Abstract: A battery data management system includes a communication device for obtaining state data of a battery from a battery management system and transmitting the state data of the battery to an outside and a management server for managing the state data of the battery, received from the communication device through a first network.

Abstract: An example user terminal apparatus includes communication circuitry configured to be connected to a home network comprising a plurality of devices; a display configured to display a UI screen for managing the home network; a sensor configured to sense a user manipulation of the UI screen; and processing circuitry configured to change the UI screen displayed on the display according to the user manipulation. The UI screen is one of a plurality of service pages that are changeable according to a user manipulation in a first direction, the plurality of service pages being pages for respectively providing different home network management services. At least one of the plurality of service pages comprises an area that is displayable on the display according to a user manipulation in a second direction.

Abstract: Disclosed is a method and apparatus for measuring magnetic field and/or temperature using a diamond nitrogen-vacancy center sensor, and a measuring apparatus based on a diamond nitrogen-vacancy center (DNV) sensor may include: a diamond nitrogen-vacancy center sensor; a frequency synthesizer for generating a first reference signal and a second reference signal; a first microwave generator for generating a first microwave that is frequency modulated according to the first reference signal and causes a first spin transition in the diamond nitrogen-vacancy center sensor; a second microwave generator for generating a second microwave that is frequency modulated according to the second reference signal and causes a second spin transition in the diamond nitrogen-vacancy center sensor; a laser irradiator for applying a laser to excite the spin state of the diamond nitrogen-vacancy center sensor; a power amplifier for combining and amplifying the first microwave and the second microwave to apply to the diamond nitrog

Abstract: A hydrometallurgical coprecipitation process for leached cathode materials includes adjusting a pH and agitation of an aqueous acidic leach solution in successive stages of a multi-stage reactor system for generating coprecipitated particles of a targeted morphology, particle size range, and surface characteristics. The aqueous acidic leach solution (leach solution) initially forms seed particles based on increasing pH. In successive stages, the pH and the stirring rate are varied for growing the seed particles into progressively larger particles as additional leach solution is introduced.

Abstract: It is disclosed a blood glucose prediction system and method. According to one example embodiment, the blood glucose prediction system may include a learning modeling unit for learning a blood glucose variability inference model to infer a correlation between a physical indicator and blood glucose variability, and learning a blood glucose inference model to infer a correlation between sugar of saliva and blood glucose; a target information acquiring unit for acquiring a physical indicator and sugar of saliva of a target; a blood glucose variability estimating unit for estimating blood glucose variability of the target by using the blood glucose variability inference model with the physical indicator of the target as an input parameter; and a blood glucose predicting unit for predicting blood glucose of the target by using the blood glucose inference model with the sugar of the saliva and the estimated blood glucose variability of the target as an input parameter.

Abstract: The present disclosure provides a surface-modified alginate micro-capsule having a core-shell structure in which a core is fluidizable phase alginate, and a shell is alginate hydrogel crosslinked with epigallocatechin gallate dimer, a preparation method thereof, and a cell encapsulation method using the same.

Abstract: A communication apparatus includes a data collecting unit for obtaining log information about a state of a battery from a battery management system that manages the battery, a first storing unit including reference log information for determining abnormality of the battery, and a diagnosing unit for diagnosing abnormality of the battery by comparing the log information about the state of the battery with the reference log information.

Abstract: A battery management apparatus according to the present disclosure includes a voltage measurement circuit to measure a cell voltage of each of a plurality of battery cells; and a control unit to determine the cell voltage of each of the plurality of battery cells and a reference voltage of the plurality of battery cells at a preset time interval during a rest period. The control unit determines a first accumulated change of the cell voltage of each battery cell during the rest period. The control unit determines a second accumulated change of the reference voltage during the rest period. The control unit determines whether each battery cell is defective by comparing the first accumulated change of each battery cell with the second accumulated change.

Abstract: Disclosed is a method and apparatus for measuring magnetic field and/or temperature using a diamond nitrogen-vacancy center sensor, and a measuring apparatus based on a diamond nitrogen-vacancy center (DNV) sensor may include: a diamond nitrogen-vacancy center sensor; a frequency synthesizer for generating a first reference signal and a second reference signal; a first microwave generator for generating a first microwave that is frequency modulated according to the first reference signal and causes a first spin transition in the diamond nitrogen-vacancy center sensor; a second microwave generator for generating a second microwave that is frequency modulated according to the second reference signal and causes a second spin transition in the diamond nitrogen-vacancy center sensor; a laser irradiator for applying a laser to excite the spin state of the diamond nitrogen-vacancy center sensor; a power amplifier for combining and amplifying the first microwave and the second microwave to apply to the diamond nitrog

Abstract: It is disclosed a blood glucose prediction system and method using saliva-based artificial intelligence deep learning technique.

Abstract: The present disclosure relates to an apparatus for measuring temperature distribution in a wide area using a diamond nitrogen vacancy center sensor and a method for fabricating the same, and disclosed is a diamond nitrogen-vacancy center sensor capable of measuring a temperature in a wide area including: a plurality of diamond thin films that are provided at different positions on an insulator and are not connected to each other, and it will be possible to measure temperature distribution in a wide area using the same.

Abstract: A fuel cell system without a high pressure line of a hydrogen supplying system, including a gas charging line formed between a gas charging station and a high pressure vessel charged with gas by the gas charging station, and a gas supplying line formed between the high pressure vessel and a stack, includes: a regulator provided in the gas supplying line; a solenoid valve provided in the gas supplying line between the regulator and the high pressure vessel; and a check valve provided in a bypass line connecting one point of the gas supplying line between the regulator and the solenoid valve and one point of the gas charging line.

Abstract: A positive electrode active material precursor, a method of preparing the same, and positive electrode active material prepared from the same are disclosed herein. In some embodiments, a positive electrode active material precursor includes a spherical secondary particle formed by aggregation of primary particles and includes a core portion composed of randomly oriented primary particles, a first shell portion which is formed on the first core portion and composed of the primary particles having a (001) plane oriented in a direction from a center of the secondary particle toward a surface thereof, and a second shell portion which is formed on the first shell portion and composed of randomly oriented primary particles.

Abstract: A positive electrode active material precursor is capable of achieving a positive electrode active material in the form of a single particle even by a heat treatment at a low temperature. A positive electrode active material precursor has the composition represented by Formula 1 described in the present specification and includes a composite transition metal in the form of a single particle. A method of preparing the positive electrode active material precursor and a method of preparing a positive electrode active material using the same are also provided.

Abstract: A positive electrode active material for a lithium secondary battery and a method for preparing the same is disclosed herein. In some embodiments, a method comprises heating a mixed solution to combust the mixed solution into a powder, wherein the mixed solution includes a first fuel, a second fuel, a metal raw material, and water, and heat treating the powder wherein the first fuel is least one first fuel selected from the group consisting of urea, glycine, carbohydrazide, oxalyldihydrazide, and hexamethylenetetramine, the second fuel is at least one second fuel selected from the group consisting of citric acid, oxalic acid, sucrose, glucose, and acetylacetone, and the metal raw material includes a lithium raw material, a nickel raw material, a cobalt raw material, and a manganese raw material.

Abstract: A method of preparing a positive electrode active material; includes a first step of preparing a sintered product by mixing a positive electrode active material precursor and a lithium-containing raw material and sintering the mixture, a second step of preparing a lithium transition metal oxide having a coating layer including a lithium chelate compound formed thereon by washing the sintered product using a washing solution, in which a coating layer precursor including a chelate anion is included, and drying the sintered product, and a third step of preparing a lithium transition metal oxide having a coating layer including a Li-M-O solid solution formed thereon by performing a heat treatment on the lithium transition metal oxide having the coating layer including the lithium chelate compound formed thereon.

Abstract: The invention discloses a device for identifying fluids or measuring their concentration. The device is configured to capture fluid sensing signals and sent to processing capabilities to be annotated, pre-processed and fed to databases of datasets and models which have learning capabilities. The device has a stick or stylus form factor which is makes it fit to be used by health care professionals or by the general public. Advantageously, the stick can be used to capture data from gas and liquid, being possibly phases of the same analyte. The device can be a package containing all processing capabilities being configured to be autonomous. It can operate in conjunction with an intermediary device of a smart phone, a PC or a POCT type. The system comprising autonomous fluid sensory devices, intermediary devices and database servers can operate in a learning mode or in a use mode.

Abstract: A display apparatus, a terminal apparatus, and controlling methods are provided. The display apparatus includes: a communicator to communicate with a terminal apparatus or a relay server in order to receive collected status information about at least one peripheral device from the terminal apparatus, a display unit to display a user interface (UI) screen; and a controller to generate a control UI for controlling the at least one peripheral device or a security UI for monitoring a peripheral space through the at least one peripheral device based on the status information about the at least one peripheral device and based on whether a communication with the terminal apparatus is possible, thereby controlling a home device t in real time according to a communication status with the terminal apparatus.

Abstract: A battery management apparatus according to the present disclosure includes a voltage measurement circuit to measure a cell voltage of each of a plurality of battery cells; and a control unit to determine the cell voltage of each of the plurality of battery cells and a reference voltage of the plurality of battery cells at a preset time interval during a rest period. The control unit determines a first accumulated change of the cell voltage of each battery cell during the rest period. The control unit determines a second accumulated change of the reference voltage during the rest period. The control unit determines whether each battery cell is defective by comparing the first accumulated change of each battery cell with the second accumulated change.

Abstract: a fuel cell system without a high pressure line of a hydrogen supplying system, including a gas charging line formed between a gas charging station and a high pressure vessel charged with gas by the gas charging station, and a gas supplying line formed between the high pressure vessel and a stack, includes: a regulator provided in the gas supplying line; a solenoid valve provided in the gas supplying line between the regulator and the high pressure vessel; and a check valve provided in a bypass line connecting one point of the gas supplying line between the regulator and the solenoid valve and one point of the gas charging line.