Abstract: A battery pack includes a plurality of battery modules including module cases. Side surfaces of the module cases in which battery cells are accommodated face each other and a water injection hole is formed in a top surface of each of the module cases, and a fire extinguishing tank unit containing a fire extinguishing agent, located over the plurality of battery modules, and configured to supply the fire extinguishing agent only into a battery module in which a thermal event occurs from among the plurality of battery modules through the water injection holes.

Abstract: The present invention relates to a method for preparing a crystalline functional sweetener, and more specifically, relates to a method for preparing a crystalline functional sweetener for raising the crystallization yield and increasing the particle size by controlling the content of impurities or production of impurities comprised in a solution for preparing the crystal.

Abstract: A battery can include an electrode assembly having a first electrode, a second electrode and a separator. The first electrode can include a first active material region coated with an active material layer along a winding direction and a first uncoated region not coated with the active material layer, and at least part of the first uncoated region used as an electrode tab. The battery can further include a first current collector coupled to at least part of the first uncoated region on the electrode assembly, a battery housing to accommodate the electrode assembly and the first current collector, and an insulator between an inner surface of the battery housing facing the first uncoated region or the first current collector and the first uncoated region or the first current collector to block the electrical connection between the first uncoated region and the battery housing.

Abstract: An electrode assembly includes a first electrode; a second electrode; and a separator, the first electrode, the second electrode, and the separator wound about an axis defining a core and an outer circumference of the electrode assembly. The first electrode has a pair of first sides and a pair of second sides, a first portion extending between the pair of first sides, and a second portion extending between the pair of first sides, the first portion being coated with an active material, and at least a part of the second portion includes an electrode tab. The second portion includes a first part adjacent to the core of the electrode assembly, a second part adjacent to the outer circumference of the electrode assembly, and a third part between the first part and the second part. The first or second part has a smaller height than the third part.

Abstract: A semiconductor device and a method of fabricating the same are provided. According to the present invention, a semiconductor device comprises an active region formed in a substrate, and including flat surfaces and hole-shaped recess portions; upper-level plugs disposed over the flat surfaces; a spacer disposed between the upper-level plugs and providing a trench exposing the hole-shaped recess portions; a lower-level plug filling the hole-shaped recess portions; and a buried conductive line disposed over the lower-level plug and partially filling the trench.

Abstract: Provided are an optical member and an optical display device comprising same, the optical member comprising a support layer and an optically functional layer laminated on one surface of the support layer, wherein: the optically functional layer includes a groove having inclined surfaces; at least one convex portion extending from the flat portion of the optically functional layer is formed at each of the inclined surfaces; the convex portion is a curved surface with a radius of curvature of 1 mm or greater, and each of the inclined surfaces satisfies expression 1.

Abstract: A battery includes an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first region coated with an active material and a second region at a first side and adjacent to the first region, the second region being exposed beyond the separator, and at least part of the second region is an electrode tab; a housing including a first end with a first opening, the housing accommodating the electrode assembly; a first current collector including an edge portion on the electrode assembly, a second region coupling portion extending from the edge portion and coupled with the second region, and a terminal coupling portion spaced apart from the second region coupling portion; and a terminal coupled with the terminal coupling portion.

Abstract: An electrode assembly, a battery, and a battery pack and a vehicle including the same are provided. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes a first portion coated with an active material and a second portion at a first side and adjacent the first portion, the second portion being exposed beyond the separator along a first axial direction of the electrode assembly. A part of the second portion is bent in a radial direction of the electrode assembly forming a first surface region including stacked layers of the second portion, and in a partial region of the first surface region, a number of the stacked layers of the second portion is 10 or more in the in the first axial direction.

Abstract: A comment management method manages a plurality of comments written about content and selects at least one first comment from among the plurality of comments based on a first condition that is based on feedback from users for each of the plurality of comments, selects a second comment based on the feedback and a second condition that is based on the time at which a comment is written, and distinguishably displays the first comment and the second comment on a user terminal that displays the content.

Abstract: A porous base layer includes a base layer body stacked on a membrane electrode assembly (MEA), and a protrusion pattern provided on one surface of the base layer body that faces the membrane electrode assembly, the protrusion pattern being configured to define a guide flow path for guiding a movement of a target fluid between the membrane electrode assembly and the base layer body, obtaining advantageous effect of improving performance and operational efficiency.

Abstract: A separator for lithium-ion secondary batteries is characterized in that DPVDF is dip-coated on the separator and crosslinked. A material of the separator is selected from polyethylene (PE), polypropylene (PP), cellulose acetate (CA), polyvinylidene fluoride (PVDF), polyethersulfone (PES), or polyethylene terephthalate (PET). A method for manufacturing the separator includes: synthesizing polyvinylidene fluoride (DPVDF) including a double bond by dehydrochlorinating poly(vinylidene fluoride-co-chlorotrifluoroethylene [P(VDF-CTFE)]; coating a separator by dipping in a dipping solution formed by dissolving the DPVDF in an organic solvent; and crosslinking the DPVDF coated on the separator by performing a radical reaction by heat treatment.

Abstract: A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block.

Abstract: A battery pack includes a battery module having at least one battery cell, a control module connected to the battery module and configured to manage the battery module, a fire extinguishing tank containing a fire extinguishing agent and coupled to at least one of the battery module and the control module, and a side cover mounted on one side of the fire extinguishing tank and configured to guide electrical connection between the battery module and the control module.

Abstract: In the electrode assembly, the first uncoated portion provided at a long side end of a first electrode includes a segment region divided into a plurality of independently bendable segments by a plurality of cut grooves provided along a winding direction. The segment region includes a plurality of segment groups disposed with a group separation pitch along the winding direction. The plurality of segment groups constitute at least one segment alignment on one side of the electrode assembly. At least some of central points of winding turn arcs where the p number of segment groups are located are not located on a predetermined alignment line extending in the radial direction from the center of the core.

Abstract: An energy storage system including a housing having an internal space; a plurality of battery modules accommodated in the internal space; a door portion coupled to the housing in such a manner as to be openable or closable; a cooling unit configured to supply a refrigerant to the internal space; and a guide unit disposed on one side of the cooling unit to guide a flow of the refrigerant, is disclosed.

Abstract: An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. In the electrode assembly, the uncoated portion of an electrode includes a segment region divided into a plurality of segments, and the segment region includes a plurality of segment groups separated by a group separation pitch along a winding direction. One end of the electrode assembly includes a plurality of segment alignments. In winding turns corresponding to the plurality of segment alignments, group separation pitches of segment groups disposed in a same winding turn are substantially identical, and separation pitches of the segment groups is greater in a winding turn of a region adjacent to the outer circumference of the electrode assembly than in a winding turn of a region adjacent to the core of the electrode assembly.

Abstract: The present invention relate to an antenna apparatus, and more particularly, to an antenna apparatus including an antenna housing part formed in a form of an enclosure opened at a front side thereof, a board assembly disposed to be tightly attached to an internal space defined by the antenna housing part, and a plurality of antenna RF modules arranged on a front surface of the board assembly, in which the antenna housing part is divided into at least three components, and the components are manufactured and then coupled to one another to prevent distortion caused by thermal stress between upper and lower ends due to a difference in heat generation amount between heating elements mounted on the board assembly, thereby preventing the antenna housing part from being distorted by thermal stress caused by imbalance of heat generated from the heating elements, and solving a PIMD problem by preventing an unintended movement and clearance of the internal antenna RF modules.

Abstract: A battery management apparatus can include a measuring unit connected to a battery and configured to operate in a measurement mode during a predetermined measurement time at each preset measurement cycle and measure battery information including at least one of voltage and temperature of the battery while operating in the measurement mode, and a control unit configured to operate in a communication mode during a preset operation time at each preset communication cycle, receive the battery information from the measuring unit while operating in the communication mode, set a next operation time point at which the measuring unit is to operate in the measurement mode based on at least one of the communication cycle and a measurement time, and change an operation time to operate in the communication mode at each subsequent communication cycle to correspond to the measurement time.

Abstract: A wireless power receiver is disclosed. A wireless power receiver according to various embodiments of the present disclosure includes a resonant reception unit configured to receive wireless power by a resonance scheme; an inductive reception unit configured to receive wireless power by an induction scheme; and a power processing unit configured to process wireless power received at the resonant reception unit and the inductive reception unit. When the wireless power is received by the induction scheme, a current flowing in the inductive reception unit is greater than a current flowing in the resonant reception unit, and when the wireless power is received by the resonance scheme, a current flowing in the resonant reception unit is greater than a current flowing in the inductive reception unit.