Abstract: A heat transfer fin includes a fin body having a plate shape, a plurality of through-holes famed through the fin body and spaced apart from each other in a first direction, in which a heat exchange pipe is inserted into the plurality of through-holes and heating water flows along an empty space in the heat exchange pipe, and two outer body portions protruding outward from at least partial areas of opposite ends of the fin body with respect to the first direction. Each of the outer body portions includes a contact portion that makes contact with a heat-insulating pipe with a heat-insulating side plate therebetween and that has a shape corresponding to at least a partial area of an outer surface of the heat-insulating pipe through which the heating water flows and a separated portion spaced apart from the heat-insulating side plate to form a gap.

Abstract: A battery management system is provided. According to an embodiment of the present disclosure, the battery management system for managing a battery pack including a plurality of battery modules may include a plurality of individual battery management units respectively corresponding to the plurality of battery modules and a management module configured to integrally manage the plurality of individual battery management units, wherein each of the individual battery management units includes a state-of-health (SOH) calculator to calculate SOH of each of the plurality of battery modules and a state-of-charge (SOC) calculator to calculate SOC of each of the plurality of battery modules, the management module manages a performance state of all of the plurality of battery modules on the basis of the SOH and SOC of each battery module and the SOC of each battery module is corrected by the SOH of each battery module.

Abstract: A battery module, includes a battery cell stack in which a plurality of battery cells are stacked; and a heat dissipation plate coupled to one side of the battery cell stack to discharge heat generated in the battery cells externally, wherein the battery cell stack includes a first blocking member formed of an insulating material and disposed between the plurality of battery cells to provide a plurality of insulating spaces, wherein the plurality of battery cells are distributedly disposed in the plurality of insulating spaces.

Abstract: A battery pack includes a plurality of battery modules including a first battery module and a second battery module; and a busbar electrically connecting the first battery module and the second battery module, wherein the first battery module or the second battery module includes a vent hole in a portion corresponding to a portion of the busbar.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: A battery module includes: a plurality of battery sub-packing units including at least one battery cell and a case in which the at least one battery cell is accommodated; and a body frame unit in which the plurality of battery sub-packing units are installed, the body frame unit surrounding the plurality of battery sub-packing units to be isolated, wherein the case may include a sub vent hole for allowing communication between an interior of the case and an exterior of the case in which the at least one battery cell is disposed.

Abstract: A battery module includes a plurality of battery sub-packing units including at least one battery cell and a case in which the at least one battery cell is accommodated, and a body frame unit surrounding upper portions and outermost side portions of the plurality of battery sub-packing units, where lower portions of the plurality of battery sub-packing units are directly exposed to the outside.

Abstract: A display device includes: a display module comprising a first non-folding area, a second non-folding area, and a folding area between the first non-folding area and the second non-folding area; a first plate under the display module at the first non-folding area; and a second plate under the display module at the second non-folding area and spaced apart from the first plate, at least one of the first or second plates comprising: a first support layer; a second support layer facing the first support layer; and an encapsulation layer between the first and second support layers along an edge of the first and second support layers and encapsulating a separation space formed between the first and second support layers in a corresponding non-folding area of the first and second non-folding areas.

Abstract: A battery cell includes a casing having an accommodation space formed therein and having one or both ends open; a cover plate covering one or both open ends of the casing; and an electrode assembly accommodated in the accommodation space, in which a plurality of electrode plates are stacked with a separator interposed therebetween. The electrode assembly includes electrode connection portions, respectively extending from the plurality of electrode plates; and a terminal bonded to the electrode connection portion and having a portion exposed outwardly through the cover plate.

Abstract: A backlight unit suitable for use as an illuminator for liquid crystal display devices. The backlight unit comprises a glass light guide plate with a glass sheet including a first glass surface comprising a plurality of channels separated by peaks and arranged periodically therein, and a plurality of light emitting diodes arranged in an array along at least one edge surface of the glass sheet.

Abstract: A battery module, includes: a battery cell stack in which a plurality of battery cells are stacked; a first heat dissipation member disposed on one side of the cell stack; a second heat dissipation member disposed on the other side of the cell stack; and a blocking member providing a plurality of insulation spaces in which the battery cells are disposed, the blocking member surrounding at least one surface of each of the battery cells; wherein the plurality of the battery cells, include a first battery cell having a surface contacting the first heat dissipation member; and a second battery cell having a surface contacting the second heat dissipation member.

Abstract: Disclosed are a method and a system for solar photovoltaic power station and the system includes: an unmanned aerial vehicle flying over the sky of a plurality of solar photovoltaic panels included in a solar photovoltaic power station and obtaining and providing a monitoring image by photographing the solar photovoltaic panel; and a computing device correcting the monitoring image and obtaining the corrected monitoring image, and executing a solar photovoltaic power station monitoring application of performing a malfunction area inspection process for the solar photovoltaic panel based on the obtained corrected monitoring image.

Abstract: An aspect of the present disclosure provides a flow channel cap plate that constitutes a combustion chamber assembly including a combustion chamber and a plurality of insulating pipelines disposed on left/right side surfaces of the combustion chamber, the flow channel cap plate forming an insulating flow channel by covering the front surface of the combustion chamber, the flow channel cap plate including an inlet part including an inlet, and an inlet flow channel cap covering the front surface of the combustion chamber, an inlet space part is formed by covering the front surface of the combustion chamber with the inlet flow channel cap, the inlet is an entrance of the insulating flow channel, the plurality of insulating pipelines include a plurality of inlet insulating pipelines, and the inlet space part is a space that communicates the inlet with the plurality of inlet insulating pipelines.

Abstract: According to an aspect of the present disclosure, a turbulator inserted into a tube of a heat exchanger, when it is assumed that the water flows horizontally along a water flow direction along the tube and a combustion gas flows vertically from an upper side to a lower side to cross the tube, and a direction that is perpendicular to both the water flow direction and an upward/downward direction is defined as a leftward/rightward direction, a body part extending along the water flow direction, having a plate shape that is perpendicular to the leftward/rightward direction, and inserted into the tube, and an upstream side wing part protruding from an upstream side portion of the body part with respect to the water flow direction along at least one direction of the leftward/rightward direction and extending in a direction that is inclined upwards with respect to the water flow direction.

Abstract: An electronic device includes a display module including a first region exposed to an outside in first and second modes and a second region extending from the first region, where the second region is partially opposite to the first region in the first mode or is partially exposed in the second mode, the second region includes a curved region in the first mode and a flat region extending from the curved region and opposite to the first region, a supporting member disposed below the display module, a case which contains the display module and the supporting member, where the first and second modes are determined based on a sliding motion of the case, and a wireless charging coil which is contained in the case and shielded by the supporting member in the first mode, and does not overlap the supporting member in the second mode.

Abstract: An electronic device which includes a housing is provided. The housing includes a first surface, a second surface facing away from the first surface, and a side member surrounding a space between the first surface and the second surface, a display that is exposed through a substantial portion of the first surface of the housing, a first radiator that forms a portion of the side member, a PCB that is positioned within the housing and includes a ground layer, a communication circuit that is positioned on the PCB, and a conductive pattern having a length corresponding to a length of the first radiator.

Abstract: A battery module includes: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path.

Abstract: A battery module which may prevent or delay a short circuit with respect to nail penetration includes a cell assembly including a plurality of cells electrically connected to each other, an outer case of the battery module, covering the cell assembly, and an elastic refractory material provided in a region between the outer case of the battery module and an outermost cell of the cell assembly or a region between one of the cells and an adjacent cell in the battery module, wherein the elastic refractory material includes an elastic layer and a heat conductive layer.

Abstract: The present invention relates to a device and method for reconstructing low-frequency conductivity images using MRI without current injection. In the device according to the present invention, low-frequency conductivity is deduced using high-frequency conductivity obtained using MR-EPT, the calculated directional tensor of ions from the water diffusion tensor in a subject, and the volume fractions and diffusion coefficients of the intracellular/extracellular spaces, and low-frequency conductivity images are reconstructed based on the deduced low-frequency conductivity. According to the present invention, low-frequency conductivity images in a subject to be measured such as the human body and an object may be reconstructed using an MRI device without applying current to the subject.

Abstract: Provided are a heat exchange method of tap water using a heat exchanger, and the heat exchanger. The content of residual chlorine in the tap water is about 2 ppm or more, the heat exchanger comprises a plurality of heat plates, which comprise ferritic stainless steel, and copper brazing configured to couple the heat plates, and the ferritic stainless steel contains less than about 0.5 wt % of nickel, about 0.1 wt % to about 2 wt % of copper, and about 0.03 wt % or less of carbon.