Abstract: A semiconductor chip includes a semiconductor substrate, an insulation layer positioned on the semiconductor substrate and that includes a plurality of via holes, and a bump positioned within the plurality of via holes and on the insulation layer. Portions of the bump positioned within the plurality of via holes are connected to each other.

Abstract: The present disclosure relates to a positive electrode active material for a lithium-sulfur battery, and the positive electrode active material of the present disclosure includes a sulfur-carbon composite, wherein the sulfur-carbon composite includes a porous carbon material and a sulfur-based material disposed on at least a portion of an inside of pores and a surface of the porous carbon material, wherein the sulfur-based material includes at least one of sulfur (S8) or a sulfur compound, and wherein the porous carbon material satisfies one or more of the following conditions: (1) a sum of particle size D10 and particle size D90 is 60 ?m or less; and (2) a broadness factor (BF) satisfying Equation 1 is 7 or less: Broadness factor (BF)=(particle size D90 of the porous carbon material)/(particle size D10 of the porous carbon material)??[Equation 1].

Abstract: A lithium-sulfur battery having high energy density and a method for manufacturing the same are provided. The lithium-sulfur battery at depth of discharge (DOD) 15% to DOD 80% includes a compound having three or more characteristic peaks of diffraction angles (2? values) of X-ray diffraction (XRD) patterns selected from 7.1±0.2°, 9.0±0.2°, 9.4±0.2°, 9.6±0.2°, 9.9±0.2°, 10.0±0.2°, 10.4±0.2°, 11.0±0.2°, 11.6±0.2°, 12.1±0.2°, 13.3±0.2°, 14.5±0.2° and 15.0±0.2°.

Abstract: A lithium-sulfur battery capable of retaining excellent energy density and capacity even when discharged at a fast rate and a method of manufacturing the same are provided. The lithium-sulfur battery has a ratio of an amount of lithium sulfide (Li2S) present at 100% depth of discharge state (DoD 100) of the lithium-sulfur battery discharged at 1.0 C to an amount of lithium sulfide (Li2S) present at DoD 100 of the lithium-sulfur battery discharged at 0.5 C of 80% or more.

Abstract: A lithium-sulfur battery having a long lifespan and method for manufacturing the same are provided. The lithium-sulfur battery comprises an electrode assembly which comprises a positive electrode including a sulfur-carbon composite, a negative electrode including a lithium-containing layer and a solid electrolyte interphase (SEI) layer on at least one surface of the lithium-containing layer, and a separator between the positive electrode and the negative electrode; and an electrolyte solution, and the negative electrode comprises sulfur element (S) in an amount of 3 weight % or less based on the total weight of the lithium-containing layer and the SEI layer at state of charge of 100%.

Abstract: A lithium-sulfur battery having a high capacity and a method for manufacturing the same are provided. The lithium sulfur battery comprises a positive electrode and an electrolyte solution, and has a weight ratio, WSE/WSP, of a weight of a sulfur element (S) of a sulfur-based compound present in the electrolyte solution to a weight of a sulfur element (S) of a sulfur-based compound present in the positive electrode of 0.15 or less.

Abstract: A positive electrode containing a sulfur-carbon composite and a lithium secondary battery including the same are discussed. More specifically, a network-shaped coating layer including a conductive polymer on a surface of the sulfur-carbon composite, and thus the conductivity of the sulfur-carbon composite is enhanced and also, lithium ions move freely, and accordingly, when applied to lithium secondary batteries, the sulfur-carbon composite can enhance the performance of batteries.

Abstract: A positive electrode for a lithium-sulfur secondary battery includes a positive electrode active material layer having an intaglio pattern formed therein. A method for manufacturing the same, and a lithium-sulfur secondary battery including the same are also provided. The positive electrode active material layer has a porosity of 50 to 65%. The intaglio pattern has a width of 1 to 100 ?m and a depth of 30 to 99% based on the thickness of the positive electrode active material layer. The volumetric ratio of the positive electrode active material layer and the intaglio pattern is 4:1 to 40:1. When the positive electrode is applied to a lithium-sulfur secondary battery, the energy density per unit volume can be remarkably improved.

Abstract: A lithium-sulfur battery having a high capacity and a method for manufacturing the same are provided. The lithium sulfur battery comprises a positive electrode and an electrolyte solution, and has a weight ratio, WSE/WSP, of a weight of a sulfur element (S) of a sulfur-based compound present in the electrolyte solution to a weight of a sulfur element (S) of a sulfur-based compound present in the positive electrode of 0.15 or less.

Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate. The semiconductor device includes a stack structure on the substrate. The stack structure includes a first insulating material and a second insulating material that is on the first insulating material. The semiconductor device includes a spacer that extends from a sidewall of the first insulating material of the stack structure to a portion of a sidewall of the second insulating material of the stack structure. Moreover, the semiconductor device includes a conductive line that is on the spacer. Methods of forming semiconductor devices are also provided.

Abstract: A sulfur-carbon composite and a lithium secondary battery including the same are discussed. More specifically, a network-shaped coating layer including a conductive polymer is formed on a surface of the sulfur-carbon composite, and thus the conductivity of the sulfur-carbon composite is enhanced and also, lithium ions move freely, and accordingly, when applied to lithium secondary batteries, the sulfur-carbon composite can enhance the performance of batteries.

Abstract: A steering input device according to the present disclosure includes a grip part, a lower shaft engaged to the grip part and configured to be rotated by a rotation of the grip part, a torsion bar, an end portion of which is connected to the lower shaft, wherein the torsion bar is at least partially disposed in the lower shaft, a connection shaft connected to the torsion bar and configured to accommodate at least a part of the torsion bar, the connection shaft being connected to the lower shaft, a sensor configured to detect a rotation angle of the lower shaft or the connection shaft, and a motor shaft connected to the connection shaft and configured to be rotated by a motor.

Abstract: The present disclosure relates to a method for preparing a porous carbon material including: (1) a step of centrifugally milling a porous carbon material; and (2) a step of filtering the centrifugally milled porous carbon material through a sieve, wherein a mesh size of the sieve is 2.8 to 4 times of a D50 particle size of the porous carbon material filtered through the sieve in the step (2). The present disclosure also relates to a porous carbon material prepared by the above-described method, a sulfur-carbon composite and a lithium-sulfur battery including the porous carbon material prepared by the above-described method.

Abstract: A positive electrode according to the present disclosure includes a current collector; and a positive electrode active material layer on at least one surface of the current collector, wherein the positive electrode active material layer comprises a sulfur-carbon composite and a binder polymer, wherein the sulfur-carbon composite comprises a porous carbon material and a sulfur-based material disposed on at least a portion of an inside of pores and a surface of the porous carbon material, and wherein a ratio of a thickness of the positive electrode (?m) to an amount of carbon per a unit area (1 cm×1 cm) in the positive electrode active material layer (mg) is 80 to 130 (?m/mg).

Abstract: The present disclosure relates to a positive electrode active material for a lithium-sulfur battery, and the positive electrode active material of the present disclosure includes a sulfur-carbon composite, wherein the sulfur-carbon composite includes a porous carbon material and a sulfur-based material disposed on at least a portion of an inside of pores and a surface of the porous carbon material, wherein the sulfur-based material includes at least one of sulfur (S8) or a sulfur compound, and wherein the porous carbon material satisfies one or more of the following conditions: (1) a sum of particle size D10 and particle size D90 is 60 ?m or less; and (2) a broadness factor (BF) satisfying Equation 1 is 7 or less: Broadness factor (BF)=(particle size D90 of the porous carbon material)/(particle size D10 of the porous carbon material)??[Equation 1].

Abstract: A method of estimating a state of health (SoH) of a lithium-sulfur battery is provided. The method includes a) maintaining a target battery for estimating the state of health in a rest state for 0.01 seconds or more in a state in which the target battery is fully charged; b) measuring OCV(det) in a state in which a voltage drop is made during the rest state; c) calculating ?OCV by subtracting OCV(det) from OCV(ini) previously measured in the same manner as in steps a) and b) at an initial stage of use of the target battery; and d) estimating a state of health (%) of the battery from a magnitude of the ?OCV.

Abstract: The inventive concept relates to a three-dimensional crosslinker composition and a method of manufacturing an electronic device using the same. According to the inventive concept, the three-dimensional crosslinker composition may be represented by Formula 1 below.

Abstract: Disclosed is a sulfur-carbon composite, and a positive electrode for a lithium secondary battery and a lithium secondary battery including the same. More specifically, since the carbon contained in the sulfur-carbon composite includes carbon of various shapes and in particular, includes sheet-type carbon in a certain content, when the sulfur-carbon composite is applied as a positive electrode active material of a lithium secondary battery, the performance of the lithium secondary battery may be improved by preventing the leaching of sulfur and improving the reaction rate at the positive electrode.

Abstract: The present disclosure relates to a force and complex vibration rendering system using a force feedback device and a wideband resonance actuator, and a method for providing force and complex vibration using the system.

Abstract: The present disclosure relates to a crosslinkable compound, a composition containing the same for formation of a solid electrolyte, a method of preparing a solid electrolyte by using the composition, a solid electrolyte, and an electronic element including the solid electrolyte.