Abstract: Disclosed is a free-standing porous separator including a plurality of inorganic particles and a binder polymer positioned on the whole or a part of the surface of the inorganic particles to connect the inorganic particles with one another and fix them, wherein the binder polymer comprises a polyvinylidene fluoride (PVdF)-based binder polymer modified with an ester (COO)- or carboxyl (COOH)-containing monomer. An electrochemical device including the free-standing porous separator is also disclosed. It is possible to provide a porous separator which has a reduced dimensional change in an electrolyte, while showing improved tensile strength and/or elongation at the same time.

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: An embodiment method of detecting overheating during charging of a vehicle includes monitoring a temperature of a plug connected to an electrical outlet configured to supply a charging voltage for charging a battery of the vehicle, determining an average amount of change in temperature of the plug per unit time based on the temperature of the plug, and cutting off charging in response to the average amount of change in temperature of the plug per unit time exceeding a preset threshold range.

Abstract: Provided is an ultra-high-strength steel sheet including carbon (C): 0.1 wt % to 0.30 wt %, silicon (Si): 1.0 wt % to 2.0 wt %, manganese (Mn): 1.5 wt % to 3.0 wt %, aluminum (Al): more than 0 wt % and not more than 0.05 wt %, a sum of one or more elements selected from niobium (Nb), titanium (Ti), and vanadium (V): more than 0 wt % and not more than 0.05 wt %, phosphorus (P): more than 0 wt % and not more than 0.02 wt %, sulfur (S): more than 0 wt % and not more than 0.005 wt %, nitrogen (N): more than 0 wt % and not more than 0.006 wt %, and a balance of iron (Fe) and other unavoidable impurities, wherein a final microstructure of the ultra-high-strength steel sheet consists of tempered martensite, martensite, ferrite, and retained austenite, and wherein the ultra-high-strength steel sheet has a yield strength (YP) of 850 MPa or more, a tensile strength (TS) of 1180 MPa or more, and an elongation (El) of 14% or more.

Abstract: In the present invention, a buffer state of a mobile terminal is estimated based on a traffic pattern identified by profiling traffic of the mobile terminal to then preemptively allocate a resource. In order to prevent an allocated radio resource from being wasted, a resource requested through a buffer state report or the like is first allocated, and the remaining resources are preemptively allocated according to the estimated buffer state.

Abstract: The present disclosure relates to a dissolving microneedle for transdermal delivery of biopharmaceuticals and a method of manufacturing the same. In the dissolving microneedle of the present disclosure, since biopharmaceuticals form a nanocomposite with aminoclay, the stability of the biopharmaceuticals and the mechanical strength of the microneedle are high, and the skin permeability of the biopharmaceutical is increased, thereby greatly improving transdermal delivery efficiency.

Abstract: A steel sheet for hot press comprises carbon (C) in an amount of 0.03 to 0.15 wt %, silicon (Si) in an amount of 0.1 to 1.5 wt %, manganese (Mn) in an amount of 1.0 to 2.0 wt %, phosphorus (P) in an amount of 0.1 wt % or less, sulfur (S) in an amount of 0.01 wt % or less, boron (B) in an amount of 0.0005 to 0.005 wt %, a sum of one or more of titanium (Ti), niobium (Nb), and vanadium (V) in an amount of 0.01 to 1.0 wt %, chromium (Cr) in an amount of 0.01 to 0.5 wt %, the balance of iron (Fe), and other unavoidable impurities. The steel sheet for hot press includes MnS-based inclusions, and an area fraction of the MnS-based inclusions is 5% or less.

Abstract: An embodiment of an electrochemical system includes a reaction fluid supply line configured to supply a reaction fluid, a first gas-liquid separator connected to the reaction fluid supply line and configured to separate the reaction fluid into a gaseous reaction fluid and a liquid reaction fluid, a circulation line connected to the first gas-liquid separator and configured to allow the liquid reaction fluid to circulate therethrough, a water electrolysis stack provided in the circulation line, and a first bypass line having a first end at an upstream side of the water electrolysis stack and connected to the circulation line, and a second end at a downstream side of the water electrolysis stack and connected to the circulation line.

Abstract: The present disclosure relates to a secondary battery including an electrode assembly, a main tab electrically coupled to the electrode assembly, a sub-tab electrically coupled to the main tab, and extending away from the electrode assembly, an insulating member covering the main tab, and including a base plate contacting the main tab, and defining base plate through-holes, and one or more stacked plates stacked on the base plate, and defining stacked plate through-holes, a case accommodating the electrode assembly, the main tab, the sub-tab, and the insulating member, a side terminal electrically coupled to the sub-tab, and a cap plate to which the side terminal is coupled to pass therethrough, and sealing the case.

Abstract: A filter apparatus for an electrochemical device that improves durability and stability includes a supply line configured to supply a target fluid to an electrochemical device, a first filter part provided in the supply line, a second filter part positioned at a downstream side of the first filter part, a first bypass line having a first end positioned at an upstream side of the first filter part, and a second end positioned between the first filter part and the second filter part, a second bypass line having a first end positioned at a downstream side of the second filter part, and a second end positioned at the upstream side of the first filter part, and a third bypass line having a first end positioned between the first filter part and the second filter part, and a second end positioned at the downstream side of the second filter part.

Abstract: Provided is a cold-rolled steel sheet consisting of carbon (C): 0.23 wt % to 0.35 wt %, silicon (Si): 0.05 wt % to 0.5 wt %, manganese (Mn): 0.3 wt % to 2.3 wt %, phosphorus (P): more than 0 wt % and not more than 0.02 wt %, sulfur (S): more than 0 wt % and not more than 0.005 wt %, aluminum (Al): 0.01 wt % to 0.05 wt %, chromium (Cr): more than 0 wt % and not more than 0.8 wt %, molybdenum (Mo): more than 0 wt % and not more than 0.4 wt %, titanium (Ti): 0.01 wt % to 0.1 wt %, boron (B): 0.001 wt % to 0.005 wt %, a balance of iron (Fe), and unavoidable impurities, wherein a final microstructure of the cold-rolled steel sheet includes cementite, a transition carbide, and a fine precipitate, the transition carbide including ?-carbide having an atomic ratio of a substitutional element selected from Fe, Mn, Cr, and Mo, to C of 2.

Abstract: A secondary battery reduces or prevents the likelihood of lifting or twisting by increasing the fixing force between an electrode plate and a separator of a stacked electrode assembly, and reduces or prevents the likelihood of damage to an electrode plate due to being pressed by a lower insulating member of a cap assembly. A secondary battery may include an electrode assembly including first and second electrode plates alternately stacked with a separator therebetween, a first current collector plate coupled to the first electrode plate, a case accommodating the electrode assembly and the first current collector plate, a cap plate coupled to the case, a first terminal contacting the first current collector plate, and having an upper end penetrating the cap plate, and an insulating tape covering upper and lower surfaces of the electrode assembly, fixing the electrode assembly, and extending along a longitudinal direction of the cap plate.

Abstract: Provided is an ultra-high strength cold-rolled steel sheet, including: carbon (C): 0.23% to 0.40%; silicon (Si): 0.05% to 1.0%; manganese (Mn): 0.5% to 3.0%; vanadium (V): 0.01% to 0.12%; aluminum (Al): 0.01% to 0.3%; chromium (Cr): greater than 0% and 0.5% or less; titanium (Ti): greater than 0% and 0.1% or less; phosphorus (P): greater than 0% and 0.02% or less; sulfur(S): greater than 0% and 0.01% or less; and boron (B): 0.001% to 0.005%, based on % by weight; and a remainder being Fe and other unavoidable impurities, wherein a final microstructure includes tempered martensite having a volume fraction of 90% or more, wherein an average spacing between precipitates in the tempered martensite is 300 nm or more, an average size of the precipitates is 200 nm or less, and the number of precipitates having an average size of 40 nm or less is 25 or more based on an area of 20 ?m2 in the final microstructure.

Abstract: Provided are an ultra-high strength cold-rolled steel sheet whose microstructure has been controlled to have high strength and elongation, and a manufacturing method thereof. In accordance with an embodiment of the present disclosure, the ultra-high strength cold-rolled steel sheet includes: carbon (C): 0.28% to 0.45%; silicon (Si): 1.0% to 2.5%; manganese (Mn): 1.5% to 3.0%; aluminum (Al): 0.01% to 0.05%; chromium (Cr): greater than 0% and 1.0% or less; molybdenum (Mo): greater than 0% and 0.5% or less; a total of niobium (Nb), titanium (Ti) and vanadium (V): greater than 0% and 0.1% or less; phosphorus (P): greater than 0% and 0.03% or less; sulfur (S): greater than 0% and 0.03% or less; and nitrogen (N): greater than 0% and 0.

Abstract: According to an aspect of the present disclosure, provided is a hot stamping part including a steel plate that includes carbon (C) in an amount of 0.26 to 0.40 wt %, silicon (Si) in an amount of 0.02 to 2.0 wt %, manganese (Mn) in an amount of 0.3 to 1.60 wt %, phosphorus (P) in an amount of 0.03 wt % or less, sulfur(S) in an amount of 0.008 wt % or less, chromium (Cr) in an amount of 0.05 to 0.90 wt %, boron (B) in an amount of 0.0005 to 0.01 wt %, molybdenum (Mo) in an amount of 0.05 to 0.2 wt %, titanium (Ti) in an amount of 0.001 to 0.095 wt %, niobium (Nb) in an amount of 0.001 to 0.095 wt %, vanadium (V) in an amount of 0.001 to 0.

Abstract: A hot stamping part includes: a base material; a decarburization layer located on the base material; and an inner oxide layer located on the decarburization layer, wherein the hot stamping part has a tensile strength (TS) of 1680 MPa to 2000 MPa, and a hardness of the hot stamping part within a depth of 50 ?m from a surface of the hot stamping part in a plate thickness direction of the hot stamping part and an average hardness of the hot stamping part satisfy Relational Expression 1. ( A / B ) ? 0 . 7 < Relational ? Expression ? 1 > (In Relational Expression 1, A denotes the hardness (Hv(?50 ?m)) within the depth of 50 ?m in the plate thickness direction of the hot stamping part, and B denotes the average hardness (Hv(avg.)) of the hot stamping part.

Abstract: A hot stamping component includes: a base material; a decarburization layer located on the base material; and an inner oxide layer located on the decarburization layer, wherein the hot stamping component has a tensile strength (TS) of 1350 MPa to 1680 MPa, and a hardness of the hot stamping component within a depth of 50 ?m from a surface of the hot stamping component in a plate thickness direction of the hot stamping component and an average hardness of the hot stamping component satisfy Relational Expression 1. ( A / B ) ? 0 . 7 < Relational ? Expression ? 1 > (In Relational Expression 1, A denotes the hardness (Hv(?50 ?m)) within the depth of 50 ?m in the plate thickness direction of the hot stamping component, and B denotes the average hardness (Hv(avg.)) of the hot stamping component.

Abstract: The present invention provides an electromagnetic wave-absorbing composite material and a manufacturing method therefor, the electromagnetic wave-absorbing composite material comprising: a polymer composite including a refractive index-adjusting material therein; and a plurality of conductive wires formed on at least one surface of the polymer composite, wherein electromagnetic waves reflected in a matching frequency (f) range derived through Mathematical Formulas 1 to 3 described in the present invention are 0.2 dB or less.

Abstract: A secondary battery includes: a case having a prismatic shape; an electrode assembly in the case; and a cap assembly including a cap plate coupled to one end of the case, wherein the case includes a coupling portion provided in a shape concave from an inner surface toward an outer side along an upper region of at least some surfaces thereof, and the coupling portion includes an inclined surface, a connection surface, and a stepped portion.

Abstract: In one example, an electronic device includes a semiconductor sensor device having a cavity extending partially inward from one surface to provide a diaphragm adjacent an opposite surface. A barrier is disposed adjacent to the one surface and extends across the cavity, the barrier has membrane with a barrier body and first barrier strands bounded by the barrier body to define first through-holes. The electronic device further comprises one or more of a protrusion pattern disposed adjacent to the barrier structure, which can include a plurality of protrusion portions separated by a plurality of recess portions; one or more conformal membrane layers disposed over the first barrier strands; or second barrier strands disposed on and at least partially overlapping the first barrier strands. The second barrier strands define second through-holes laterally offset from the first through-holes. Other examples and related methods are also disclosed herein.