Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including a first electrode, a second electrode, and a separator positioned between the first electrode and the second electrode; a case having an internal space accommodating the electrode assembly and an opening with one opened side; a cap plate coupled to the opening of the case and having a terminal hole exposing the internal space; and an electrode terminal electrically connected to the electrode assembly through the terminal hole and overlapping the cap plate, wherein the separator has a greater width than the first electrode and the second electrode, and the separator is in contact with the internal bottom surface of the case.

Abstract: An energy storage system may include a battery pack having a plurality of battery cells, a power converter, a pump which supplies a fluid to the battery pack or the power converter, a radiator which heat-exchanges the fluid flowing by the pump with air, a first valve which sends a fluid discharged from the pump to the power converter or the battery pack, and a second valve which sends the fluid discharged from the power converter to the battery pack or the radiator.

Abstract: An example wearable electronic device includes a housing including a rear cover having a first hole and at least partially contacting a body of a user while the wearable electronic device is worn by the user, a first biometric sensor disposed in the housing and aligned with the first hole, wherein the first biometric sensor includes a first lens disposed in the first hole and is configured to detect first biometric information of the user based on light of a designated wavelength band, which passes through the first lens, a second biometric sensor disposed in the housing and disposed to face the rear cover, wherein the second biometric sensor is configured to detect second biometric information that is different from the first biometric information, and a blocking structure that prevents or reduces foreign substances from being introduced through the first hole.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case connected to the first electrode to house the electrode assembly and including an opening to expose the electrode assembly; a cap plate coupled with the case to cover an outer region of the opening and including a through-hole to expose a center region of the opening; and a terminal plate connected to the second electrode to be insulated from and bonded to the cap plate, and including a flange part covering the through-hole and a protruded part penetrating the through-hole from the flange part.

Abstract: A drone station according to an embodiment of the present disclosure comprises: a roof allowing a drone to land thereon; a side wall formed to be erected around all sides of the roof from the lower side of the roof; a nozzle which is formed at an edge at which the roof and the side wall meet each other, and sprays an air current upward; a grill formed on the side wall to allow external air to be introduced thereinto; a guide panel disposed inside the grill to guide fluid flow so that fluid flows from the grill to the nozzle; and a rotor disposed inside the guide panel to move fluid from the grill side to the nozzle side through a rotating operation.

Abstract: An electronic device is disclosed, including a housing including a first surface forming a front surface of the electronic device, a second surface facing away from the first surface, and a side surface surrounding an interior space defined between the first surface and the second surface, a key structure forming part of the side surface and extending into the interior space, the key structure including an electrode member partially exposed to an exterior environment, wherein the electrode member partially extends into the interior space, a display disposed in the housing so as to be visible through the first surface from the exterior environment, an internal structure disposed between the display and the second surface, wherein the internal structure includes a printed circuit board, and a conductive structure protruding from the internal structure, wherein the conductive structure is electrically connected with the electrode member of the key structure.

Abstract: A coral reef-like nickel phosphide-tungsten oxide nanocomposite is disclosed. The coral reef-like nickel phosphide-tungsten oxide nanocomposite has a structure in which algae-like transition metal-doped nickel phosphide nanosheets are deposited on coral-like tungsten oxide nanostructures grown vertically on a substrate. This structure allows the coral reef-like nickel phosphide-tungsten oxide nanocomposite to have a large surface area, which leads to a significant increase in the number of catalytic active sites, and ensures high conductivity and electrochemical stability of the coral reef-like nickel phosphide-tungsten oxide nanocomposite. Due to these advantages, the coral reef-like nickel phosphide-tungsten oxide nanocomposite has a low overpotential and superior hydrogen evolution reaction or oxygen evolution reaction efficiency when applied to a water splitting catalyst under alkaline conditions.

Abstract: The present disclosure relates to a transition metal-doped nickel phosphide nanostructure, a method for preparing the same, and a catalyst for electrochemical water decomposition including the transition metal-doped nickel phosphide nanostructure. More specifically, a transition metal-doped nickel phosphide nanostructure can be prepared by converting a zinc oxide nanostructure grown on a substrate vertically by hydrothermal synthesis to a transition metal-doped nickel oxide nanostructure by cation exchange and then phosphorizing the nickel oxide. The transition metal-doped nickel phosphide nanostructure of the present disclosure is advantageous in that it has superior catalytic activity and conductivity due to large surface area. In addition, when used as a catalyst for water decomposition under an alkaline condition, it has a low overvoltage and can have excellent catalytic activity for hydrogen evolution reaction or oxygen evolution reaction.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case configured to be connected to the first electrode and accommodate the electrode assembly, and including an opening to expose the electrode assembly; a cap plate configured to be coupled to the case to cover an outer area of the opening, and including a through-hole to expose a central area of the opening; a terminal plate configured to cover the through-hole and to be connected to the second electrode; and a thermal-fusion layer configured to be arranged between the cap plate and the terminal plate and to insulation-bond the cap plate and the terminal plate, and the thermal-fusion layer includes a plurality of layers including a thermoplastic resin layer.

Abstract: Disclosed is an electronic device. The electronic device includes: a housing including a side wall at least partially configured as an antenna, a first printed circuit board disposed in the housing and including at least one ground part, a second printed circuit board, wherein the second printed circuit board includes an extension part extending along the side wall of the housing, a first part extending from one end of the extension part and connected to the first printed circuit board, and a second part extending from an opposite end of the extension part and electrically connected to the at least one ground part, at least one component disposed on the extension part, and a processor disposed on the first printed circuit board, and operatively connected to the at least one component through the first part of the second printed circuit board.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case connected to the first electrode and accommodating the electrode assembly, the case including an opening to receive the electrode assembly; a cap plate bonded to the case to cover an outer region of the opening and including a through-hole to expose a center region of the opening; a terminal plate bonded to and insulated from the cap plate, covering the through-hole, and connected to the second electrode; and a terminal plating layer coated on an upper surface of the terminal plate, and a thickness of a center portion of the terminal plating layer overlapping the through-hole is thicker than a thickness of an outer portion of the terminal plating layer overlapping the upper surface of the terminal plate.

Abstract: An air-quality detection apparatus is disclosed. The air-quality detection apparatus includes a casing body including a bottom and a side wall extending upwards from the circumference of the bottom, a first printed circuit board (PCB) disposed horizontally above the bottom, a temperature/humidity sensor mounted on the bottom surface of the first PCB, a second PCB disposed horizontally above the first PCB, and a CO2 sensor mounted on the second PCB.

Abstract: A tensor data processing method is provided. The method comprises receiving an input tensor including at least one of an outlier and a missing value, the input tensor being input during a time interval between a first time point and a second time point, factorizing the input tensor into a low rank tensor to extract a temporal factor matrix, calculating trend and periodic pattern from the extracted temporal factor matrix, detecting the outlier which is out of the calculated trend and periodic pattern, updating the temporal factor matrix except the detected outlier, combining the updated temporal factor matrix and a non-temporal factor matrix of the input tensor to calculate the real tensor and recovering the input tensor by setting data corresponding to a position of the outlier or a position of the missing value of the input tensor from the data of the real tensor as an estimated value.

Abstract: An electronic device is disclosed, including a housing having a front plate, a back plate facing the front plate, and a side frame surrounding a space defined between the front and back plates, a circuit board disposed within the housing, a module assembly disposed between the circuit board and the back plate, and electrically connected with the circuit board, wherein the module assembly includes: an optical sensor module including a flexible printed circuit board (FPCB) including a first surface and a second surface facing away from the first surface, a light emitting part disposed on the first surface of the FPCB, and a light receiving part disposed on the first surface spaced apart from the light emitting part, and a wireless charging module surrounding the FPCB of the optical sensor module, and at least partially coupled to the FPCB so as to be integrated with the FPCB.

Abstract: A laundry treatment apparatus that includes a cabinet having an opening; a drawer dischargeable from the cabinet through the opening; a receiving unit provided in the drawer for receiving water and laundry; a drain pump for discharging water from the receiving unit; a drain channel extending through a reference point set to be higher than a highest level of water that can be stored in the receiving unit, the drain channel being located outside the cabinet; and a connection channel located in the cabinet for connecting the drain pump and the drain channel to each other, wherein at least a portion of the drain pump is located lower than a bottom surface of the receiving unit is disclosed.

Abstract: The present invention relates generally to a safety-enhanced can lid, and more particularly to a safety-enhanced can lid in which a prevention portion configured to prevent a user's hand from being cut is provided along the edge of the lid that is coupled to seal a can, thereby enabling safe use. For this purpose, the present invention provides a can lid that is coupled to the top side of a container in which contents are stored, the can lid including: a plate laid to cover the top portion of the container, composed of a flat plate, and provided with a pull tab on the top surface thereof; and a hand-cut prevention portion including a cut prevention wall bent downward from the edge of the plate toward the container.

Abstract: A gas heat pump system is disclosed. The gas heat pump system includes an air conditioning module including a compressor, an outdoor heat exchanger, an expansion device, an indoor heat exchanger and a refrigerant pipe, an engine module including an engine configured to burn a mixture of fuel and air and provide power for operation of the compressor, a cooling module including a cooling water pump configured to generate flow of cooling water for cooling the engine and a cooling water pipe connected to the cooling water pump to guide flow of cooling water. The engine module includes a mixer configured to discharge the mixture of air and fuel to the engine, a supercharger disposed between the mixer and the engine to compress the mixture discharged from the mixer and discharge the mixture to the engine, and an adjuster disposed between the supercharger and the engine to adjust an amount of compressed mixture supplied to the engine.

Abstract: Disclosed is an air-quality detection apparatus including a casing body including a bottom and a side wall, a first printed circuit board (PCB) disposed horizontally above the bottom, a second PCB disposed horizontally in a first region above the first PCB, a CO2 sensor mounted on the second PCB, a volatile organic compound (VOC) sensor mounted in a second region on the first PCB that is closer to the side wall than the first region, a third PCB, which is disposed horizontally at a position spaced further upwards apart from the bottom than the first PCB and at least a portion of which is disposed in a third region that does not overlap the first PCB when the bottom is viewed from above, a fourth PCB disposed horizontally above the second PCB and the third PCB, and a dust sensor mounted on the fourth PCB.

Abstract: A deformable wheel according to the present invention is characterized by comprising: a plurality of lobes; wheel spokes connected to the plurality of lobes, respectively; and hinges pivotably connecting the wheel spokes to the lobes, wherein the wheel spokes are capable of two degree-of-freedom motion, and the plurality of lobes either form a circular shape due to the two degree-of-freedom motion of the wheel spokes, or separate from each other to form a deformed shape.

Abstract: Various embodiments may provide an electronic device for incremental lossless summarization of a dynamic massive graph and an operating method thereof. In the electronic device and the operating method thereof according to various embodiments, a summary graph created from a massive graph and the differences between the massive graph and the summary graph may be stored, a changed edge may be detected from the massive graph, changed nodes connected by the changed edge may be detected based on the changed edge, and the summary graph and the edge corrections may be updated based on each of the changed nodes.