Abstract: A battery system includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other, and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.

Abstract: The present disclosure relates to an electrode for a secondary battery and a method of manufacturing an electrode for a secondary battery. The electrode for a secondary battery according to one embodiment of the present disclosure includes an electrode current collector including a coated portion and an uncoated portion, an active material layer located on the coated portion of the electrode current collector, a dimple portion formed on the surface of the uncoated portion, and a plastic deformation layer formed on the surface of the dimple portion.

Abstract: Disclosed are an apparatus for treating a substrate and a method of treating a substrate using a supercritical fluid. The apparatus includes: a chamber for providing a treatment space for treating a substrate; and a treatment fluid supply unit for supplying a treatment fluid to the treatment space, in which treatment fluid supply unit includes: a tank for storing the treatment fluid; a heating unit for heating the treatment fluid in the tank to convert the treatment fluid from a first state to a second state; an inlet line for introducing the treatment fluid in the first state into the tank; a supply line for supplying the treatment fluid of the second state from the tank to the chamber; a circulation line for circulating the treatment fluid in the tank; a first valve installed in the circulation line; and a temperature drop member installed in the circulation line to lower a temperature of the treatment fluid flowing through the circulation line.

Abstract: A battery container has improved energy density and can be used in an energy storage system. The battery container includes a container body, a coupling unit configured to couple different container bodies, and a load support unit configured to support a vertical load of the container body.

Abstract: The present disclosure relates to an electrode for a secondary battery, including: an electrode current collector including a coated portion and a non-coated portion, and an active material layer located on the coated portion of the electrode current collector, wherein at least perforated portion is formed on the boundary surface between the coated portion and the non-coated portion.

Abstract: The present disclosure relates to a coding test device and a coding test method. The coding test device according to one embodiment includes a problem provider for providing a test problem including an initial condition to a user terminal, a code receiver for receiving first algorithm code corresponding to the initial condition from the user terminal, and an additional condition provider for determining whether a predetermined passing condition for the first algorithm code is satisfied and providing an additional condition related to the initial condition to the user terminal based on the result of determination for the first algorithm code.

Abstract: An energy storage system according to the present disclosure includes at least one battery rack including a plurality of stacked battery modules; a container accommodating the at least one battery rack, wherein the container includes a bottom plate in which the at least one battery rack is disposed; and a fire fighting water collection chamber disposed lower than the bottom plate and having at least one side in communication with the bottom plate to allow a fire fighting water dropped from the at least one battery rack to enter.

Abstract: A digital exposure system according to an exemplary embodiment of the present invention includes a light source that radiates light onto a substrate, a digital mirror device that forms a two-dimensional pattern image by selectively transmitting light emitted from the light source, an optical system that modulates the two-dimensional pattern image into a one-dimensional pattern image, and a substrate scanner that adjusts the position of the substrate to continuously project the one-dimensional pattern image onto a photosensitive layer on the substrate for scan exposure, and the two-dimensional pattern image has a uniform image in a direction parallel with a scan direction for the substrate and has an image of a target pattern in a direction perpendicular to the scan direction for the substrate.

Abstract: A battery rack according to the present disclosure includes a plurality of battery modules; a rack case having receiving portions, each receiving portion configured to and receive one of the plurality of battery modules at each predetermined height, and each receiving portion having a structure in which upper and lower sides and left and right sides are closed and front and rear sides are open; a fire fighting water supply pipe connected to each of the battery modules disposed in the receiving portions which supplies a fire fighting water when a fire occurs; and a drain guide disposed on an outer surface of the rack case including at least one surface of a front outer surface or a rear outer surface of the rack case, the drain guide being configured to guide drainage of the fire fighting water.

Abstract: Provided is a heat dissipating substrate including a diamond substrate, wherein an upper portion of the diamond substrate has a concave-convex structure including recessed regions that are spaced apart from each other, and insulation patterns that fill the recessed regions. The insulation patterns include at least one of silicon carbide, silicon nitride, silicon oxide, aluminum nitride, and aluminum oxide.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: An aerosol generating device includes: a housing; a first printed circuit board arranged to extend along one surface of the housing; and a second printed circuit board arranged in the housing, and on which a processor configured to generate a control signal is mounted, the second printed circuit board extending in a direction crossing a direction in which the one surface of the housing extends.

Abstract: An apparatus for testing a multimedia device includes a database log tracking device that transmits a log of a first terminal and a processor that monitors the log to detect a predetermined event, obtains event execution information at a timing when the event occurs from the first terminal and a second terminal interworking with the first terminal in response to that the event is detected, and compares the event execution information with predetermined reference information to determine operation states of the first and second terminals.

Abstract: Provided are a core material (10) formed in a structure in which a fiber glass (10A) and an aramid (10B) are woven and stacked; an outer cover member (20) formed by attaching high-density polyethylene (20A) and impregnated kraft paper (20B) to an outside of the core material (10); and a non-flammable member (30) formed by attaching an acrylic resin (30A) and a ceramic coating material (30B) to at least one surface of the outer cover member (20). Therefore, it is possible to prevent deterioration of bulletproof power due to detachment and breakage caused by bullets in the event of a gun accident, and to enhance non-flammability and eco-friendliness to expand the internal and external fields of a building, thereby enhancing product competitiveness and increasing usability.

Abstract: According to an embodiment of the present disclosure, a method of controlling an aerosol generating device that generates an aerosol based on ultrasonic vibration of a vibrator of the aerosol generating device is provided. The method includes: operating, based on power of the aerosol generating device being turned on, the aerosol generating device in a preheat mode for preheating the vibrator; operating, based on the preheat mode being completed, the aerosol generating device in a power repetition control mode wherein supplying of power to the vibrator and cutting off supply of the power to the vibrator are alternately repeated; and operating, based on a puff of a user being sensed while operating in the power repetition control mode, the aerosol generating device in a puffing mode wherein power is supplied to the vibrator to generate the aerosol.

Abstract: An apparatus for testing a multimedia device includes a database log tracking device that transmits a log of a first terminal and a processor that monitors the log to detect a predetermined event, obtains event execution information at a timing when the event occurs from the first terminal and a second terminal interworking with the first terminal in response to that the event is detected, and compares the event execution information with predetermined reference information to determine operation states of the first and second terminals.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: Provided is an aerosol generating device including a heater configured to heat an aerosol generating material; a sensor configured to detect movement of the aerosol generating device; and a controller configured to: count stop time corresponding to a time for which the movement is not detected during an operation time of the heater, and extend the operation time based on the stop time.