Abstract: A ventilation and heating apparatus for a child seat is provided. A ventilation mat with an embedded heating wire is mounted on a body of the child seat, so ventilation air is discharged toward a child's body through the ventilation mat in summer or when ventilation is required, and heating wire embedded in the ventilation mat is driven in winter, thus providing a comfortable seating environment for a child sitting on the child seat, and improving the sitting comfort of a child.

Abstract: A method of regenerating sodium borohydride includes: pretreating reactants including sodium tetraborate hydrate (Na2B4O7·xH2O, 0<x?10), a metal salt, and a reducing agent; and reacting the pretreated reactants by a ball-milling method, wherein the metal salt includes NaHCO2, KHCO2, LiHCO2, NaHCO3, Na2CO3, NaOH, KHCO3, K2CO3, LiHCO3, Li2CO3, Na2O2, NaH, or a combination thereof.

Abstract: Provided is a power management device including a first power domain operating in a sleep mode consuming minimal power, and a second power domain turned on exclusively when a wake signal is received from an external device within a communication range of the first power domain, wherein the first power domain includes an always-on Digital Low-DropOut (DLDO), and the second power domain includes a main Low-DropOut (LDO), and split sequence control is performed on power management in the first power domain and the second power domain.

Abstract: A display device is provided. A display device including a plurality of light-output areas through which incident light is emitted and a light-blocking area which blocks the incident light, the display device includes a substrate, a bank layer which is disposed in the light-blocking area on the substrate and defines a plurality of openings, each of which is disposed in one of the plurality of light-output areas, and a color control pattern disposed in the opening of the bank layer, wherein the bank layer includes a first bank area which has a first thickness and defines the plurality of openings and a second bank area which is disposed between the plurality of openings and has a second thickness smaller than the first thickness.

Abstract: A catalyst structure for preparing synthetic gas includes a substrate including flow paths partitioned by partition walls, and catalytic material disposed on the surface of the partition walls of the substrate and including a metal oxide carrier and metal active particles supported on the metal oxide carrier, wherein the substrate includes silicon carbide (SIC), silicon nitride (Si3N4), a metallic silicon (Si)-silicon carbide (SIC) composite, a metallic silicon (Si)-silicon nitride (Si3N4) composite, or a combination thereof.

Abstract: The present invention relates to a heat exchanger and a bypass valve used in the heat exchanger, which are provided in consideration of cooling/heating performance. An object of the present invention is to provide a heat exchanger, which adopts a variable path in consideration of cooling/heating performance to solve a problem in which cooling performance and heating performance vary depending on the number of paths, and a bypass valve used in the heat exchanger. More specifically, another object of the present invention is to provide a heat exchanger, which is designed to change the number of paths in consideration of cooling/heating performance so as to be optimized for performance in a cooling mode and performance in a heating mode, and a bypass valve used in the heat exchanger.

Abstract: A hydrogen storage-compression system has a hydrogen storage-compression apparatus and a thermal management system. The apparatus includes a casing and a plurality of storage-compression units mounted within an internal chamber of the casing. Each storage-compression unit includes a container and a metal hydride for hydrogen storage-compression contained within the container. The storage-compression containers are interconnected by a hydrogen gas circuit flow system to a hydrogen inlet and outlet for connection to a hydrogen consumer and a hydrogen source. The thermal management system includes a thermal liquid circuit system and a heat exchanger system. The circuit system includes a closed loop thermal liquid flow circuit, a thermal liquid flowing within the flow circuit, and a pump for pumping the thermal liquid in the flow circuit.

Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.

Abstract: The present disclosure relates to a sulfide-based solid electrolyte having a new composition and a new crystal structure.

Abstract: Disclosed techniques and solutions can provide improved snapshot replication. Typically, an initial replica obtained using snapshot replication is periodically updated. However, the update process can unnecessarily consume computing resources if data in a source data object has not changed with respect to data in a replica data object. Disclosed techniques check to determine whether a snapshot replica is out of date before obtaining a new snapshot. The checks can be performed on manual request or on the occurrence of triggers, such as receiving a query that accesses the replica data object or according to a schedule. Information for current and prior versions of the remote data object can be compared to determine whether a replica is out of date, such as digest values of contents of the remote data object or timestamps associated with the remote data object.

Abstract: Provided are a metal-aqueous battery and a hydrogen generation and carbon dioxide storage system including the same. The metal-aqueous battery may include a double cell. The double cell may include a pair of single cells. Each of the single cells include an anode, a cathode, a separator interposed between the anode and the cathode, and a cathode spacer interposed between the separator and the cathode and configured to form a gap between the separator and the cathode. The double cell may also include a current collector interposed between the pair of single cells such that cathodes of the single cells face each other across the current collector.

Abstract: A battery SOH estimating apparatus according to an embodiment of the present disclosure includes a SOH estimating unit configured to estimate a first SOH of a battery based on the measured voltage and current of the battery; a SOC change calculating unit configured to calculate a SOC change region and a SOC change amount of the battery based on the measured voltage; a weight calculating unit configured to calculate a weight based on a SOC region factor calculated by comparing the SOC change region with a preset criterion SOC region, a SOC change amount factor based on the SOC change amount, and a temperature factor based on the measured temperature of the battery; and a SOH correcting unit configured to correct the first SOH according to the calculated weight and a preset second SOH.

Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.

Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.

Abstract: A rechargeable metal battery with an improved efficiency, and a hydrogen generation and carbon dioxide storage system equipped with the same battery. A metal battery according to one embodiment includes an electrode unit including a metal electrode, a discharging unit disposed on a first side of the electrode unit; a charging unit disposed on a second side of the electrode unit, a first ion exchange membrane interposed between the electrode unit and the discharging unit, and a second ion exchange membrane interposed between the electrode unit and the charging unit.

Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.

Abstract: A metal-carbon dioxide battery includes an anion exchange membrane. The metal-carbon dioxide battery includes an anode, a cathode, the anion exchange membrane located between the anode and the cathode, a first supply unit configured to provide a first electrolyte to the anode, and a second supply unit configured to provide a second electrolyte including protons and bicarbonate ions to the cathode.

Abstract: Systems and methods include storage of a plurality of encrypted data pages of a row store database table in a persistent storage system, determination of a first encryption key associated with one of the plurality of encrypted data pages based on a header of the one of the plurality of encrypted data pages, determination of whether the first encryption key has been revoked, and, if it is determined that the first encryption key has been revoked, adding of a portion of volatile memory allocated to the one of the plurality of data pages to a free list.

Abstract: A catalyst for a fuel cell includes: a crystalline carbon support having a specific surface area of about 200 m2/g to about 500 m2/g; and intermetallic active particles of a transition metal and a noble metal, wherein the intermetallic active particles are supported on the crystalline carbon support and have a particle diameter of greater than or equal to about 3 nm.

Abstract: A hydrogen generation and carbon dioxide storage system is capable of selectively dissolving and storing carbon dioxide contained in a mixed gas such as steel byproduct gas, exhaust gas, or the like. The system includes: a metal-carbon dioxide battery with an anode, a cathode, and a separator between the anode and the cathode; a first supply unit to supply a first electrolyte to the anode; a second supply unit to supply a second electrolyte to the cathode; a separation unit to separate hydrogen gas from a product discharged from the cathode; and a dissolution unit downstream of the separation unit to prepare a precursor by receiving a starting material and dissolving carbon dioxide in the starting material.