Abstract: An energy system includes a battery rack having a battery cell and having a cooling channel for cooling the battery cell, a coolant tank having a predetermined coolant, a pipe configured to circulate the coolant between the battery rack and the coolant tank, and a pump configured to adjust the supply of the coolant to the battery rack.

Abstract: Disclosed is a battery cell having an electrode tab with an enhanced safety, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab provided to at least one of both sides of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead drawn out of the cell case by a predetermined length and connected to the electrode assembly through the electrode tab, and a tab protection module accommodated in the cell case and configured to cover at least a part of the electrode tab.

Abstract: An optical phased array device for a LIDAR sensor includes: a light source configured to irradiate a laser beam having a predetermined wavelength band; an input waveguide through which the laser beam irradiated from the light source passes; a slab waveguide disposed at an output end of the input waveguide to branch an optical signal input from the input waveguide; and a channel waveguide configured to distribute and guide the optical signal, branched by the slab waveguide, to M channels and to radiate the optical signal onto a free space. The channel waveguide may include a silia optical waveguide disposed for each of the M channels, and a length of each of the optical waveguides has a length difference ?L from an adjacent waveguide.

Abstract: An apparatus for manufacturing a battery cell to enhance the electrolyte wettability to an electrode assembly in the battery cell is provided. The apparatus includes a battery cell tray in which one or more preliminary battery cells are housed and an excitation unit which makes a contact opposite to contacting one side of the battery cell tray to apply megasonic vibration to the preliminary battery cell in a state in which the preliminary battery cell is housed. A method for manufacturing a battery cell using the apparatus is also provided.

Abstract: A crime type inference system based on text data, may include: a keywords dictionary construction unit configured to receive crime source data, and generate a crime type keywords dictionary by extracting crime keywords; a data set construction unit configured to generate a dataset for crime type learning by using the crime source data and the keywords dictionary; a crime type prediction model training unit configured to generate a crime type prediction model by using the dataset, and train the crime type prediction model; and a crime type inference unit configured to infer a crime type by using new crime data.

Abstract: An energy storage system includes at least one battery rack including at least two battery modules, a container in which the battery rack is received, an air conditioner including an outside heat exchanger configured to cool a heat exchanger medium having a temperature rise in the container, and a circulation path configured to allow the heat exchanger medium to circulate between the container and the outside heat exchanger, a fire extinguishing unit including a fire extinguishing agent tank configured to detect a temperature of the at least one battery module that is equal to or higher than a predetermined temperature or smoke that is generated in the at least one battery module and feed the fire extinguishing agent to the battery module, and an air conditioner management unit configured to spray the fire extinguishing agent in the fire extinguishing agent tank onto an outer surface of the outside heat exchanger.

Abstract: Provided is a method for determining the wetting degree of a lithium ion battery cell using a low current test. The wetting degree determination method according to the present disclosure includes a) obtaining, as a reference charge profile, a charge profile recorded while charging a reference battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less, b) measuring and recording a charge profile while charging another battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less in the same way as the reference battery cell, and c) determining the wetting degree of another battery cell relative to the reference battery cell by comparative analysis of the reference charge profile and the measured charge profile.

Abstract: An energy storage apparatus includes at least one battery rack having at least two battery packs; a container configured to accommodate the at least one battery rack; and an air conditioner provided with a coolant supply part, which includes at least two blowout units respectively having a nozzle with a discharge hole through which a coolant is discharged and configured to individually switch a discharge direction of the coolant, toward any, one of the at least two battery packs and individually increase or decrease a discharge amount of the coolant and a control unit configured to adjust the discharge direction and the discharge amount of the coolant of each of the at least two blowout units, and a coolant suction part configured to suck a heated coolant inside the container.

Abstract: A slot die coating apparatus according to one embodiment of the present disclosure includes: a slot die containing a first die block and a second die block, and a sensor unit for measuring the flow rate of an electrode active material slurry which is discharged through a discharge port formed by the coupling of the first die block and the second die block, wherein the sensor unit is formed inside the first die block, and the sensor unit is connected to the discharge port via an energy dissipation part and an energy absorption part.

Abstract: A wearable device for providing disaster information includes a communicator configured to receive, from a user terminal, a disaster information code obtained by coding a type of a disaster and a degree of risk of the disaster, a symbol and image generator configured to generate a symbol and an image corresponding to the disaster information code received through the communicator, and a display displaying the symbol and the image generated by the symbol and image generator.

Abstract: The present invention relates to an emergency reporting system and method for the socially disadvantaged. The emergency reporting system for the socially disadvantaged according to the present invention includes a user terminal configured to receive an emergency report input in a preset manner according to environment information set by the socially disadvantaged, generate an emergency report message, and transmit the emergency report message, and a server configured to receive the emergency report message and transmit a dispatch notification signal.

Abstract: The present invention relates to a method and an apparatus for diagnosing low voltage of a secondary battery cell. The method for diagnosing low voltage of a secondary battery cell according to an embodiment of the present invention includes pre-aging a battery cell, charging the battery cell according to a preset charging condition, measuring a parameter for determining low voltage failure of the battery cell, comparing the measured parameter with a reference parameter, and performing formation when the battery cell is determined to be normal.

Abstract: A secondary battery according to the present invention comprises: an electrode assembly in which a first electrode, a separator, and a second electrode are alternately stacked and wound together; a can provided with an accommodation part that accommodates the electrode assembly therein, the can comprising a first can and a second can, which have cylindrical shapes opened in a direction facing each other; and an insulator configured to insulate an overlapping portion between the first can and the second can. The first can forms a first electrode terminal that directly contacts an end of the first electrode, and the second can forms a second electrode terminal that directly contacts an end of the second electrode.

Abstract: A secondary battery comprises an electrode assembly including a first electrode, a separator, and a second electrode alternately stacked and wound about a central axis. A first non-coating portion that is not coated with an electrode active material protrudes farther than the separator in a first direction along the central axis and a second non-coating portion that is not coated with the electrode active material protrudes farther than the separator in a second, opposite direction along the central axis. The first non-coating portion contacts a first connection part disposed on an end of a first can of the battery, and the second non-coating portion contacts a second connection part disposed on an end of a second can. At least one of the first connection part or the second connection part comprises a protrusion having a shape protruding towards the electrode assembly.

Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.

Abstract: Provided are an object tracking system and an object tracking method.

Abstract: An apparatus for manufacturing a battery cell to enhance the electrolyte wettability to an electrode assembly in the battery cell is provided. The apparatus includes a battery cell tray in which one or more preliminary battery cells are housed and an excitation unit which makes a contact opposite to contacting one side of the battery cell tray to apply megasonic vibration to the preliminary battery cell in a state in which the preliminary battery cell is housed. A method for manufacturing a battery cell using the apparatus is also provided.

Abstract: A secondary battery having an electrode assembly in which a positive electrode, a separator, and a negative electrode are alternately stacked, and a can configured to accommodate the electrode assembly is provided. The negative electrode is disposed on an end of the electrode assembly in a direction of one side of the electrode assembly so that a negative electrode non-coating portion protrudes more than the separator with respect to a direction of a winding center axis of the electrode assembly. The positive electrode is disposed on an end of the electrode assembly in a direction of the other side of the electrode assembly so that a positive electrode non-coating portion protrudes more than the separator with respect to the direction of the winding center axis of the electrode assembly. The can includes a first can contacting the positive electrode and a second can contacting the negative electrode.

Abstract: Provided is a system for detecting a risk using pattern analysis of layered tags in user log data, the system including a tag hierarchical database in which layered tag information and risk tag information according to a pattern corresponding to the layered tag information are matched with each other and are stored and managed, a user group terminal configured to provide user log data that is detected or input through sensors and input devices, and a risk prediction and response server configured to analyze the user log data provided from the user group terminal to detect a pattern of tags and configured to perform a response on a risk tag corresponding to the pattern of tags.

Abstract: The present invention relates to dangerous situation detection method and apparatus using a time series analysis of user behaviors. The dangerous situation detection method and apparatus using a time series analysis of user behaviors according to the present invention includes recognizing user behaviors in a time series manner using sensor sensing data, setting stability interval periods and reflecting stability factors on the user behaviors recognized in the time series manner for each of the stability interval periods to set a stability level, and determining a danger level on the basis of the recognized user behaviors and the set stability level.