Abstract: A fuel cell apparatus of the disclosure includes a case having defined therein a first accommodation space and a second accommodation space, which are isolated from each other by a partition wall, a first cover covering the first accommodation space in the case, a second cover covering the second accommodation space in the case, a power distribution unit disposed in the first accommodation space, and a power conversion unit disposed in the second accommodation space.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.

Abstract: A strain sensor may have a conductive elastic yarn including a first fiber having a predetermined length and a shape of a fiber yarn and a second fiber having electrical conductivity and a sheet shape. The strain sensor may have a pair of wiring members electrically connected to both ends of the conductive elastic yarn. The conductive elastic yarn, with the second fiber wrapped around the first fiber, is twisted in a coil shape.

Abstract: An equipment for inspecting a secondary battery is provided. The equipment includes a loading device on which a secondary battery is loaded in an upright position, and a side portion inspecting device which inspects a side portion of the secondary battery loaded on the loading device, wherein the side portion inspecting device comprises an elevation unit which lifts the secondary battery loaded on the loading device so as to be withdrawn out of the loading device and allows the secondary battery to return to its original position after a first period of time elapses and a side portion inspecting unit which captures an image of the side portion of the secondary battery, which is withdrawn out of the loading device by the elevation unit, thereby inspecting the side portion of the secondary battery.

Abstract: A method of generating a map for visual localization includes specifying a virtual camera pose by using 3-dimensional (3D) model data which is based on an image of an outdoor space captured from the air; rendering the image of the outdoor space from a perspective of the virtual camera, by using the virtual camera pose and the 3D model data; and generating a feature point map by using the rendered image and the virtual camera pose.

Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.

Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.

Abstract: It is introduced that a device of manufacturing lithium sulfate comprising: a reaction body in which a reaction of lithium phosphate and sulfuric acid is performed, the reaction body being divided into an upper space and a lower space; a pressurizer for applying pressure to the inside of the reaction body; a stirrer disposed in the upper space for stirring the lithium phosphate and sulfuric acid to produce a mixture containing lithium sulfate and phosphoric acid; and a filter disposed inside the reaction body and separating the filtrate containing the phosphoric acid into the lower space by filtering the mixture.

Abstract: A method for estimating reliability of a bounding point of a track includes extracting bounding points from a track box of a target object, determining association between the bounding points and at least one LiDAR contour point based on a distance between the track box and the at least one LiDAR contour point, determining scores of the bounding points based on the association, and estimating reliability of the bounding points based on the scores of the bounding points.

Abstract: The present invention relates to an oral solid formulation for colon cleansing, wherein the oral solid formulation minimizes side effects, has excellent dosing convenience and medication compliance, enables a pharmaceutical effect to be exhibited quickly, and has excellent colon cleansing ability.

Abstract: Disclosed are a solid electrolyte and method of manufacturing the same. The solid electrolyte may include a core including a first electrolyte represented by Chemical Formula 1, and a shell including a second electrolyte represented by Chemical Formula 2, and disposed on a surface of the core. LiaPSbX1c??[Chemical Formula 1] Here, a satisfies an equation 4?a?7, b satisfies an equation 3?b?7, c satisfies an equation 0?c?2, and X1 includes Br or I. LidPSeX2f??[Chemical Formula 2] Here, d satisfies an equation 4?d?7, e satisfies an equation 3?e?7, f satisfies an equation 0?f?2, X2 includes Cl or Br, and an ionic radius of X1 is greater than an ionic radius of X2.

Abstract: A fuel cell vehicle includes a cell stack, a DC level converter, an output unit, a first switching unit disposed between a positive output terminal of the DC level converter and a positive input terminal of the output unit, a second switching unit disposed between a negative output terminal of the DC level converter and a negative input terminal of the output unit, a resistor and a third switching unit connected to each other in series between the positive output terminal of the DC level converter and the negative output terminal of the DC level converter, a fourth switching unit disposed between a contact point between the resistor and the third switching unit and the positive input terminal of the output unit, and a controller for controlling switching operation of the first, second, third and fourth switching units according to an operation mode.

Abstract: A fuel cell vehicle of the disclosure includes a cell stack, a boost converter receiving a first target voltage from the cell stack, a supercapacitor, an initial charging converter receiving a second target voltage from the cell stack, a first switching unit configured to be switched in response to a first control signal to connect an output side of the boost converter to the supercapacitor, a second switching unit configured to be switched in response to a second control signal to connect an output side of the cell stack to the initial charging converter, and a controller configured to generate the first and second control signals in order to connect the output side of the boost converter to the supercapacitor while the output from the initial charging converter is charged in the supercapacitor so that the supercapacitor is charged until startup is completed by receiving the first target voltage.

Abstract: A fuel cell vehicle of the disclosure includes a cell stack including a plurality of unit cells stacked on one another, a boost converter configured to boost the output from the cell stack and to output the boosted output as main power, a supercapacitor configured to be charged with the power generated in the cell stack to generate auxiliary power, and a load terminal connected to the boost converter instead of the cell stack to receive the main power and connected to the supercapacitor to receive the auxiliary power so as to be driven.

Abstract: A fuel cell system includes a fuel cell connected to a main bus through a converter, an auxiliary power supply connected in parallel to the main bus at an output side of the converter, and a controller electrically connected to the converter and configured to control the converter to adjust output of the fuel cell by changing a target input voltage of the converter, configured to increase the target input voltage of the converter when an output voltage of the converter is a set maximum value or more than the set maximum value, and configured to decrease the target input voltage of the converter when the output voltage of the converter is a set minimum value or less the set minimum value. Furthermore, a method of controlling the fuel cell system is disclosed.

Abstract: A fuel cell system power supply includes: a fuel cell stack configured to react hydrogen and oxygen in air with each other in order to generate electricity; a high-voltage converter configured to boost output power of the fuel cell stack; and a high-voltage junction unit configured to transmit the output power of the fuel cell stack to the high-voltage converter and to receive high-voltage power from the high-voltage converter. The high-voltage junction unit has a structure configured to simultaneously accommodate an output terminal of the fuel cell stack and an input terminal of the high-voltage converter. Consequently, the assembly structure of the high-voltage junction unit may be simplified, whereby productivity may be improved. In addition, maintainability may be improved, whereby it is possible to efficiently maintain a fuel cell vehicle.

Abstract: An embodiment fuel cell device includes a fuel cell, a power controller configured to convert a magnitude of a stack voltage output from the fuel cell and to output the stack voltage having the converted magnitude to a load, and a junction box including a bypass diode that includes an anode coupled to the stack voltage and to a voltage input terminal of the power controller and a cathode coupled to a voltage output terminal of the power controller and to the load, wherein the voltage output terminal of the power controller is configured to carry a voltage having the converted magnitude.

Abstract: Disclosed herein is a method for manufacturing a hydrogen sensor, the method comprising the steps of: disposing a thin film made of a transition metal or an alloy thereof on a surface of elastic substrate; applying a tensile force in a repetitive manner to the elastic substrate to form a nanocrack on the thin film disposed on the surface of the elastic substrate; and injecting hydrogen gas into the formed nanocrack and then removing the hydrogen gas to form a nanogap, wherein the tensile force in the step of forming a nanocrack is applied to an extent that the elastic substrate has a tensile strain of 25% to 100%.

Abstract: Provided is a method for preparing a chlorinated polyvinyl chloride resin, and more particularly, a method for preparing a chlorinated polyvinyl chloride resin including a neutralization process for neutralizing to pH of 2 to 5 using metal hydroxide as a first neutralizing agent a), and completing neutralization using a carbonate-based compound as a second neutralizing agent b), wherein residual hydrochloric acid in pores of the chlorinated polyvinyl chloride resin obtained by chlorination of a polyvinyl chloride or a vinyl chloride-based copolymer may be efficiently removed, and thermal stability and extrusion appearance of processed articles may be improved.

Abstract: A method of processing sensor information of the present disclosure includes generating, based on location information of a target object and low-level sensor information detected from the target object at the corresponding location, a ground truth for each of sensor beam sections detecting the target object, and generating, based on the ground truth, a sensor performance map containing information on accuracy of low-level sensor information detected in the corresponding sensor beam section.