Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a positive-electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl methanesulfonate.

Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a negative-electrode film additive, which is silver p-toluenesulfonate.

Abstract: Disclosed are an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. The electrolyte solution includes a lithium salt, a solvent, and a functional additive. The functional additive includes benzo[d]thiazol-6-yl(fluorosulfonyl)sulfamoyl fluoride.

Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a first electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl 4-methylbenzenesulfonate.

Abstract: Disclosed are an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, and in particular, the functional additive includes (4-(1H-1,2,4-triazol-1-yl)phenyl)(fluorosulfonyl)sulfamoyl fluoride.

Abstract: A display device includes a substrate having a first surface on which a light emitting element is located, a second surface on which a driving unit for driving the light emitting element is located, the second surface being opposite the first surface, and a first side surface between the first surface and the second surface, a first pad on the first surface of the substrate and electrically connected to the light emitting element, a second pad on the second surface of the substrate and electrically connected to the driving unit, and a side wiring on the first surface, the second surface, and the first side surface of the substrate to electrically connect the first pad and the second pad. The side wiring includes a first side wiring and a second side wiring spaced from each other.

Abstract: Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm2 to 740 mg/25 cm2, and the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol % to 75 vol % in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.

Abstract: Disclosed herein is a pouch-type secondary battery and a manufacturing method thereof including. The pouch-type secondary battery includes an electrode assembly; an electrode lead extending from an electrode tab of the electrode assembly; an upper pouch; and a lower pouch. The upper pouch and the lower pouch include a sealed area where the edges are sealed and an unsealed area. An average thickness of the sealed area of the upper pouch and an average thickness of the sealed area of the lower pouch are equal to each other, and the average thickness of the unsealed area of the upper pouch is smaller than the average thickness of the unsealed area of the lower pouch, so that even if the thickness of the lower pouch is reduced during the sealing process of heat-sealing, the sealed area of the upper and lower pouches are formed with little difference in thickness.

Abstract: In an embodiment of the disclosed technology, since a host device manages data stored in a storage device on the basis of a zone corresponding to a storage block of the storage device, the load of the storage device may be reduced, and the operation efficiency of the storage device may be increased by the control of the host device. Therefore, it is possible to improve the performance of a computing system including the host device and the storage device.

Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.

Abstract: Proposed is an air gap adjustment apparatus. The apparatus is for enabling an air gap between the inner surface of a stator and the outer surface of a rotor, which are installed in an inner space of a housing, to be uniform overall. A plurality of fastening holes are formed so as to surround a shaft through hole of an end plate constituting the housing. A fastener, which has passed through a bearing housing of a bearing, is fastened to each fastening hole so as to mount the bearing to the end plate. An adjusting member body of an adjusting member, which has passed through the bearing housing, is positioned in an adjusting member seating part which is formed at the entrance of each fastening hole. The adjusting member rotates about the adjusting member body so that a head part may adjust the position of the bearing.

Abstract: Proposed are an unsupported metallic catalyst for a selective ring-opening (SRO) reaction and a method of using the same catalyst, wherein the catalyst contains nickel (Ni), molybdenum (Mo), and tungsten (W).

Abstract: A positive electrode material for a lithium secondary battery has improved electron conductivity and surface stability because oxidation-treated carbon nanotubes are stably attached to the surface of an active material. According to one embodiment the positive electrode material includes a positive electrode active material core made of a Li—Ni—Co—Mn-M-O-based material (M=transition metal) and an oxidized carbon nanotube coating layer formed on the surface of the positive electrode active material core and including 1% to 3% by weight of oxidation-treated carbon nanotubes (OCNT) relative to 100% by weight of the positive electrode active material core.

Abstract: A sealing device for a pouch-type battery includes an upper sealing block and a lower sealing block. The upper sealing block has a two-stage upper sealing groove, including a first upper step and a second upper step, and the lower sealing block has a two-stage lower sealing groove, including a first lower step and a second lower step. The upper sealing block contacts a first surface of an electrode lead sealing part of the pouch-type battery, and the lower sealing block contacts a second surface of the electrode lead sealing part of the pouch-type battery in a process of performing sealing through heat fusion. A pouch-type battery having an electrode lead sealing part formed by the sealing device is also provided.

Abstract: Discussed is an organic light emitting device in which a light emitting layer includes a host and different kinds of dopants, the fluorescent dopant is formed of a material having energy level properties facilitating thermally activated delayed fluorescence (TADF), and thus energy is concentratedly transferred to the fluorescent dopant so as to increase luminous efficacy of a single color.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a passivation layer, an antenna unit at least partially embedded in an upper portion of the passivation layer, and an insulating layer disposed on a top surface of the passivation layer to cover the antenna unit. A spatial efficiency of the antenna structure is improved and a thickness of the image display device is reduced to improve a bending property.

Abstract: A positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. The positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. The positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a Li—Ni—Co—Mn-M-O-based material, where M is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. Carbon nanotubes (CNT) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.

Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.

Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.