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: An electrolyte additive comprising a compound represented by Formula 1 below forms a coating film on an electrode surface in the activation of a secondary battery, thereby the generation of a large amount of gas under a high temperature condition can be prevented, and a cell OCV drop and a decrease in capacity retention rate, which are caused by elution of metal ions from an electrode, can be effectively prevented, resulting in effective improvement in durability, performance and high-temperature safety of the battery, wherein R1, R2, and M are described herein.

Abstract: An embodiment vehicle headrest device includes a headrest including a pad portion configured to contact and support a sitting passenger's head and a cover portion positioned behind the pad portion, the pad portion being configured to move diagonally, a main frame coupled to a headrest stay and configured to move upwards/downwards along the headrest stay, and a motor module portion connected to the pad portion and the main frame such that, in operation, the motor module portion is configured to move an entirety of the headrest, including the main frame, upwards/downwards or to move only the pad portion diagonally.

Abstract: Provided is a catalyst layer for fuel cell having improved heat-dissipating performance and durability. The catalyst layer for fuel cell according to the present invention is a catalyst layer for fuel cell comprising a first composite and a second composite, wherein the first composite includes: a supporting material, a catalyst including metal particles supported on the supporting material, and a first ionomer coated on the surface of the catalyst; the second composite includes a heat-dissipating material and a second ionomer, the second ionomer is not coated on the surface of the catalyst, and the first ionomer and the second ionomer are identical with or different from each other.

Abstract: A semiconductor package is provided. The semiconductor package comprises a first semiconductor chip including a first semiconductor substrate, a through-via in the first semiconductor substrate, a second semiconductor chip on the first semiconductor chip, a filler structure extending from a top surface of the first semiconductor chip into the first semiconductor chip, and a heat spreader including a column portion spaced apart from the second semiconductor chip and disposed on the filler structure and a roof portion disposed on the second semiconductor chip and connected to the column portion.

Abstract: The present invention proposes a production support method and system for power control panel production automation, which enable an intention of a designer to be sufficiently reflected on a production site and an error occurred during production to be minimized and, in particular, includes the steps of: realizing, in a virtual environment, a power control panel designed in a 3D type and verifying an error by simulating wiring path information of designed components and electronic units; extracting production data for each process, including component information for each process, component and electronic unit arrangement information, assembly process information, and wiring information, by collecting information distributed to support production automation of the power control panel designed in the 3D type, which has been verified; and automating production by applying the production data to each interworking production facility to support the production automation of the power control panel.

Abstract: The present invention relates to a composition for a polymer electrolyte which includes a polymerizable oligomer capable of forming an excellent crosslink during a polymerization reaction. Also, the present invention relates to a polymer electrolyte, which may ensure high oxidation stability and ionic conductivity by using the composition for a polymer electrolyte, and a lithium secondary battery including the same.

Abstract: An automatically operatable electric wing-out headrest includes a motor having a lead screw configured to adjust forward-and-rearward rotation of wing-out pads respectively mounted on the opposite sides of a headrest body, a first slider coupled to the lead screw so as to be movable upwards and downwards, a second slider configured to contact the first slider so as to be movable forwards and rearwards, and a wing-out link connected to the second slider to rotate a wing-out frame.

Abstract: A seat molded article and a method of preparing a seat molded article are disclosed. The seat molded article includes: an upper pad formed of polyurethane foam having a thickness in a range of 25 to 50 mm; and an elastic fabric disposed under the upper pad, wherein, in the elastic fabric, a difference in tensile elongation between warp and weft directions is 5.0% or less, and a tensile elongation measured under a load of 20 kgf is in a range of 20 to 40% in the warp and weft directions.

Abstract: An electric headrest sliding device includes a slider configured to be movable upwards and downwards by driving of a motor, a front frame of a headrest, and a rotation link configured to connect the slider to the front frame, wherein the rotation link is rotated forwards or rearwards to push or pull the front frame during upward-and-downward movement of the slider, thereby accurately adjusting the front and rear positions of the headrest.

Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.

Abstract: An aluminum pouch film for a secondary battery and a method for manufacturing the aluminum pouch film are disclosed. The aluminum pouch film contains an aluminum layer; an outer resin layer formed on the first surface of the aluminum layer; a first adhesive layer for bonding the aluminum layer and the outer resin layer; an inner resin layer formed on the second surface of the aluminum layer; and a second adhesive layer for bonding the aluminum layer and the inner resin layer. The inner resin layer includes a compound formed by chemically bonding a fluoropolymer resin, a polyolefin, and a functional resin.

Abstract: An aluminum pouch film for a secondary battery and a manufacturing method for preparing the aluminum pouch film are disclosed. The aluminum pouch film includes an aluminum layer, an outer resin layer formed on a first surface of the aluminum layer, a first adhesive layer for bonding the aluminum layer and the outer resin layer, an inner resin layer formed on a second surface of the aluminum layer, and a second adhesive layer for bonding the aluminum layer and the inner resin layer. A heat dissipation layer containing boron carbide nanotubes is formed on one side of the outer resin layer, and the inner resin layer contains a compound formed by chemically bonding a fluoropolymer resin, a polyolefin, and a functional resin.

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: The present invention relates to a fan shroud provided in a cooling module, and an object of the present invention is to provide a fan shroud assembly in which a baffle is selectively provided in some sections between a plurality of fixing members provided in a ventilation port of a fan shroud, thereby reducing deterioration in rigidity and durability of the fan shroud and effectively reducing BPF noise.

Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: A battery module includes a cell stack; a bus bar frame assembly having a front bus bar frame configured to cover one longitudinal side of the cell stack, a rear bus bar frame configured to cover another longitudinal side of the cell stack, and an upper cover configured to cover at least a portion of an upper surface of the cell stack; and a module frame coupled to the bus bar frame assembly, wherein the front bus bar frame includes at least one first upper guide formed to protrude at an upper end thereof and at least one first side guide formed to protrude at a side portion thereof, and the rear bus bar frame includes at least one second upper guide formed to protrude at an upper end thereof and at least one second side guide formed to protrude at a side portion thereof.

Abstract: A method of recovering a solvent including: supplying polymerization reactants including one or more monomers and a solvent to a reactor to obtain a polymer solution; supplying a stream including the polymer solution to a separator to separate an upper discharge stream including the solvent, wherein the solvent is in a gaseous phase, and a lower discharge stream including the polymer solution; heating a divergence stream including a part of the lower discharge stream from the separator by a heating device and refluxing the divergence stream to the separator; supplying a residue stream including a remainder of the lower discharge stream from the separator to a steam stripping process unit; and adjusting a vapor mass fraction of the divergence stream which is refluxed to the separator with a pressure adjustment valve after being heated by the heating device.

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte for a lithium secondary battery includes a lithium salt, a non-aqueous solvent containing a fluorine-based organic solvent, and a fluorine-based compound represented by Formula 1. In some embodiments, a lithium secondary battery includes a positive electrode, a negative electrode, a separator disposed therebetween, and the electrolyte.

Abstract: A display device according to an embodiment includes a light-emitting device disposed on a substrate and including an emission layer, and a light control layer disposed on the light-emitting device. The light control layer includes a plurality of light blocking patterns extending in a first direction and spaced in a second direction intersecting the first direction, and a transmission layer disposed among the plurality of light blocking patterns and including a transparent organic layer and a transparent inorganic layer that are alternately stacked on each other.