, which contains a mixed extract of hop and citrus peel as an active ingredient, and a method for treating or alleviating menopausal symptoms. The composition of the present disclosure has superior effect of alleviating or treating female menopausal symptoms, particularly cardiovascular disease and/or osteoporosis.

Abstract: The present disclosure relates to a composition for treating, preventing or alleviating cardiovascular disease and/or osteoporosis, which contains a mixed extract of hop and Cynanchum wilfordii as an active ingredient, and a method for treating or alleviating cardiovascular disease and/or osteoporosis. The composition and method of the present disclosure provide superior effect of alleviating, preventing or treating cardiovascular disease and/or osteoporosis while using a small amount of hop.

Abstract: The present invention provides an optical film and a display device including same, the optical film comprising a polymer resin which includes: a first repeating unit; a second repeating unit; a third repeating unit; and a fourth repeating unit, wherein the first repeating unit is an imide repeating unit derived from a first diamine-based compound and a dianhydride-based compound, the second repeating unit is an imide repeating unit derived from a second diamine-based compound and a dianhydride-based compound, the third repeating unit is an amide repeating unit derived from a first diamine-based compound and a dicarbonyl-based compound, and the fourth repeating unit is an amide repeating unit derived from a second diamine-based compound and a dicarbonyl-based compound.

Abstract: A negative electrode for all-solid-state battery and a lithium secondary battery including the same are provided. The negative electrode includes a negative electrode current collector formed of an electrically conductive metal material, a coating layer formed on one surface or opposite surfaces of the negative electrode current collector, the coating layer including a lithiophilic material, and an ion transport layer formed on the coating layer, the ion transport layer including amorphous carbon configured to allow lithium ions to move therethrough.

Abstract: A carrier includes a base assembly movably coupled to a transfer rail, a seating plate disposed above the base assembly and having a battery cell seated on an upper surface thereof, a pressurizing and fixing portion for fixing the battery cell to the seating plate by pressurizing the battery cell, and an elastic member for pressurizing the pressurizing and fixing portion toward the seating plate side, wherein the pressurizing and fixing portion is coupled to the base assembly to move in a first direction, which is a horizontal direction, and a second direction, which is a vertical direction.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

Abstract: A method for forming a line and a space pattern, according to one embodiment of the present invention, comprises exposing a mask in a first direction and a second direction on a substrate and stitching same. The method for forming a line and a space pattern comprises the steps of: performing first exposure on the substrate so that first shots of the mask come in contact with each other in the first direction; and performing second exposure on the substrate so that second shots of the mask come in contact with each other so as to be distanced in the second direction and be offset with respect to the first shots in the first direction.

Abstract: The present invention relates to a cathode material for a lithium-air battery and a method of manufacturing a cathode using the same. The cathode material of the present invention includes a solvent component and thus includes an electrolyte in a small amount compared to a conventional cathode material, thereby reducing the weight of a cathode manufactured using the cathode material, ultimately increasing the energy density of a lithium-air battery including the cathode.

Abstract: A gearshift control apparatus of a vehicle includes: a sensor configured to measure a speed, a brake position sensor (BPS) value, and an accelerator position sensor (APS) value of the vehicle, and a controller configured to, in a gearshift section spaced apart by a preset distance from a speed bump located on a road on which the vehicle travels, (i) calculate a deceleration of the vehicle and a gradient of the road after the speed bump, (ii) determine a correction factor corresponding to the deceleration of the vehicle and the gradient of the road, and (iii) perform a gearshift to a shift stage corresponding to the correction factor and the speed of the vehicle.

Abstract: Provided is an electrode tab welding method including aligning one end portion of an electrode tab unit including a plurality of electrode tabs protruding from one side or both sides of an electrode assembly in which electrodes and separators are stacked to overlap one end portion of an electrode lead; and irradiating an overlapping area where the electrode tab unit and the electrode lead overlap each other with a laser for welding. Each of the electrode tabs belonging to the electrode tab unit is an ultra-thin electrode tab having a thickness of 15 ?m or less, and the number of electrode tabs stacked in one direction in the electrode tab unit is at least 40.

Abstract: A method for performing random access in a wireless communication system is provided. The method includes transmitting a preamble for random access in uplink, receiving a random access response message including back-off information as a response to the preamble, and performing back-off using the back-off information when the random access has failed.