Abstract: A connection block facilitates connection between circular pipes with excellent fracture withstand pressure and has flow holes to allow fluid movement between pipes, a header connector connecting the connection block to a header pipe, and a condenser including of the same and a plurality of connection tubes in a plurality of rows. The connection block includes a first surface, a second surface spaced apart from the first surface, a pair of curved portions connecting ends of the first surface and ends of the second surface, and a plurality of flow holes penetrating through the curved portions, wherein the pair of curved portions have the same curvature in cross section, perpendicular to a longitudinal direction.

Abstract: A solid oxide cell includes a fuel electrode, an air electrode, and an electrolyte disposed between the fuel electrode and the air electrode. The fuel electrode includes a plurality of pore arrays arranged in a first direction. One of the plurality of pore arrays includes a plurality of pores arranged in a second direction. The first direction refers to a thickness direction of the electrolyte, and the second direction refers to a direction perpendicular to the first direction.

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 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: A battery insulation sheet including an aerogel layer. The aerogel layer includes: a fibrillized polymer matrix comprising a dry binder; and aerogel particles distributed in the fibrillized polymer matrix.

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 predictive maintenance algorithm providing method for bus maintenance priority determination according to the present invention includes operations of (a) grouping and classifying, by a data processing unit of an operational server, a plurality of buses to be monitored according to preset classification criteria, (b) receiving, by a monitoring unit of the operational server, bus monitoring information including a plurality of types of data collected by vehicle information collection devices installed on the buses for each group classified according to the operation (a), (c) performing, by the data processing unit, refinement on the bus monitoring information, (d) inputting, by the data processing unit, the bus monitoring information refined in the operation (c) as training data for an artificial intelligence machine to build an artificial intelligence model for determining bus maintenance priorities, (e) re-receiving, by the monitoring unit, the bus monitoring information collected by the vehicle informatio

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 battery insulation sheet includes a substrate, and an aerogel layer on the substrate, wherein the aerogel layer includes a fibrous support; an aerogel; and a functional material including a binder, a dispersant, or a combination thereof, and satisfies Formula 1 below: 50 ? A ? 100 , 000 , A = T i / D s , Formula ? 1 wherein, in Formula 1, Ti denotes a thickness of the aerogel layer, and Ds denotes an average diameter of the fibrous support.

Abstract: An aerogel composition for a battery insulation sheet, a method of preparing the same, a battery insulation sheet formed using the same, and a method of manufacturing the battery insulation sheet are provided herein. The aerogel composition includes a solvent, a fibrous support, an aerogel, an antifoaming agent, and a functional material including a binder, a dispersant, or a combination thereof, wherein the fibrous support is 5 wt % to 70 wt %, the aerogel is 10 wt % to 90 wt %, the antifoaming agent is 0.05 wt % to 2 wt %, and the functional material is 0.5 wt % to 20 wt %, with respect to a total solid amount of the aerogel composition.

Abstract: An aerogel composition for a battery insulation sheet is provided. The aerogel composition comprising: a solvent; a fibrous support; an aerogel; and a functional material including a binder, a dispersant, or a combination thereof. With respect to a total solid content of the aerogel composition, the fibrous support is present in a content range of 5 wt % to 70 wt %, the aerogel is present in a content range of 10 wt % to 90 wt %, and the functional material is present in a content range of 0.5 wt % to 20 wt %.

Abstract: A display apparatus includes a flexible display panel including a display area with a first folding area, the display area including an upper surface and a lower surface and displaying an image via the upper surface, a cover window disposed on the upper surface of the display area of the flexible display panel and an antenna layer including a first antenna disposed on an upper surface of the first folding area. The upper surface of the display area includes the upper surface of the first folding area. The first antenna is disposed between the upper surface of the first folding area and the cover window.

Abstract: Disclosed is a method for removing nitrogen and phosphorus from sewage and wastewater through a combination of a biological nitrogen and phosphorus removal process using nitrite nitrogen and an anaerobic ammonium oxidation process. An objective of an embodiment of the present invention is to provide an apparatus for removing nitrogen and phosphorus in which, by inducing a denitritation- and nitritation-based biological nitrogen and phosphorus removal process in a bioreactor and applying an anaerobic ammonium oxidation process, nitrogen and phosphorus can be economically and effectively removed without separately injecting organic materials.

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: A method for setting the motion vector list and the apparatus using the same may include determining the presence of a first motion vector or a second motion vector by a sequential determination process in a first spatial candidate prediction group; and setting the first motion vector or the second motion vector produced through the sequential determination process as the candidate prediction motion vector. Thus, the encoding/decoding time and the complexity can be reduced by restricting the scaling number in a process for scanning the candidate prediction motion vector.

Abstract: Disclosed are a method and device for bidirectional communication in a wireless LAN. The method of a first STA comprises the steps of: receiving, from an AP, a first frame including an information element indicating TXOP sharing; confirming a shared TXOP duration on the basis of the first frame; and communicating with a second STA within the shared TXOP duration.

Abstract: A light emitting element may include a semiconductor stack structure including an N-type semiconductor layer, a P-type semiconductor layer, and an active layer disposed between the N-type semiconductor layer and the P-type semiconductor layer, and an insulating layer disposed on a side portion of the semiconductor stack structure. The semiconductor stack structure may include a fluorinated area disposed adjacent to the insulating layer.

Abstract: A method and apparatus for NSTR communication in a communication system supporting multiple links are disclosed. A method for a first device comprises the steps of: if a first backoff operation has succeeded on a first link belonging to a first pair of NSTR links on which an STR operation of a second device is not supported, transmitting a first data frame to the second device on the first link; performing a second backoff operation for transmission of a second data frame on a second link belonging to the first pair of NSTR links; if the second backoff operation has succeeded on the second link, identifying whether or not a transmission operation of the second device is performed on the first link belonging to the pair of NSTR links; and transmitting the second data frame to the second device on the second link.

Abstract: A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.