Abstract: A refrigerator includes a main body and a storage compartment provided inside the main body. A heater assembly partitions the storage compartment into a first storage compartment and a second storage compartment. The heater assembly includes a first case provided to define a surface of the first storage compartment, a second case coupled to the first case to form an accommodation space with the first case and provided to define a surface of the second storage compartment, a fixing unit formed on at least one of an inner surface of the first case and an inner surface of the second case, and a surface heater fixed to at least one of the inner surface of the first case and the inner surface of the second case by being coupled to the fixing unit. The surface heater includes a film and a heating wire printed on the film.

Abstract: An invention related to a nail art apparatus and a nail art method using the same is disclosed. The disclosed nail art apparatus comprises: a nail measurement device for measuring the shape of a nail input through a hand input opening formed on the front surface of a main body; a touchscreen for displaying the shape of the nail measured by the nail measurement device, displaying a nail design and color desired by a user, and inputting information about the nail design and color; a printer for printing a nail design and color according to the shape of the nail measured by the nail measurement device; a sticker supplier for supplying a nail sticker selected by the user through the touchscreen; an artificial nail supplier for supplying an artificial nail selected by the user through the touchscreen; a payment module for receiving payment for the cost of nail art; and a controller for controlling the constituent devices.

Abstract: Disclosed is a system for recovering lithium of a waste cathode material, including: a heat-treating unit configured to heat-treat a waste cathode material to convert into soluble and insoluble materials; a water-leaching unit configured to leach the heat-treated waste cathode material with water to separate into an insoluble material and a water-leached solution comprising a lithium ion and a carbonate ion; and an reverse osmosis (RO) concentration unit configured to concentrate the water-leached solution using reverse osmosis, and a concentration of a lithium ion in the water-leached solution which is separated from the water-leaching unit may be 2,000 ppm or less.

Abstract: A capacitive deionization process is provided. The capacitive deionization process includes a charging step of applying power to a capacitive deionization apparatus in a charging state and supplying charge water containing target dissolved ions to be precipitated to the capacitive deionization apparatus for a predetermined period of time, a discharging step of applying power to the capacitive deionization apparatus in a discharging state and supplying discharge water in which the target dissolved ions are in a saturated state to the capacitive deionization apparatus for a predetermined period of time, and a crystal recovery step of recovering a crystal of the target dissolved ions precipitated in the capacitive deionization apparatus and/or the discharge water.

Abstract: A capacitive adsorption module assembly is proposed.

Abstract: A device for generating vehicle data-based boarding and alighting point information includes a time series data processor that resamples a plurality of time series data including first speed data of the vehicle based on a preset first time; a GPS data processor that resamples GPS data including second speed data of the vehicle based on a preset second time, a location data deriving device that integrates the time series data and the GPS data based on the first speed data, the second speed data, and DTW algorithm, and obtains location data of the vehicle from the integrated data; a location integrating device that integrates location information of a vehicle boarding point and an alighting point received from a public institution; and an identifier generator that generates a boarding point identifier and an alighting point identifier related to a location of the boarding point and the alighting point, respectively.

Abstract: A capacitive adsorption module assembly is proposed. The capacitive adsorption module assembly includes a plurality of capacitive adsorption modules, each having a disk-shaped spacer configured to form a flow path through which feed flows, a cation exchange membrane attached to any one of an upper surface and a lower surface of the spacer, a first electrode attached to the cation exchange membrane, an anion exchange membrane attached to the other of the upper surface and the lower surface of the spacer, and a second electrode attached to the anion exchange membrane, wherein the capacitive adsorption modules are vertically stacked such that adjacent capacitive adsorption modules share or contact the first electrode or the second electrode, and at least one first terminal and second terminal passing through the stacked modules being provided.

Abstract: The present disclosure relates to a carbazole-based anion exchange material, a preparation method therefor and use thereof, and more particularly, to an anion exchange material used in membranes for water electrolysis, redox flow batteries, fuel cells, carbon dioxide reduction, electrochemical ammonia production and decomposition, electrodialysis (ED), reverse electrodialysis (RED) or capacitive deionization (CDI), a separator comprising the same, a preparation method therefor and use thereof. According to the present disclosure, it is possible to prepare a separation membrane with improved mechanical and chemical stability and durability by remarkably improving the molecular weight together with solubility in solvent by providing the anion exchange material in which all bonds between monomers in the main chain are C—C bonds based on the carbazole-based material with high stability.

Abstract: The present invention provides wear-resistant steel which has high hardness while having wear resistance and high impact toughness at low temperature, and a manufacturing method therefor.

Abstract: A bipolar capacitive deionization (CDI) electrode includes a circular current collector having a central hole and inner and outer circumferential surfaces; a nano-carbon coating layer formed on at least top and bottom surfaces of the circular current collector; and a hydrophobic polymer coating layer respectively disposed over the inner and outer circumferential surfaces of the current collector. Maintenance and management is facilitated by a bipolar CDI electrode module configured such that individual parts are formed to be removably attached. A water treatment apparatus including the bipolar CDI electrode module exhibits high water treatment efficiency, superior long-term stability, and easy maintenance and management, while solving terminal corrosion problems due to the formation of a hydrophobic polymer coating layer on the surface of an electrode terminal.

Abstract: An apparatus and a method for processing a capacitor according to the present disclosure may include a clamping module grabbing or releasing a capacitor to transport the capacitor, and a first processing module and a second processing module matched with each other to process and test leads of the capacitor, and simultaneously perform various processes through different processing units formed in the first processing module and symmetrical processing units formed in the second processing module and corresponding to be matched with the processing units. By providing the apparatus and method for processing the capacitor, it is possible to process a larger amount of capacitors assembled to a capacitor assembly and identify and remove the electrical defect before assembled to the assembly.

Abstract: A capacitive adsorption module assembly is proposed.

Abstract: A capacitive deionization process is provided. The capacitive deionization process includes a charging step of applying power to a capacitive deionization apparatus in a charging state and supplying charge water containing target dissolved ions to be precipitated to the capacitive deionization apparatus for a predetermined period of time, a discharging step of applying power to the capacitive deionization apparatus in a discharging state and supplying discharge water in which the target dissolved ions are in a saturated state to the capacitive deionization apparatus for a predetermined period of time, and a crystal recovery step of recovering a crystal of the target dissolved ions precipitated in the capacitive deionization apparatus and/or the discharge water.

Abstract: A method of heat-treating a waste cathode material to recover lithium carbonate from the waste cathode material, and a lithium carbonate recovery method using the waste cathode material heat treatment method are provided. The method of heat-treating the waste cathode material includes heating an interior of a heat treatment furnace by burning a hydrocarbon fluid in the heat treatment furnace and producing lithium carbonate (Li2CO3) and residual metal oxide by reacting a waste cathode material in the heat treatment furnace with CO2 generated during burning of the hydrocarbon fluid.

Abstract: A heat treatment apparatus used in a process of recovering lithium carbonate from a waste cathode material and a lithium carbonate recovery apparatus using the same are provided. The heat treatment apparatus includes a heat treatment furnace having an inlet through which an object to be treated is input and an outlet through which the heat-treated object is discharged, a support section rotatably supporting the heat treatment furnace, a burner provided in the heat treatment furnace to supply combustion gas to the heat treatment furnace, and an exhaust gas re-supply device re-supplying a portion of the combustion gas discharged from the heat treatment furnace to the heat treatment furnace, wherein the heat treatment furnace is divided into a first region in which the inlet is disposed, a second region connected to the first region, and a third region connected to the second region and in which the burner is disposed.

Abstract: A refrigerator includes a main body and a storage compartment provided inside the main body. A heater assembly partitions the storage compartment into a first storage compartment and a second storage compartment. The heater assembly includes a first case provided to define a surface of the first storage compartment, a second case coupled to the first case to form an accommodation space with the first case and provided to define a surface of the second storage compartment, a fixing unit formed on at least one of an inner surface of the first case and an inner surface of the second case, and a surface heater fixed to at least one of the inner surface of the first case and the inner surface of the second case by being coupled to the fixing unit. The surface heater includes a film and a heating wire printed on the film.

Abstract: A capacitive-deionization-type nutritive salt removal system and method uses capacitive deionization (CDI) to remove nutritive salts that cause eutrophication of water due to a water-bloom phenomenon in water held by a dam or a weir. The system includes an intake pump configured to take in the water; a first nutritive salt filtration unit configured to use capacitive deionization to primarily filter out nutritive salts from the taken-in water; a second nutritive salt filtration unit configured to use capacitive deionization to secondarily filter out nutritive salts from the primarily filtered water; and a nutritive salt storage tank configured to collect and store nutritive salts filtered through the second nutritive salt filtration unit. When one filter train is operating the first or second nutritive salt filtration unit, another filter train is subjected to automatic cleaning in a standby state.

Abstract: A device for generating vehicle data-based boarding and alighting point information includes a time series data processor that resamples a plurality of time series data including first speed data of the vehicle based on a preset first time; a GPS data processor that resamples GPS data including second speed data of the vehicle based on a preset second time, a location data deriving device that integrates the time series data and the GPS data based on the first speed data, the second speed data, and DTW algorithm, and obtains location data of the vehicle from the integrated data; a location integrating device that integrates location information of a vehicle boarding point and an alighting point received from a public institution; and an identifier generator that generates a boarding point identifier and an alighting point identifier related to a location of the boarding point and the alighting point, respectively.

Abstract: An automatic ventilation system and method for vehicle are disclosed. The system includes: a ventilator to control a ventilation operation of an indoor space of a second vehicle; an input unit to receive information of automatic ventilation for a first vehicle, the automatic ventilation automatically performed based on a change in CO2 concentration inside the first vehicle; and a controller to determine an initiation time point of an automatic ventilation operation of the second vehicle based on the received automatic ventilation information and to control the ventilator to ventilate the indoor space of the second vehicle at the determined initiation time point, thereby pleasantly ventilating an indoor space of the second vehicle with reference to data related to an automatic ventilation operation of first vehicle including a CO2 sensor.

Abstract: A method for manufacturing a capacitive deionization electrode exhibits enhanced ionic material adsorption efficiency. The method includes (a) kneading an electrode active material while adding a solvent to the electrode active material; (b) adding a solvent to the mixture obtained after (a) and stirring the result; and (c) preparing an electrode slurry by adding a binder to the mixture obtained after (b) and stirring the result. According to the method, a problem of a binder blocking electrode pores, which used to occur when using existing methods, is resolved by increasing mixing efficiency of the binder while using an electrode active material having a high specific surface area. A capacitive deionization electrode having very superior ionic material adsorption efficiency may be manufactured using the method.