Abstract: A hydrogen supply method includes a first fluid circulation operation in which a first fluid sequentially circulates through a first fluid circulation line including a first heat exchanger configured to exchange heat between the first fluid and an external fluid, a compressor, a second heat exchanger, and an expansion member. The hydrogen supply method further includes a (2-1)th fluid circulation operation in which a second fluid circulates through a second fluid circulation line through which the second fluid circulates and exchanges heat with the first fluid in the second heat exchanger. The (2-1)th fluid circulation operation includes allowing the second fluid to sequentially circulate through the second heat exchanger, a hydrogen storage including a metal or alloy that adsorbs hydrogen, and a pump through the second fluid circulation line.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A hydrogen compression system includes: a heat pump part including a heat pump line configured to allow a refrigerant to circulate therethrough, a hydrogen compression part configured to compress hydrogen by being repeatedly heated and cooled, a first circulation line connected to the heat pump line while passing through the hydrogen compression part and configured to allow the refrigerant introduced from the heat pump line to circulate therethrough, a second circulation line provided to pass through the hydrogen compression part and configured to allow a cooling fluid to circulate therethrough, and a cooling unit provided in the second circulation line and configured to cool the cooling fluid, in which the hydrogen compression part is heated by the refrigerant or cooled by the cooling fluid, thereby minimizing electric power consumption and improving energy efficiency.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A hydrogen supply method including a (1-1)th fluid circulation operation in which a first fluid sequentially circulates through a first fluid circulation line including a first heat exchanger in which the first fluid and an external fluid exchange heat therebetween, a first flow rate control member that controls flow of the first fluid, a compressor, the first flow rate control member, a second heat exchanger, and an expansion member. The hydrogen supply method further includes a (2-1)th fluid circulation operation in which a second fluid circulates through a second fluid circulation line through which the second fluid circulates and exchanges heat with the first fluid in the second heat exchanger.

Abstract: A device for controlling refueling of hydrogen includes one or more hydrogen refueling facilities for refueling a hydrogen-powered vehicle with hydrogen, and a controller that collects state information and control data of the hydrogen refueling facilities, performs artificial intelligence learning based on the state information and the control data, and controls operations of the hydrogen refueling facilities based on the learning result.

Abstract: An electronic device and a method of making an electronic device. As non-limiting examples, various aspects of this disclosure provide various methods of manufacturing electronic devices, and electronic devices manufactured thereby, that comprise utilizing an adhesive layer to attach an upper electronic package to a lower die and/or utilizing metal pillars for electrically connecting the upper electronic package to a lower substrate, wherein the metal pillars have a smaller height above the lower substrate than the lower die.

Abstract: Provided a liquid crystal composition including ceramide, a method of preparing the same, and a cosmetic composition including the same. According to a liquid crystal composition including various types of ceramide of an aspect and a method of preparing the same, the liquid crystal composition not only has high liquid crystal stability that liquid crystal is maintained even after 4 weeks at a high temperature, but also activities of increasing an amount of ceramide, increasing an expression level of aquaporin 3, increasing an amount of filaggrin, increasing an expression level of hyaluronic acid, increasing an expression level of loricrin, increasing an expression level of involucrin, and increasing a thickness of the skin, resulting in effects usefully available for amelioration of the skin conditions.

Abstract: A method for predicting the explosion pressure of a medium- and large-size cell module, according to the present invention, comprises the steps of: (S100) deriving a profile (SOC-temperature profile) of the generation temperature according to a state of charge (SOC) of a medium- and large-size cell module to be predicted; (S200) mounting a small cell inside an explosion pressure measurement device; (S300) overcharging the small cell until an explosion occurs while heating the small cell in the same manner as the SOC-temperature profile derived in step (S100); (S400) measuring the pressure during the explosion of the small cell; and (S500) converting the pressure during the explosion of the measured small cell into pressure of a medium- and large-size cell module.

Abstract: A hydrogen storage system is disclosed and includes a storage unit including a plurality of unit storage containers, in which metal hydride materials are respectively provided in an interior thereof and which are connected to each other in parallel, and a thermal fluid line defining a thermal fluid passage, which passes via the plurality of unit storage containers continuously and through which a thermal fluid flows for heating or cooling the unit storage containers, thereby enhancing a storage performance and an efficiency of the hydrogen.

Abstract: A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.

Abstract: A solid state hydrogen storage system may include a storage container, a plurality of microcapsules received in the storage container, each of the microcapsules being formed by coating the surface of a solid state hydrogen storage material with a ferromagnetic material, and a coil configured to apply a variable magnetic field to the microcapsules received in the storage container.

Abstract: Disclosed are a thermoplastic elastomeric composition for vehicle mounts which has improved surface energy and compression set while solving reduction in wear strength, by blending EPDM rubber, polypropylene, silicon, and poly(styrene-ethylene-butadiene-styrene) (SEBS) in appropriate amounts, and a molded article including the same.

Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.

Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.

Abstract: The present invention relates to a method and device for evaluating the thickness-direction dispersion of a binder in a mixture layer of an electrode. The thickness-direction dispersion of the binder in the mixture layer of the electrode can be evaluated through a non-destructive method.

Abstract: The present invention provides methods for treating or ameliorating metabolic diseases, cholestatic liver diseases, or organ fibrosis, which comprises administering to a subject a therapeutically effective amount of a pharmaceutical composition comprising an isoxazole derivative, a racemate, an enantiomer, or a diastereoisomer thereof, or a pharmaceutically acceptable salt of the derivative, the racemate, the enantiomer, or the diastereoisomer.

Abstract: The present disclosure relates to an anode slurry composition for secondary batteries, comprising an anode active material; and a binder including a copolymer of (meth)acrylic acid monomer, acrylonitrile-based monomer, and (meth)acrylamide monomer, wherein a value obtained by dividing an absolute value of a zeta potential of the binder by an oxygen content per specific surface area of the anode active material is in a range from 0.6×10?5 mV·m2/g to 2.0×10?5 mV·m2/g.

Abstract: A method of providing gift information by a server is proposed. The method may include receiving from a second user a gift provision request for sending a gift to a first user, and generating gift information in response to the gift provision request. The method may also include determining whether the second user is a blocked friend set by the first. The method may further include in response to determining that the second user is the blocked friend, providing the first user with blinded gift information corresponding to the gift information, wherein partial information out of the gift information is not shown in the blinded gift information. The method may further include in response to receiving an unblind request for the blinded gift information from the first user, providing the first user with the partial information out of the gift information.

Abstract: Discussed are a device, a system and a method for estimating a performance of a rechargeable battery. The device can include a current sensor to measure a discharge current output from a rechargeable battery during a discharge period in which the rechargeable battery is discharged from a predetermined reference voltage with a constant voltage, and a control circuit to calculate a resistance change relationship depending on a State of Charge (SOC) change during the discharge period based on the predetermined reference voltage and a change of the discharge current depending on time passage.