Abstract: A slot die coating device according to one embodiment of the present disclosure includes a slot die coater forming an internal space for housing an electrode slurry and a discharge passage in communication with the internal space to discharge the electrode slurry; and a block positioned in the internal space, wherein a first distance defined between a first inside portion and a second inside portion forming the internal space is greater than a second distance defined between a first discharge inside portion and a second discharge inside portion forming the discharge passage, and wherein the block comprises a first block facing the first inside portion and a second block facing the second inside portion.

Abstract: A display device and a method of manufacturing the same are provided. The display device comprises a substrate comprising a display area in which emission areas are arranged, a main non-display area around the display area, a hole area surrounded by the display area, and an additional non-display area between the hole area and the display area; a circuit layer; a light emitting element layer; a sealing layer; a through portion in the hole area and penetrating at least the substrate; and sealing auxiliary structures in the additional non-display area and sequentially surrounding the hole area. Each of the sealing auxiliary structures comprises a first undercut portion in which a first cover layer protrudes from a first main layer; and a second undercut portion in which a second cover layer protrudes from a second main layer.

Abstract: An electrified vehicle includes: a battery; a motor drive device configured to drive a motor through an inverter, based on a voltage of the battery; and a battery controller configured to determine whether to perform output limiting on the battery, based on whether a ratio of regenerative braking is less than or equal to a preset ratio, wherein the ratio of regenerative braking is varied according to an amount of charging of the battery and an amount of discharging of the battery within a preset time interval, and adjust, based on the output limiting being performed on the battery, a derate ratio associated with a battery output limit value.

Abstract: A display device includes a glass substrate including a first surface, a second surface opposite to the first surface, and a side surface between the first and second surfaces, an outermost structure disposed on the first surface and adjacent to an edge of the glass substrate, and a display area including a plurality of emission areas spaced apart from the edge on the first surface of the glass substrate. The side surface has a curved shape with the edge protruding to an outermost side of the glass substrate, the side surface includes a first side surface between the edge and the first surface, and a second side surface between the edge and the second surface and having a different curvature from the first side surface, and the glass substrate includes an edge area on the first surface, adjacent to the edge, and, in which processing traces are left.

Abstract: A resin composition for a semiconductor package according to an embodiment includes a resin composition that is a composite of a resin and a filler disposed in the resin, wherein the filler has a content in a range of 68 wt % to 76 wt % in the resin composition, wherein the filler includes a first filler group composed of fillers having a first diameter; a second filler group composed of fillers having a second diameter smaller than the first diameter; and a third filler group composed of fillers having a third diameter smaller than the second diameter, and contents of each of the first filler group, the second filler group, and the third filler group in the filler are different from each other.

Abstract: The present invention relates to a lithium battery cathode active material and a preparation method therefor, the material having an orientation formed by firing a density gradient precursor in which the density gradually changes from the inside of second particles, formed as an aggregate of primary particles, to the outside of the particles. The lithium battery cathode active material according to the present invention has an oriented structure, and thus can have a long lifespan and high capacity characteristics.

Abstract: The present disclosure includes a single-layer separator for a secondary battery including 60 to 80 wt% of porous aramid substrate, 17 to 30 wt% of inorganic matter, and 3 to 10 wt% of organic binder based on a total weight of the separator. The inorganic matter and the organic binder are impregnated into a pore of the porous aramid substrate.

Abstract: A circuit board according to an embodiment includes: an insulating portion including a plurality of insulating layers; a circuit pattern disposed on surfaces of the plurality of insulating layers; and a via passing through at least one insulating layer among the plurality of insulating layers; wherein the insulating portion includes: a first insulating portion including at least one insulating layer; a second insulating portion disposed on the first insulating portion and including a plurality of insulating layers; and a third insulating portion disposed under the first insulating portion and including a plurality of insulating layers; wherein the first insulating portion is formed of prepreg containing glass fibers, wherein at least one of the second insulating portion and the third insulating portion includes a resin coated copper (RCC) and a solder resist disposed on the RCC, wherein the circuit pattern is disposed on a surface of the solder resist, and wherein the via is formed passing through the solder

Abstract: A resin coated copper according to an embodiment includes: an insulating layer including a resin and a filler dispersed in the resin; and a copper foil layer disposed on the insulating layer, wherein the insulating layer has a plurality of pores formed on a surface in contact with the copper foil layer, and the plurality of pores have a width of 200 nm to 350 nm.

Abstract: A circuit board according to an embodiment comprises: an insulation layer; a circuit pattern disposed on the upper surface or under the lower surface of the insulation layer; and a buffer layer disposed on at least one surface of the upper surface and the lower surface of the insulation layer, wherein the buffer layer includes carbon, nitrogen, and oxygen, the ratio of the nitrogen to the carbon ((carbon/nitrogen)*100) is 5 to 15, and the ratio of the oxygen to the carbon ((carbon/oxygen)*100) is 15 to 30.

Abstract: The present invention relates to a positive active material for lithium secondary battery, its manufacturing method, and lithium secondary battery including the same, and it provides that a positive active material for lithium secondary battery, comprising: a core and a coating layer, wherein, the core is lithium metal oxide, the coating layer comprises boron, the boron compound in the coating layer comprises a lithium boron oxide and a boron oxide, the lithium boron oxide is included 70 wt % or more and 99 wt % in the entire coating layer, the lithium boron oxide comprises Li2B4O7, with respect to the lithium boron oxide 100 wt %, the content of Li2B4O7 is 55 wt % or more and 99 wt % or less.

Abstract: A positive electrode active material for a lithium secondary battery comprising a compound represented by Chemical Formula 1 is introduced. Li1+mNi1-w-x-y-zCowMnxM1yM2zO2-pXp??[Chemical Formula 1] (In the Chemical Formula 1, M1 and M2 are different from each other, and any one element selected from the group consisting of Al, Mg, Zr, Sn, Ca, Ge, Ti, Cr, Fe, Zn, Y, Ba, La, Ce, Sm, Gd, Yb, Sr, Cu and Ga respectively, X is any one element selected from the group consisting of F, N, S, and P, w, x, y, z, p and m are respectively 0.125<w<0.202, 0.153<x<0.225, 0?y?0.1, 0?z?0.1, 0.34?w+x?0.36, 0?p?0.1, and ?0.1?m?0.2.

Abstract: A pressure sensing insole according to an embodiment of the present invention includes: a first electrode layer including a first conductive region; a first adhesive layer disposed on the first electrode layer and including an insulating region; an intermediate layer disposed on the first adhesive layer; a second adhesive layer disposed on the intermediate layer and including an insulating region; and a second electrode layer disposed on the second adhesive layer and including a second conductive region.

Abstract: Provided are a composite separator for a secondary battery, a method for producing the same, and a lithium secondary battery including the same. Specifically, a composite separator for a secondary battery showing excellent physical properties such as thermal safety and electrochemical safety and also allowing simplification of a separator production process, a method for producing the same, and a lithium secondary battery including the same are provided.

Abstract: Provided are a composite separator for a secondary battery and a lithium secondary battery including the same, and specifically, a composite separator for a secondary battery showing excellent physical properties such as thermal safety and electrochemical safety, and a lithium secondary battery including the separator are provided.

Abstract: The present invention relates to a separator including a coating layer and a substrate, wherein phase-change peak temperatures measured by differential scanning calorimetry (DSC) at the time of a first temperature increase and at the time of a second temperature increase satisfy specific ranges, a method of producing the same, and an electrochemical device including the same. More particularly, the present invention relates to a separator that has improved thermal resistance and thus may improve battery safety and implement stable movement of lithium ions and a lithium secondary battery including the same.

Abstract: The present disclosure relates to a positive electrode active material for lithium secondary battery comprising a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2, wherein, a content of the first compound is 65 wt % or more based on 100 wt % of the positive electrode active material, and a lithium secondary battery comprising the same. Lia1Nib1Coc1Mnd1N1e1M2f1O2-f1 ??[Chemical Formula 1] Lia2Nib2Coc2Mnd2M3e2M4f2O2-f2 ??[Chemical Formula 2] wherein, each composition and molar ratio of Chemical Formulas 1 and 2 are as defined in the specification.

Abstract: The present disclosure relates to a positive active material for a lithium rechargeable battery and a lithium rechargeable battery including the same, which include a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, and a content of the first compound is 65 wt % or more based of the positive active material of 100 wt %. Lia1Nib1Coc1Mnd1M1e1M2f1O2-f1 ??[Chemical Formula 1] Lia2Nib2Coc2Mnd2M3e2M4f2O2-f2 ??[Chemical Formula 2] Chemical Composition 1 and 2 of each composition and molar ratio is as defined in the specification. Each composition and molar ratio of Chemical Formula 1 and 2 is as defined in the specification.

Abstract: The present invention relates to a lithium-titanium complex oxide, a preparation method thereof, and a lithium secondary battery comprising the same and, more specifically, to a lithium-titanium complex oxide which maintains appropriate pores within particles, and which is prepared by adding a pore inducing material in the wet-milling step to adjust sizes of primary particles of the lithium-titanium complex oxide, a preparation method thereof, and a lithium secondary battery comprising the same.

Abstract: A pressure sensing element may include: an intermediate layer having a structure in which at least two functional layers are stacked on each other; a first electrode layer including a plurality of first electrode patterns; and a second electrode layer to overlap the first electrode layer with the intermediate layer between the first and second electrode layers. Among the two functional layers, the first functional layer has a thickness linearly varying in a first pressure section, and the second functional layer has a thickness linearly varying in a second pressure section. The maximum pressure in the first pressure section is lower than that in the second pressure section, and the minimum pressure in the second pressure section is included in the first pressure section.