Abstract: Disclosed is an ionomer for a high-temperature polymer electrolyte membrane fuel cell, which includes a phosphorus (P)-containing functional group having proton conductivity and partially contains fluorine in the main chain thereof.

Abstract: Disclosed is a composite for forming a coacervate interfacial film. The composite for forming the coacervate interfacial film contains a cationic hectorite nanoplate-shaped particle structure containing a hectorite nanoplate-shaped particle and a cationic surfactant coupled to a surface of the hectorite nanoplate-shaped particle, and an anionic cellulose nanofibril containing an anionic functional group in at least a portion thereof, in which the composite may form the coacervate interfacial film at an interface of an oil phase and a water phase through electrostatic interaction between the cationic surfactant and the anionic functional group.

Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

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 high-temperature polymer electrolyte membrane fuel cell including a polymer of intrinsic microporosity that prevents phosphoric acid poisoning and a method for manufacturing the same are disclosed. It is possible to improve the electrochemical efficiency of high-temperature polymer electrolyte membrane fuel cells based on development of a polymer of intrinsic microporosity with thermal stability and cationic conductivity.

Abstract: Disclosed is a performance evaluation apparatus of a fuel cell electrode. The performance evaluation apparatus includes a working electrode unit configured such that a working electrode is disposed therein, gas is supplied to an inside of the working electrode unit, and voltage and current are measured by a current collection rod, a counter electrode unit provided to guide mounting of the working electrode unit so that a counter electrode faces the working electrode, and configured to store an electrolyte solution, current is measured by the current collection rod, and voltage is measured by a reference electrode immersed in the electrolyte solution, a heater unit immersed in the electrolyte solution to heat the electrolyte solution, and a control unit configured to selectively adjust a temperature of the heater unit within a set temperature range, and to evaluate performance of the working electrode.

Abstract: Disclosed are an ionic conductivity measurement device and method for a fuel cell, which enable accurate measurement of ionic conductivity of a membrane electrode assembly for a fuel cell under various conditions. The ionic conductivity measurement device includes a main body frame, a clamp handle mounted to the upper portion of the main body frame, a lift shaft connected to the clamp handle so as to be movable upwards and downwards, a motion jig mounted to the main body frame so as to be movable upwards and downwards and including an upper support frame connected to the lower end of the lift shaft and a specimen support frame connected to the upper support frame, a lower support frame mounted to the lower end portion of the main body frame, an upper probe pin mounted to the upper support frame, and a lower probe pin mounted to the lower support frame.

Abstract: Disclosed are a method of manufacturing a composite anode for a lithium ion battery and a composite anode for a lithium ion battery manufactured thereby. According to the method provide herein, since a metal catalyst precursor is reduced using Joule heating to obtain a carbon-metal catalyst composite layer, composite anode for a lithium ion battery having a large area in a short period of time can be provided, which is excellent in terms of economic feasibility. Further, since it is possible to manufacture a composite anode for a lithium ion battery with the improved lithium electrodeposition density and reversibility of lithium ions, a composite anode for a lithium ion battery having high capacity and improved life stability can be obtained.

Abstract: Provided is a method for manufacturing a membrane-electrode assembly. The method includes forming an electrode layer, preparing a porous support layer, and positioning the electrode layer on each of both surfaces of the porous support layer and hot-pressing the electrode layer positioned on the both surfaces. The forming of the electrode layer incudes forming a functional layer including a hydrogen ion conductive binder resin on at least a portion of an electrode catalyst layer, and forming an electrolyte layer on at least a portion of the functional layer. The preparing of the porous support layer includes performing a pretreatment process by impregnating the porous support layer with a pretreatment composition, and the performing of the pretreatment process includes dipping the porous support layer in a first pretreatment composition and then drying the porous support layer, and dipping the porous support layer after drying in a second pretreatment composition.

Abstract: Provided are a robot cleaner and a method of controlling the same. The robot cleaner includes a main body, a driver included in the main body and supplying power for driving the robot cleaner to travel, first, second, and third rotation members that are rotated around first, second, and third rotation axes, respectively, using power of the driver and to which cleaners for wet cleaning of a cleaning target surface are fixedly installed, respectively, and a controller controlling at least one of a rotation direction or a rotation speed of the third rotation member to adjust a travel direction of the robot cleaner, wherein the third rotation axis is parallel to a perpendicular direction of the robot cleaner.

Abstract: The present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell. More specifically, the present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell, the method comprising: preparing an electrode layer; preparing a porous support layer; and positioning the electrode layer on each of both surfaces of the porous support layer, and hot pressing the electrode layer positioned on both surfaces of the porous support layer, wherein the preparing of the electrode layer comprises: forming a functional layer including a hydrogen ion conductive binder resin on at least a portion on an electrode catalyst layer; and forming an electrolyte layer on at least a portion on the functional layer.

Abstract: An organic-inorganic composite anion exchange membrane for non-aqueous redox flow batteries, which contains a polyvinylidene fluoride polymer, and a method for preparing the same are disclosed.

Abstract: An organic-inorganic composite anion exchange membrane for non-aqueous redox flow batteries, which contains a polyvinylidene fluoride polymer, and a method for preparing the same are disclosed.