Abstract: A method of manufacturing a cathode active material for a lithium secondary battery according to embodiments of the present invention includes performing a first heat treatment on a first mixture of a transition metal precursor and a lithium precursor at a first calcination temperature to obtain a preliminary lithium-transition metal composite oxide particle; and performing a second heat treatment on a second mixture obtained by adding the lithium precursor to the preliminary lithium-transition metal composite oxide particle at a second calcination temperature which is lower than the first calcination temperature to form a lithium-transition metal composite oxide particle.

Abstract: A vehicle cryptocurrency mining system includes a generator configured to generate power by driving an engine, a battery configured to the power generated by the generator, an inverter connected to the generator or the battery and configured to convert DC power into AC power, a mining device configured to mine cryptocurrency using power converted and output by the inverter, and a control device configured to monitor a mining state of the mining device.

Abstract: Disclosed is a method of manufacturing a cathode for a solid oxide fuel cell (SOFC) including preparing an electrode composition containing urea, ultrasonically spraying the electrode composition onto a GDC scaffold, and drying the scaffold. By using urea, calcination (?700° C.) after each infiltration cycle can be omitted, the next infiltration cycle is performed immediately after the drying (?100° C.), and thus the cathode manufacturing process time can be greatly reduced. Disclosed is also a solid oxide fuel cell including an anode support, an anode functional layer disposed on the anode support, an electrolyte disposed on the anode functional layer, and a cathode disposed on the electrolyte, wherein the cathode is formed by ultrasonic spraying using an electrode composition containing urea.

Abstract: Disclosed is a method for manufacturing a large-area thin-film solid oxide fuel cell, the method including: preparing an anode support slurry, an anode functional layer slurry, an electrolyte slurry, and a buffer layer slurry for tape casting; preparing an anode support green film, an anode functional layer green film, an electrolyte green film, and a buffer layer green film by tape casting the slurries onto carrier films; staking the green films, followed by hot press and warm iso-static press (WIP), to prepare a laminated body; and co-sintering the laminated body.

Abstract: The present invention relates to a method for measuring condensable particulate matters formed from exhaust gas of an internal combustion engine, including the steps of sucking exhaust gas from the internal combustion engine; diluting the sucked exhaust gas to simulate it to atmospheric condition; a first measurement step of branching some of the exhaust gas of the atmospheric condition and measuring particulate matters including condensable particulate matters and filterable particulate matters; a second measurement step of branching the rest of the exhaust gas of the atmospheric condition to remove the condensable particulate matters and measuring the particulate matters including only the filterable particulate matters; and comparing the first measurement step and the second measurement step to calculate an amount of the condensable particulate matters in the exhaust gas of the atmospheric condition.

Abstract: Disclosed is a method for manufacturing a large-area thin-film solid oxide fuel cell, the method including: preparing an anode support slurry, an anode functional layer slurry, an electrolyte slurry, and a buffer layer slurry for tape casting; preparing an anode support green film, an anode functional layer green film, an electrolyte green film, and a buffer layer green film by tape casting the slurries onto carrier films; staking the green films, followed by hot press and warm iso-static press (WIP), to prepare a laminated body; and co-sintering the laminated body.

Abstract: Provided is an interconnect for a solid oxide fuel cell including ferritic stainless steel dispersed with nano-CeO2 and Nb2O5. The interconnect for the solid oxide fuel cell of the present disclosure includes nano-CeO2 and Nb2O5 having specific particle sizes in specific contents, thereby suppressing the formation of the insulating layer SiO2 and exhibiting an excellent improvement effect of high-temperature characteristics such as oxidation resistance and sheet resistance.

Abstract: A display apparatus and a method for controlling display of a display apparatus are provided. The display apparatus includes a display; a communicator configured to receive control information from a remote control device; and a controller configured to control the display and the communicator. In a standby mode in which the display is powered off, the controller may control to change a state of the display apparatus from the standby mode into a pre-power on mode in response to first control information received from the remote control device, and the controller may control the display to display content in a normal mode which is changed from the pre-power on mode in response to second control information received from the remote control device.

Abstract: An antenna apparatus includes: an antenna module having a radiation-oriented surface in a first direction to transmit and receive a radio signal; and a radio-wave reinforcement member arranged in a second direction opposite to the first direction within a preset distance from the antenna module to amplify radiation performance of the antenna module, and including an electric conductor having a curved surface concave to the antenna module.

Abstract: A content providing device includes a first wired interface that communicates with a first external electronic device through a wired cable or a wireless dongle, and a processor that determines whether the wired cable or the wireless dongle is connected to the first wired interface, and selects a power source based on whether the wired cable or the wireless dongle is connected to the first wired interface.

Abstract: Provided is a wet cyclone apparatus including a body, an inlet installed in the body, and having a passage through which air including airborne particles is sucked in, a wet cyclone connected to the inlet to wet and collect the airborne particles introduced from the inlet, and a water storage installed in the body to store water, wherein the wet cyclone includes an air suction port into which the air introduced from the inlet is sucked, a water inlet through which water is supplied from the water storage, and a sample outlet through which the collected wetted sample is extracted and discharged.

Abstract: An antenna apparatus includes: an antenna module having a radiation-oriented surface in a first direction to transmit and receive a radio signal; and a radio-wave reinforcement member arranged in a second direction opposite to the first direction within a preset distance from the antenna module to amplify radiation performance of the antenna module, and including an electric conductor having a curved surface concave to the antenna module.

Abstract: A display apparatus and a method for controlling display of a display apparatus are provided. The display apparatus includes a display; a communicator configured to receive control information from a remote control device; and a controller configured to control the display and the communicator. In a standby mode in which the display is powered off, the controller may control to change a state of the display apparatus from the standby mode into a pre-power on mode in response to first control information received from the remote control device, and the controller may control the display to display content in a normal mode which is changed from the pre-power on mode in response to second control information received from the remote control device.

Abstract: An electronic apparatus, an external apparatus, and a method of controlling a power supply to the external apparatus are provided. The electronic apparatus includes a transceiver configured to wirelessly connect to an external apparatus, a processor configured to control the transceiver to transmit a control packet for turning off the external apparatus to the external apparatus in response to an input corresponding to a power off command of the electronic apparatus being received. The control packet may be generated according to a profile of a short range communication.

Abstract: A display apparatus and a method for controlling display of a display apparatus are provided. The display apparatus includes a display; a communicator configured to receive control information from a remote control device; and a controller configured to control the display and the communicator. In a standby mode in which the display is powered off, the controller may control to change a state of the display apparatus from the standby mode into a pre-power on mode in response to first control information received from the remote control device, and the controller may control the display to display content in a normal mode which is changed from the pre-power on mode in response to second control information received from the remote control device.

Abstract: The present invention relates to a coelectrolysis module which can produce synthesis gas from water and carbon dioxide and, more particularly, to a pressure coelectrolysis module having a tube-type cell mounted thereon. The pressure coelectrolysis module according to the present invention comprises a coelectrolysis cell which uses fuel gas consisting of hydrogen, nitrogen, and carbon dioxide; a pressure chamber for pressurizing the coelectrolysis cell; a vaporizer for providing steam to the coelectrolysis cell; and a mass flow controller for providing fuel gas to the coelectrolysis cell, wherein the pressure coelectrolysis module has excellent performance and durability and can improve the production yield of synthesis gas.

Abstract: A display apparatus and a method for controlling a display apparatus are provided. For example, a display apparatus which has an HCI type dual mode Bluetooth processor, and a method for controlling a display apparatus are provided. Example embodiments disclose a display apparatus which, in a standby mode in which a screen is turned off, controls the screen of the display apparatus having an HCI type dual mode Bluetooth processor, and a method for controlling a display apparatus.

Abstract: A secondary battery includes an electrode assembly, a case having an opening at an upper portion to accommodate the electrode assembly, a cap plate for covering the opening of the case, and a retainer surrounding a corner portion of the electrode assembly, the retainer being disposed between the electrode assembly and a bottom of the case.

Abstract: A content providing device includes a first wired interface that communicates with a first external electronic device through a wired cable or a wireless dongle, and a processor that determines whether the wired cable or the wireless dongle is connected to the first wired interface, and selects a power source based on whether the wired cable or the wireless dongle is connected to the first wired interface.

Abstract: The present invention relates to a method for manufacturing a tubular co-electrolysis cell which is capable of producing synthesis gas from water and carbon dioxide, and a tubular co-electrolysis cell prepared by the preparing method. The present invention comprises a tubular co-electrolysis cell which comprises: a cylindrical support comprising NIO and YSZ: a cathode layer formed on a surface of the cylindrical support, the cathode layer comprising (Sr1-xLax)Ti1-yMy)O3(M=V, Nb, Co, Mn); a solid electrolyte layer formed on the surface of the cathode layer; and an anode layer formed on a surface of the solid electrolyte layer. The tubular co-electrolysis cell manufactured by the method for manufacturing the tubular co-electrolysis cell of the present in has an excellent synthesis gas conversion rate and is capable of producing synthesis gas even at a low over voltage.