Abstract: Disclosed are an apparatus for manufacturing a membrane electrode assembly to provide excellent mass transfer characteristics and durability and a manufacturing method using the same. A porosity gradient may be continuously imparted to electrodes of the membrane electrode assembly in a thickness direction thereby improving reactivity with external gas and transfer of internal ions.

Abstract: The present disclosure is related to a method to control sizes of core-shell nanoparticles comprising the steps of: manufacturing slurry by irradiating ultrasonic waves to a dispersion solution containing a reducing solvent, a carbon support, a transition metal precursor and a precious metal precursor; manufacturing a solid by filtering the manufactured slurry, followed by washing and drying; and manufacturing a nanoparticle of a transition metal core and a platinum shell by heat-treating the dried solid at a temperature of 450 to 900° C. and a pressure of 1 to 90 bar for 0.5 to 10 hours under N2 atmosphere.

Abstract: The present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell. More specifically, the present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell, the method comprising: preparing an electrode layer; preparing a porous support layer; and positioning the electrode layer on each of both surfaces of the porous support layer, and hot pressing the electrode layer positioned on both surfaces of the porous support layer, wherein the preparing of the electrode layer comprises: forming a functional layer including a hydrogen ion conductive binder resin on at least a portion on an electrode catalyst layer; and forming an electrolyte layer on at least a portion on the functional layer.

Abstract: A hierarchical fault classification method for a fuel cell system, a multi-stage fault diagnosis method therefor, and a fault diagnosis device therefor are disclosed. The fuel cell system is divided into a subsystem, a component, and an element step by step. The multi-stage fault diagnosis method includes detecting a subsystem, a fault of which occurs, in the fuel cell system composed of a plurality of subsystems and detecting an upper-level component, which causes the fault, among upper-level components included in the subsystem, the fault of which occurs, using measurement data and a control signal.

Abstract: An apparatus and a method for manufacturing a continuous reactor type core-shell catalyst electrode, which may manufacture a large amount of continuous reactor type core-shell catalyst electrodes by improving coating efficiency of shell metal by using reaction chambers disposed in a circular shape or in a line are provided. The apparatus for manufacturing a continuous reactor type core-shell catalyst electrode includes: a main body; reaction chambers which are disposed plurally in a circular shape inside the main body, store reaction solution inside thereof, are equipped with a movable member and counter electrodes, and are coupled with a reference electrode to a lateral portion thereof; a palladium sheet which is moved by the movable member and immersed in the reaction solution as the movable member moves downward; a power supply which applies a voltage to the electrodes.

Abstract: Disclosed are a method of manufacturing a membrane electrode assembly for a fuel cell and a membrane electrode assembly for a fuel cell manufactured using the same. The planar membrane electrode assembly for a fuel cell may include an ionomer membrane formed on both side surfaces of an electrode and between the electrode and an electrolyte membrane, thereby increasing interfacial bonding force between the electrode and the electrolyte membrane and improving the durability of a cell. In addition, the membrane electrode assembly may include planar or smooth surfaces such that formation of voids or surface steps between the electrode and a sub-gasket may be prevented, thereby improving airtightness and preventing deterioration attributable to concentration of pressure.

Abstract: A display apparatus is provided. The display apparatus includes: a display configured to display a virtual keyboard; an inputter configured to receive a stroke input on a key on the virtual keyboard; and a controller configured to display a character which corresponds to the key in an input window in response to the stroke input being received, and configured to perform a control operation to suggest at least one character that is likely to follow a character which corresponds to the key and display the at least one suggested character. The at least one suggested character is displayed so as not to overlap a character of a basic key on the virtual keyboard.

Abstract: A power seat system includes: a motor that changes a position of a power seat by performing a rotational operation; a Hall sensor that senses a change in Hall voltage according to the rotation of the motor and outputs a pulse signal; and a motor reverse rotation detection unit that monitors outputs from the motor and the Hall sensor, and detects an occurrence of a reverse pulse according to a motor reverse rotation when a motor current overshooting section and a change in pulse signal value are simultaneously detected in accordance with stop of the motor.

Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.

Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.

Abstract: The present disclosure provides an apparatus and a method for manufacturing a continuous reactor type core-shell catalyst electrode, which may manufacture a large amount of continuous reactor type core-shell catalyst electrodes by improving coating efficiency of shell metal by using reaction chambers disposed in a circular shape or in a line.

Abstract: A heat treatment method for a membrane electrode assembly (MEA) of a fuel cell includes: placing a power supply plate on a surface of the MEA or on a surface of an assembly of the MEA and a gas diffusion layer (GDL); and performing heat treatment on a surface or interior of the power supply plate by applying power to the power supply plate.

Abstract: Disclosed are a method of manufacturing a membrane electrode assembly for a fuel cell and a membrane electrode assembly for a fuel cell manufactured using the same. The planar membrane electrode assembly for a fuel cell may include an ionomer membrane formed on both side surfaces of an electrode and between the electrode and an electrolyte membrane, thereby increasing interfacial bonding force between the electrode and the electrolyte membrane and improving the durability of a cell. In addition, the membrane electrode assembly may include planar or smooth surfaces such that formation of voids or surface steps between the electrode and a sub-gasket may be prevented, thereby improving airtightness and preventing deterioration attributable to concentration of pressure.

Abstract: Disclosed are an apparatus for manufacturing a membrane electrode assembly to provide excellent mass transfer characteristics and durability and a manufacturing method using the same. A porosity gradient may be continuously imparted to electrodes of the membrane electrode assembly in a thickness direction thereby improving reactivity with external gas and transfer of internal ions.

Abstract: A character correcting method of a display apparatus includes displaying a sentence including at least one word in a character input window; displaying, if one of the at least one word is selected, a first user interface (UI) in which the at least one selected word is displayed by a character unit; and, displaying, if one of a plurality of characters displayed in the first UI is selected, a second UI around the selected character, the second UI is configured to edit the selected character.

Abstract: The present invention relates to a method for delivering exogenous mitochondria into cells and, more specifically, to a method for efficiently delivering, into the cytoplasm of target cells to be injected, mitochondria isolated from donor cells.

Abstract: Provided is a dispenser mapping apparatus for multi-analysis and an operation method thereof according to an embodiment. The method may include receiving analysis information—the analysis information including information relating to at least one of a plurality of samples, a detection gene for each of the plurality of samples, and a primer corresponding to the detection gene which are subject to analysis—dividing a reaction plate into a plurality of areas and sequentially arranging the plurality of samples and the plurality of primers on the plurality of areas of the reaction plate.

Abstract: Disclosed is a fuel cell filter including a body including therein an internal space in which a fluid flows, an inlet port provided in the body and configured to receive a fluid discharged from a fuel cell stack, a gas-water separating membrane disposed in the internal space and configured to block a liquid fluid included in a fluid absorbed in the inlet port from flowing upwards, a discharge port provided in the body and configured to externally discharge the liquid fluid blocked in the gas-water separating membrane, a water absorbent disposed in the internal space and configured to absorb water included in a gaseous fluid passing through the gas-water separating membrane, and a gas outlet port provided in the body and configured to externally discharge gas separated in the gas-water separating membrane.

Abstract: A power seat system includes: a motor that changes a position of a power seat by performing a rotational operation; a Hall sensor that senses a change in Hall voltage according to the rotation of the motor and outputs a pulse signal; and a motor reverse rotation detection unit that monitors outputs from the motor and the Hall sensor, and detects an occurrence of a reverse pulse according to a motor reverse rotation when a motor current overshooting section and a change in pulse signal value are simultaneously detected in accordance with stop of the motor.

Abstract: A method for providing a user interface (UI) includes displaying a character input UI, receiving a command to select a specific character on the character input UI, determining a character input mode from among a recommended character input mode and an accent mark character input mode based on the command, and displaying at least one of a first character input UI and a second character input UI according to the determined character input mode, wherein the first character input UI comprises recommended character items and the second character input UI comprises accent mark character items.