Abstract: Disclosed are: an ionomer dispersion having high dispersion stability while also containing high content of ionomer solids, thus optimizing the ionomer morphology in a polymer electrolyte membrane to allow both the ion conductivity and durability of the polymer electrolyte membrane to be improved; a method for producing the ionomer dispersion; and a polymer electrolyte membrane produced using the method.

Abstract: Disclosed are: a reinforced composite membrane-type polymer electrolyte membrane which can prevent the loss of an ion conductor even when the ion conductor is chemically deteriorated due to long-term use, and thus has remarkably enhanced mechanical and chemical durability; a method for manufacturing same; and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises: a non-crosslinked ion conductor; and a porous support having a plurality of pores filled with the ion conductor, wherein the porous support comprises a polymer having at least one crosslinking functional group, and the crosslinking functional group is a functional group which, when the ion conductor is deteriorated, can cause crosslinking of the ion conductor by binding to the deteriorated ion conductor.

Abstract: A polymer electrolyte membrane, a method for manufacturing the same, and a membrane electrode assembly containing the polymer electrolyte membrane are disclosed. The polymer electrolyte membrane includes: a fluorine-based support containing a plurality of pores due to polymer microfibrillar structures; a hybrid porous support placed on one side or both surfaces of the fluorine-based support and comprising nanowebs obtained by integrating nanofibers into a nonwoven fabric containing a plurality of pores; and ion conductors with which the pores of the porous support are filled. The polymer electrolyte membrane can reduce hydrogen permeability while being excellent in both durability and ion conductivity.

Abstract: Embodiments provide a process for purifying an alkylene oxide composition, which comprises (1) obtaining a crude alkylene oxide composition comprising an ionic component; (2) passing the crude alkylene oxide composition through a molecular sieve; and (3) obtaining a purified alkylene oxide composition. A purified alkylene oxide composition suitable for a subsequent process can be obtained.

Abstract: Embodiments provide a process for purifying an alkylene oxide composition, which comprises (1) obtaining a crude alkylene oxide composition comprising an ionic component; (2) passing the crude alkylene oxide composition through a molecular sieve; and (3) obtaining a purified alkylene oxide composition. A purified alkylene oxide composition suitable for a subsequent process can be obtained.

Abstract: The present invention relates to a polymer electrolyte membrane, a manufacturing method therefor, and a membrane electrode assembly comprising same, the polymer electrolyte membrane comprising: a first porous support having first pores filled with a first ion conductor; and a second porous support having at least one second pore filled with the first ion conductor and third pores filled with a second ion conductor, wherein the first and second porous supports are in contact with each other. The polymer electrolyte membrane has enhanced performance through the improvement of impregnation properties and enhanced mechanical and chemical durability through the minimization of hydrogen permeability and dimensional change. Furthermore, an interface between the ion conductor and the support in the polymer electrolyte membrane can be stably maintained for a long time.

Abstract: A polymer electrolyte membrane, a method for manufacturing the same, and a membrane electrode assembly containing the polymer electrolyte membrane are disclsosed. The polymer electrolyte membrane includes: a fluorine-based support containing a plurality of pores due to polymer microfibrillar structures; a hybrid porous support placed on one side or both surfaces of the fluorine-based support and comprising nanowebs obtained by integrating nanofibers into a nonwoven fabric containing a plurality of pores; and ion conductors with which the pores of the porous support are filled. The polymer electrolyte membrane can reduce hydrogen permeability while being excellent in both durability and ion conductivity.

Abstract: The present invention relates to an ion conductor, a method for producing the same, and an ion exchange membrane, a polymer electrolyte membrane and a fuel cell including the same. The ion conductor includes a repeat unit represented by the following Formula 1, and a repeat unit represented by the following Formula 2 or a repeat unit represented by the following Formula 5. Formulae 1, 2 and 3 are described as in the Detailed Description of the Invention.

Abstract: Disclosed are a polymer electrolyte membrane, a method of manufacturing the membrane, and a membrane-electrode assembly including the membrane. The polymer electrolyte membrane contains a porous support having a plurality of pores, a first layer including a first ion conductor that fills the pores adjoining one surface of the porous support, and a second layer including a second ion conductor that fills the pores adjoining the other surface of the porous support, wherein the first ion conductor and the second ion conductor are different from each other, and one selected from the group consisting of the first layer, the second layer, and a combination thereof includes an organic-based antioxidant.

Abstract: Disclosed are a method and an apparatus for verifying times and locations of image data of cameras for vehicles. The method for verifying times and locations of image data of cameras for vehicles includes anonymously receiving digests including locations and times of data created by cameras for a plurality of vehicles, respectively, forming a mesh structure by bi-directionally connecting the cameras for the plurality of vehicles to cameras for adjacent vehicles, based on a relationship between the received digests, and if the mesh structure is formed, verifying times and locations for the digests constituting the mesh structure based on the formed mesh structure.

Abstract: A window film and a flexible display including the same. The window film includes a base layer, a window coating layer on a surface of the base layer, and a back coating layer on another surface of the base layer, wherein the window coating layer is formed from a composition for window coating layers comprising a silicon-based resin, and the window film has an elastic modulus of about 1,000 Mpa or more on the back coating layer and has a pencil hardness of about 6H or higher on an adhesive layer.

Abstract: Provided are: a composition for a window film, containing a siloxane resin including chemical formula 1 below and an iodonium ion-containing photo-cationic initiator; a flexible window film formed therefrom; and a flexible display device comprising the same. Chemical formula 1: (R1SiO3/2)x(R2R3SiO2/2)y.

Abstract: The present invention relates to an ion exchanging membrane, a method for manufacturing the same, and an energy storage system comprising the same. The ion exchanging membrane includes a porous support including a plurality of pores, a first ion conducting material located on one surface of the porous support, and a second ion conducting material located on the other surface of the porous support, in which the first ion conducting material and the second ion conducting material are polymers including hydrophilic repeating units and hydrophobic repeating units, and the first ion conducting material and the second ion conducting material have different molar ratios of the hydrophilic repeating units and the hydrophobic repeating units.

Abstract: Provided are a polymer electrode membrane including a porous support including a web of nanofibers of a first hydrocarbon-based ion conductor that are arranged irregularly and discontinuously; and a second hydrocarbon-based ion conductor filling the pores of the porous support, the first hydrocarbon-based ion conductor being a product obtained by eliminating at least a portion of the protective groups (Y) in a precursor of the first hydrocarbon-based ion conductor represented by Formula (1), a method for producing the polymer electrolyte membrane, and a membrane electrode assembly including the polymer electrolyte membrane: wherein m, p, q, M, M?, X and Y respectively have the same meanings as defined in the specification.

Abstract: The present invention relates to an ion exchanging membrane, a method for manufacturing the same, and an energy storage system comprising the same. The ion exchanging membrane includes a porous support including a plurality of pores, a first ion conducting material located on one surface of the porous support, and a second ion conducting material located on the other surface of the porous support, in which the first ion conducting material and the second ion conducting material are polymers including hydrophilic repeating units and hydrophobic repeating units, and the first ion conducting material and the second ion conducting material have different molar ratios of the hydrophilic repeating units and the hydrophobic repeating units.

Abstract: The present invention relates to an ion exchange membrane, a method for manufacturing the same, and an energy storage device including the same, and the ion exchange membrane includes a porous support including a plurality of pores and an ion conductor filling the pores of the porous support, in which the porous support includes micropores having a size of 31 to 1000 ?m. The ion exchange membrane may achieve high energy efficiency in the case of being applied to an energy storage device such as a vanadium redox inflow battery due to high charge/discharge cycle durability, high ion-conductivity, and excellent chemical and thermal stability.

Abstract: Disclosed are a reinforced composite membrane for fuel cells including a porous support comprising three-dimensionally irregularly and discontinuously arranged nanofibers of a polymer and a first ionic conductor, and a second ionic conductor filling pores of the porous support, wherein the first ionic conductor is present as nanofibers in the porous support or is present in the nanofibers of the polymer to form the nanofibers together with the polymer, and a membrane-electrode assembly for fuel cells including the same. As a result, impregnation uniformity and impregnation rate of the ionic conductors are improved and proton (hydrogen ion) conductivity is thus enhanced.

Abstract: The present invention relates to an ion exchange membrane, a method for manufacturing the same, and an energy storage device including the same, and the ion exchange membrane includes a porous support including a plurality of pores and an ion conductor filling the pores of the porous support, in which the porous support includes micropores having a size of 31 to 1000 ?m. The ion exchange membrane may achieve high energy efficiency in the case of being applied to an energy storage device such as a vanadium redox inflow battery due to high charge/discharge cycle durability, high ion-conductivity, and excellent chemical and thermal stability.

Abstract: The present invention relates to an ion conductor, a method for producing the same, and an ion exchange membrane, a polymer electrolyte membrane and a fuel cell including the same. The ion conductor includes a repeat unit represented by the following Formula 1, and a repeat unit represented by the following Formula 2 or a repeat unit represented by the following Formula 5. Formulae 1, 2 and 3 are described as in the Detailed Description of the Invention.

Abstract: Disclosed are a method and an apparatus for verifying times and locations of image data of cameras for vehicles. The method for verifying times and locations of image data of cameras for vehicles includes anonymously receiving digests including locations and times of data created by cameras for a plurality of vehicles, respectively, forming a mesh structure by bi-directionally connecting the cameras for the plurality of vehicles to cameras for adjacent vehicles, based on a relationship between the received digests, and if the mesh structure is formed, verifying times and locations for the digests constituting the mesh structure based on the formed mesh structure.