Abstract: Provided is a technology to convert an oil having a high content of Cl into a solvent. Impurities such as Cl, S, N, and metals are removed from an oil having a boiling point of 340° C. or lower in a waste oil having a high content of Cl, and hydrogenation is carried out to recover an oil, and the oil may be applied as a solvent. Separation by boiling points to meet the properties of the solvent product is performed, a solid acid material and an oil having a high Cl content are mixed, impurities are removed by a heat treatment at a high temperature, and hydrogenation is carried out with a metal oxide catalyst, thereby manufacturing a solvent product.

Abstract: A wireless charging device according to an embodiment can effectively dissipate heat generated in a magnetic part, without causing a short circuit of a coil part or degradation of charging efficiency by having the magnetic part placed in a cooling part separated from the coil part and circulating cooling water in the cooling part. Therefore, the wireless charging device can be usefully used in a transportation means, such as an electric vehicle, which requires high-capacity power transmission between a transmitter and a receiver.

Abstract: A negative electrode for a lithium secondary battery, a method of manufacturing the same, and a lithium secondary battery including the same are provided. The negative electrode comprises a plurality of lithium thin films and a salt coating layer, which contains a lithium salt and an additive, formed between the plurality of lithium thin films, and provides improved lifetime characteristics of a battery while maintaining high coulombic efficiency because the lithium salt and the additive being consumed in the electrolyte during operation of the battery are replenished as the salt coating layer dissolves.

Abstract: An electrode active material includes a dopant (M2) and a lithium iron phosphate host material, where the electrode active material is represented as LiM2xFe1?xPO4; M2 is a transition metal or main group metal; x is 0.01 to 0.15; the electrode active material exhibits an increased ionic conductivity compared to a lithium iron phosphate (LiFePO4) without the dopant; and the electrode active material has a particle size distribution characterized by a D50 greater than or equal to 1 ?m.

Abstract: A coated separator for a rechargeable battery includes a porous polymer sheet comprising a surface; and a coating disposed on the surface, the coating comprising a metal oxyhydroxide; wherein: the coating includes a greater HF score when normalized to that of AlO(OH) at 100%; a greater PF5? score when normalized to that of AlO(OH) at 100%; or a greater LiOH score when normalized to that of AlO(OH) at 100%; or a combination of any two or more thereof.

Abstract: Disclosed is a process for converting methane into value-added compounds. In this process, a gas mixture containing hydrogen as well as high-concentration acetylene formed through methane pyrolysis (e.g. non-oxidative coupling of methane) is selectively hydrogenated in the presence of a bimetallic supported catalyst. This process obtains ethylene from acetylene in the gas mixture while unreacted methane and hydrogen are recovered as byproducts and/or additionally recycled.

Abstract: A display apparatus includes a display panel configured to display an image and a touch antenna array disposed on the display panel. The touch antenna array may include a touch electrode, a touch wiring electrically connected to the touch electrode, an antenna electrode including a plurality of antenna elements, a feeder electrically connected to the antenna electrode, and a shielding electrode disposed between the touch wiring and the feeder.

Abstract: There is provided a wireless charging apparatus. The wireless charging apparatus comprises: a power transmitter for wirelessly transmitting power to a battery; a temperature sensor for detecting at least one of a temperature of the power transmitter, a temperature of the battery, and a temperature of a power receiver; and a controller for changing a current profile of the power transmitter based on the temperature.

Abstract: There is provided a charging management apparatus. The charging management apparatus comprises: a charging station including a plurality of charging docks capable of loading a plurality of charging objects; a power supply configured to supply power for wireless charging to the plurality of charging docks in order to wirelessly charge the plurality of charging objects loaded in the charging station; and a controller configured to determine which charging mode to charge the plurality of charging objects among a constant current mode and a constant voltage mode based on a charging dock ratio in which wireless charging is being performed, and configured to control the power supply to charge the plurality of charging objects in the determined charging mode, when the power for wireless charging is supplied to the plurality of charging docks.

Abstract: A wireless charging device according to one embodiment has an inductance deviation at 80° C. of 0 or more, and has a magnetic part that has a permeability change rate (?P1) of 0/° C. or more, thus having excellent high-temperature stability, and being able to maintain excellent charging efficiency even at high temperature. Therefore, the wireless charging device can be useful in a transportation means such as an electric vehicle requiring large-capacity power transmission between a transmitter and a receiver.

Abstract: The present disclosure relates to a polyalkylene carbonate-based resin having an excellent effect of suppressing a blocking phenomenon as well as excellent mechanical properties and thermal stability, a method of preparing the same, and a molded article prepared from the polyalkylene carbonate-based resin.

Abstract: The present disclosure relates to an electrolyte for a lithium-sulfur battery and a lithium-sulfur battery comprising the same, and more specifically, the electrolyte comprises a first solvent comprising a benzene-based compound and a second solvent comprising 1,3-dioxolane as a non-aqueous organic solvent, thereby suppressing the leaching of lithium polysulfide and thus enabling high capacity and long cycle life of the lithium-sulfur battery.

Abstract: A circularly polarized array antenna may include: a dielectric material substrate; and at least one unit antenna including a plurality of radiators arranged sequentially in a rotational direction on the dielectric material substrate such that feeders of the plurality of radiators have a phase difference. The plurality of radiators may be arranged in a diagonal direction with respect to a first direction and a second direction crossing each other. Radiators neighboring each other in the first direction or the second direction, among the plurality of radiators, may be spaced apart by a gap of at least a width of the radiators neighboring each other in the first direction or the second direction.

Abstract: An electronic device includes a display layer including an active area and a peripheral area adjacent to the active area. An antenna layer is disposed on the display layer and includes an antenna, an antenna line connected to one side of the antenna, and an antenna pad connected to one side of the antenna line. A cover layer is spaced apart from the antenna layer with the display layer disposed therebetween. The cover layer may at least partially overlap each of the antenna, the antenna line, and the antenna pad.

Abstract: Embodiments described herein generally relate to sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes substrate, pixel-defining layer (PDL) structures disposed over the section of the substrate, inorganic or metal overhang structures disposed on an upper surface of the PDL structures, and a plurality of sub-pixels. The PDL structures include a trench disposed in the top surface of the PDL structure. Each sub-pixel includes an anode, an OLED material disposed over and in contact with the anode, and a cathode disposed over the OLED material. The inorganic or metal overhang structures have an overhang extension that extends laterally over the trench. An encapsulation layer is disposed over the cathode and extends under at least a portion of the inorganic or metal overhang structures and along a top surface of the PDL structures.

Abstract: An electrode active material includes a dopant (M2) and a lithium manganese iron phosphate host material represented as LiM2xMnyFe1-x-yPO4, wherein the dopant is a transition metal or main group metal, and the electrode active material exhibits an increased ionic conductivity compared to a lithium manganese iron phosphate (LiMnyFe1-yPO4) without the dopant, wherein x is 0.01 to 0.15, and y is 0.30 to 0.85.

Abstract: A battery cell includes a cathode including a cathode active material; an anode including an anode active material; and an electrolyte including a non-aqueous polar solvent, a lithium salt, and a (R3SiO)3P(O), a (R3SiO)3P, or a mixture of any two or more thereof; wherein: R is C1 to C4 alkyl; the cathode active material has an areal density of at least 10 mg/cm2 and a press density of at least 1.7 g/cc; the anode active material has an areal density of at least 5 mg/cm2 and a press density of at least 1.3 g/cc; and the conductivity of the cathode and/or anode is increased compared to the same battery cell without the (R3SiO)3P(O), the (R3SiO)3P, or the mixture of any two or more thereof.

Abstract: This disclosure is generally directed to coating materials for cathode active materials useful in lithium ion batteries (LIBs). The coatings include a metal fluoride (MFx), a lithium metal fluoride (Li-M-F), or both, which are stable with cathode materials such as LiFePO4, and helpful in protecting against battery degradation materials (i.e., HF, LiF, PF5?, and LiOH).

Abstract: A cathode active material includes a lithium manganese (Mn) iron (Fe) phosphate, wherein a mol ratio of Mn:Fe is from about 3:7 to about 9:1, the lithium manganese iron phosphate is an olivine structure, and the Mn and Fe in the olivine are present in an partially ordered or partially disordered sublattice.

Abstract: Exemplary methods of OLED device processing are described. The methods may include forming an anode on a substrate. Forming the anode may include forming a first metal oxide material on the substrate, forming a metal layer over the first metal oxide material, forming a protective barrier over the metal layer, and forming a second metal oxide material over the amorphous protection material. The protective barrier may be an amorphous protection material overlying the metal layer.