Abstract: An ionic conductivity measurement device of an electrolytic membrane includes a humidification chamber configured to accommodate an ion-conductive electrolytic membrane and having concave grooves respectively formed at both sides thereof which face the electrolytic membrane to form a measurement space for measuring ionic conductivity of the electrolytic membrane; a plurality of channels formed at a bottom surface of each of the concave grooves; a gas distribution unit detachably coupled to each of the concave grooves with the electrolytic membrane being interposed therebetween; and a plurality of electrodes provided in contact with one side of the electrolytic membrane and supported by the gas distribution unit, the plurality of electrodes being disposed side by side to measure an impedance of the electrolytic membrane.

Abstract: A folder type door unit and a clothes treating apparatus having the same are provided. The clothes treating apparatus includes a main body in which an internal space configured to receive clothes is formed and a door unit configured to open and close an opened upper portion of the internal space. The door unit includes a first door rotatably disposed about a first hinge shaft with respect to the main body, a second door coupled to the first door and configured to be rotatable about a second hinge shaft with respect to the first door, and a damper configured to press the second door to a second direction opposite to a first direction in response to the second door being rotated to the first direction with respect to the first door.

Abstract: Disclosed is an electrochemical reaction cell enhancing a reduction reaction. The electrochemical reaction cell enhancing a reduction reaction comprises: a membrane electrode assembly including a polymer electrolytic membrane, a cathode formed by sequentially stacking a first gas diffusion layer and a first catalyst layer on one surface of the electrolytic membrane, and an anode formed by sequentially stacking a second catalyst layer and a second gas diffusion layer on the other surface of the electrolytic membrane; a first distribution plate stacked on the first catalyst layer to supply a reaction gas and a cathode electrolytic solution dissolved with the reaction gas to the first catalyst layer along separate channels; and a second distribution plate stacked on the second gas diffusion layer to supply an anode electrolytic solution to the second gas diffusion layer.

Abstract: Provided is a catalyst for an oxygen reduction reaction, including an alloy in which two metals are mixed, in which the corresponding alloy is an alloy of iridium (Ir); and silicon (Si), phosphorus (P), germanium (Ge), or arsenic (As). The corresponding catalyst for the oxygen reduction reaction may have excellent price competitiveness while exhibiting a catalytic activity which is equal to or similar to that of an existing Pt catalyst. Accordingly, when the catalyst is used, the amount of platinum catalyst having low price competitiveness may be reduced, so that a production unit cost of a system to which the corresponding catalyst is applied may be lowered.

Abstract: A system for providing sensory effects according to an embodiment of the present invention comprises an apparatus for providing vestibular rehabilitation videos configured to correct playback time of sensory effect metadata included in a plurality of integrated files based on start time of transport stream, and generate transport stream including the sensory effect metadata; and a gateway configured to receive the transport stream from the apparatus for providing vestibular rehabilitation videos, extract audio data, video data and the sensory effect metadata from the transport stream, transmit the audio data and the video data to a video player, and transmit the sensory effect metadata to an apparatus for providing sensory effects based on the corrected playback time.

Abstract: Disclosed are a 5-(2,6-dioxyphenyl)tetrazole-containing polymer, a method for preparing the same, a membrane containing the same and an electrochemical device, particularly a high temperature polymer electrolyte membrane fuel cell, including the membrane. The membrane containing the 5-(2,6-dioxyphenyl)tetrazole-containing polymer is capable of providing high proton conductivity and exhibiting good mechanical properties, thereby capable of providing superior fuel cell performance. Accordingly, the membrane may be usefully used in an electrochemical device, particularly a fuel cell, more particularly a high temperature polymer electrolyte membrane fuel cell.

Abstract: Provided is a composite polymer electrolyte membrane for a fuel cell, including: a porous fluorinated polymer support; and a perfluorinated sulfonic acid polymer resin membrane which fills the inside of pores of the porous perfluorinated polymer support and covers an external surface of the porous fluorinated polymer support.

Abstract: Disclosed are a method for preparing a pure isophthalaldehyde bisulfite adduct free from impurities through a specific purification process, and use thereof as a starting material for polymerizing polybenzimidazole under a mild condition. According to the present disclosure, it is possible to obtain a pure isophthalaldehyde bisulfite adduct free from impurities, such as unreacted materials or byproducts. In addition, it is possible to accomplish industrial mass production of a high-molecular weight polybenzimidazole by using the adduct as a starting material for polymerizing polybenzimidazole under a mild condition in an organic solvent.

Abstract: Disclosed are a method for preparing a pure isophthalaldehyde bisulfite adduct free from impurities through a specific purification process, and use thereof as a starting material for polymerizing polybenzimidazole under a mild condition. According to the present disclosure, it is possible to obtain a pure isophthalaldehyde bisulfite adduct free from impurities, such as unreacted materials or byproducts. In addition, it is possible to accomplish industrial mass production of a high-molecular weight polybenzimidazole by using the adduct as a starting material for polymerizing polybenzimidazole under a mild condition in an organic solvent.

Abstract: Exemplary embodiments relate to an apparatus and a method for providing a dynamic collaboration service. A dynamic collaboration service platform according to one embodiment may include a collaboration managing module configured to collect and manage a plurality of unit services required for collaboration to analyze application service specification related to an application service and provide the application service based on the analyzed result; a service operating module configured to install and operate the collected plurality of unit services; and an execution engine configured to provide a virtual machine for executing the plurality of unit services.

Abstract: A polymer electrolyte membrane fuel cell is provided. The polymer electrolyte membrane fuel cell includes a phosphoric acid-doped polyimidazole electrolyte membrane and a complex catalyst. In the complex catalyst, an alloy or mixture of a metal and a chalcogen element is supported on a carbon carrier. The polymer electrolyte membrane fuel cell exhibits further improved long-term operation, power generation efficiency, and operational stability at high temperature. The complex catalyst can be produced by a simple method.

Abstract: The present disclosure relates to a PtAu nanoparticle catalyst heat-treated in the presence of carbon monoxide (CO) and a method for preparing same. Since the PtxAuy nanoparticle catalyst heat-treated under CO atmosphere has high Pt surface area and superior oxygen reduction reaction (ORR) activity, a high-efficiency, high-quality fuel cell can be achieved by applying the catalyst to a fuel cell.

Abstract: Disclosed is a non-precious metal based water electrolysis catalyst represented by CoX/C (X is at least one selected from the group consisting of P, O, B, S and N) for evolution of hydrogen and oxygen at a cathode and anode, respectively, at the same time, the catalyst including a cobalt-containing compound fixed to a carbon carrier.

Abstract: Disclosed are a reversible fuel cell oxygen electrode in which IrO2 is electrodeposited and formed on a porous carbon material and platinum is applied thereon to form a porous platinum layer, a reversible fuel cell including the same, and a method for preparing the same. According to the corresponding reversible fuel cell oxygen electrode, as the loading amounts of IrO2 and platinum used in the reversible fuel cell oxygen electrode can be lowered, it is possible to exhibit excellent reversible fuel cell performances (excellent fuel cell performance and water electrolysis performance) by improving the mass transport of water and oxygen while being capable of reducing the loading amounts of IrO2 and platinum. Further, it is possible to exhibit a good activity of a catalyst when the present disclosure is applied to a reversible fuel cell oxygen electrode and to reduce corrosion of carbon.

Abstract: A method for providing a service using the Internet of Things by a service providing apparatus includes generating conceptual thing information or things group information, or both the conceptual thing information and the things group information, corresponding to one or more things information stored in a things repository; generating an application using the conceptual thing information or the things group information or both the conceptual thing information and the things group information; and providing a service, by executing the application, for performing a function of a thing corresponding to at least one of the conceptual thing information and the things group information.

Abstract: Exemplary embodiments of the present invention relate to a telepresence service providing method and an apparatus thereof. The telepresence service providing method according to the present invention comprises: receiving at least one of current location information, peripheral device information acquired at the current location, and noise information acquired at the current location from a user device; generating or updating a service profile which specifies a service mode corresponding to the user device and a device profile which specifies functions which the user device and the peripheral devices can provide, based on the received information; and transmitting data for telepresence services to at least one device of the user device and the peripheral devices based on the profiles. According to exemplary embodiments of the present invention may provide a telepresence service with consideration of user's surrounding environment.

Abstract: Provided is an electrocatalyst for anion exchange membrane water electrolysis, including a carbonaceous material, and nickel electrodeposited on the carbonaceous material, wherein nickel is partially substituted with platinum and the substitution with platinum provides increased hydrogen evolution activity as compared to the same electrocatalyst before substitution with platinum. Also provided are a method for preparing the electrocatalyst and an anion exchange membrane water electrolyzer using the same. The nickel electrocatalyst coated with an ultralow loading amount of platinum for anion exchange membrane water electrolysis shows excellent hydrogen evolution activity and has a small thickness of catalyst, thereby providing high mass transfer and high catalyst availability.

Abstract: Disclosed is an electrolyte membrane for a fuel cell including a polymer blend of a sulfonated polyethersulfone copolymer, hydroxyl group-containing polyethersulfone copolymer and a hydroxyl group-containing sulfonated polyethersulfone copolymer.

Abstract: Disclosed is a carbon support for a fuel cell catalyst that supports a metal. The carbon support includes a conductive carbon support and nitrogen atoms doped into the conductive carbon support. Also disclosed is a method for preparing the carbon support. Also disclosed is a catalyst including the carbon support. The catalyst has greatly improved degradation resistance compared to conventional catalysts for fuel cells. In addition, the catalyst is not substantially degraded even when applied to a single cell.

Abstract: Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process.