Abstract: Provided are stretchable electronics and a method for manufacturing the same. The stretchable electronics may include a substrate, a plurality of electronic elements disposed to be spaced apart from each other on the substrate, and a wire structure disposed on the substrate to connect the plurality of electronic elements to each other. The wire structure may include an insulator extending from one of the electronic elements to the other of the adjacent electronic elements and a metal wire configured to cover a top surface and side surfaces of the insulator. The insulator may include at least one bent part in a plan view.

Abstract: Proposed are a card payment blocking system and method using a card location identification function of a dedicated application. More particularly, provided is a payment method, in which when a user makes payment by a card registered in a dedicated application using a card location identification function of the dedicated application, payment is approved if location information of a terminal on which the dedicated application is installed and location information of an affiliated store POS device or an online affiliated store at which the card is used exist inside a set identification area, or payment is blocked if the two pieces of information exist outside the set identification area.

Abstract: The present disclosure relates to a multilayer reinforced composite electrolyte membrane and a method for manufacturing the same. The multilayer reinforced composite electrolyte membrane according to the present disclosure has sufficient mechanical properties and improved membrane resistance at the same time since a porous support is impregnated in an ionomer and it is stacked in a multilayer structure. Furthermore, since the composite electrolyte membrane has no wrinkles and cracks due to excellent dimensional stability, it can improve the electrochemical properties of batteries.

Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. The mother substrate comprises a plurality of display area including a plurality of light-emitting areas configured to receive light-emitting elements, a plurality of wirings, and a plurality of pads connected to the plurality of wirings; a conductive ring in a non-display area that surrounds the display area such that each of the display areas is surrounded by the conductive ring and electrically connected to the pads; a photoresist pattern covering the plurality of display areas and the non-display area; and a first metal layer covering the photoresist pattern. The conductive ring includes an electrostatic blocking area.

Abstract: Provided are a payment advertisement system and a payment advertisement method for a card payment application, wherein an advertisement is directly created and published with an advertiser terminal, and when a payment transaction is completed using a card payment application on a payer terminal, the published advertisement is added to a payment receipt and output to a screen of the payer terminal, or wherein a digital card skin designed with an advertisement of an advertiser is selected and applied to a card linked to a card payment application using a payer terminal, and when a payment is conducted with the card, the advertisement of the affiliated store is exposed to a screen of the payer terminal.

Abstract: Disclosed herein are an anodic electrode, a water electrolysis device including the same, and a method of preparing the same. Exemplary embodiments of the present disclosure may provide an anodic electrode that has excellent performance while lowering a loading amount of noble metal, particularly iridium oxide by forming a metal nitride layer on a substrate and forming an iridium oxide layer on the metal nitride layer by an electrodeposition.

Abstract: Provided is a fluorine-doped tin oxide support, a platinum catalyst for a fuel cell having the same, and a method for producing the same. Also described is a high electrical conductivity and electrochemical durability by doping fluorine to the tin oxide-based support through an electrospinning process. Thus, while resolving a degradation issue of the carbon support in the conventional commercially available platinum/carbon (Pt/C) catalyst, what is designed is to minimize an electrochemical elution of dopant or tin, which is a limitation of the tin oxide support itself and has excellent performance as a catalyst for a fuel cell.

Abstract: Disclosed are an oxidizing electrode, a water electrolysis device including the same and a method for manufacturing the same. According to exemplary embodiments of the present disclosure, there is provided an oxidizing electrode with improved performance at low loadings of noble metals, especially, ruthenium (Ru) and iridium oxide, in which a ruthenium (Ru) layer and an iridium oxide layer formed on a substrate by electrodeposition in a sequential order are supported by electrochemical reaction rather than physical bonding.

Abstract: Disclosed are a catalyst electrode for a fuel cell, a method for fabricating the catalyst electrode, and a fuel cell including the catalyst electrode. The presence of an ionomer-ionomer support composite in the catalyst electrode prevents the porous structure of the catalyst electrode from collapsing due to oxidation of a carbon support to avoid an increase in resistance to gas diffusion and can stably secure proton channels. The presence of carbon materials with high conductivity is effective in preventing the electrical conductivity of the electrode from deterioration resulting from the use of a metal oxide in the ionomer-ionomer support composite and is also effective in suppressing collapse of the porous structure of the electrode to prevent an increase in resistance to gas diffusion in the electrode. Based on these effects, the fuel cell exhibits excellent performance characteristics and prevents its performance from deteriorating during continuous operation.

Abstract: The present disclosure relates to antioxidant for a polymer electrolyte membrane fuel cell electrode catalyst, which includes cerium hydrogen phosphate (HCe2(PO4)3(H2O)) in the form of a nanofiber, and an electrode and a membrane-electrode assembly including the same. The electrode for a polymer electrolyte membrane fuel cell of the present disclosure, wherein the antioxidant is dispersed, can improve the mechanical strength of an electrode catalyst layer and can minimize deterioration of chemical durability even after long-term operation. And, a fuel cell including the same can exhibit high output performance and can operate stably even after long-term operation.

Abstract: Disclosed is an antioxidant for a polymer electrolyte membrane of a fuel cell including cerium hydrogen phosphate (CeHPO4). The presence of cerium hydrogen phosphate in the antioxidant enhances the dissolution stability of cerium and improves the ability to capture water, leading to an increase in proton conductivity. In addition, the cerium hydrogen phosphate has a crystal structure composed of smaller cerium particles. This crystal structure greatly improves the ability of the antioxidant to prevent oxidation of the electrolyte membrane. Also disclosed are an electrolyte membrane including the antioxidant, a fuel cell including the electrolyte membrane, a method for preparing the antioxidant, a method for producing the electrolyte membrane, and a method for fabricating the fuel cell.

Abstract: A semiconductor device includes a trench defining an active region in a substrate, a first insulating layer on a bottom surface and side surfaces of the active region inside the trench, a shielding layer on a surface of the first insulating layer, the shielding layer including a plurality of spaced apart particles, a second insulating layer on the shielding layer and having first charge trapped therein, the plurality of spaced apart particles being configured to concentrate second charge having an opposite polarity to the charge trapped in the second insulating layer, and a gap-fill insulating layer on the second insulating layer in the trench.

Abstract: Provided are a card payment method and system through application linkage. More particularly, provided are a card payment method and system through application linkage, wherein applications are installed on a payment terminal and a user terminal, a payment card is linked to the application on the user terminal, an application server manages the linkage, and in the case of a payment transaction, the application server performs a relay between the payment terminal and the user terminal so that transaction information input to the payment terminal is checked with the user terminal, and the payment terminal completes the transaction with a signature and tip setting input to the user terminal.

Abstract: The present disclosure relates to a polyarylene ether-based polymer for an electrolyte membrane of a fuel cell, represented by the following Chemical Formula 1. When the polyarylene ether-based polymer for an electrolyte membrane of a fuel cell is applied to the manufacture of a membrane-electrode assembly through a decal process, the hot pressing temperature may be controlled to about 120° C. so as to conform to a low glass transition temperature. Therefore, it is possible to solve the problems of deterioration of an electrolyte membrane or incomplete transfer of an electrode catalyst layer, caused by the high hot pressing temperature applied in the case of the conventional hydrocarbon-based polymer material.

Abstract: The present disclosure discloses an asymmetric electrolyte membrane, a membrane electrode assembly including the same, a water electrolysis apparatus including the same and a method for manufacturing the same. More particularly, it discloses an asymmetric electrolyte membrane having a porous layer and a dense layer at the same time, a membrane electrode assembly including the same, a water electrolysis apparatus including the same and a method for manufacturing the same.

Abstract: There is provided a semiconductor memory device capable of improving the performance and/or the reliability of a device. The semiconductor memory device includes a substrate having a cell area and a peripheral area defined along a periphery of the cell area, wherein the cell area includes an active area defined by a cell element separation film, a cell area separation film in the substrate and defining the cell area, and a plurality of storage contacts connected to the active area, and arranged along a first direction. The plurality of storage contacts includes a first storage contact, a second storage contact, and a third storage contact, wherein the second storage contact is between the first storage contact and the third storage contact, each of the first storage contact and the third storage contact contains or surrounds or defines an airgap, and the second storage contact is free of an airgap.

Abstract: Provided are a payment method and system through generation of a one-time payment-only number of a real card linked with an application, wherein in order to make payment safely by generating a one-time payment-only number every payment without leaving card information of a user in a provider's payment terminal or by using the generated one-time payment-only number, when a real card is linked with an application installed on a user terminal and the payment terminal recognizes the real card, a user signature input window, and transaction information about payment performed with a one-time payment-only number generated by a card company server are displayed on a screen of the application of the user terminal, and payment is performed when a signature of the user is input to the signature input window.

Abstract: According to an embodiment of the present invention, the method includes: (a) preparing a liquid cell containing a palladium precursor solution; (b) applying electron beams to the palladium precursor solution contained in the liquid cell; and (c) generating palladium hydride nanoparticles having the hcp crystal structure in the palladium precursor solution.

Abstract: A semiconductor device includes a trench defining an active region in a substrate, a first insulating layer on a bottom surface and side surfaces of the active region inside the trench, a shielding layer on a surface of the first insulating layer, the shielding layer including a plurality of spaced apart particles, a second insulating layer on the shielding layer and having first charge trapped therein, the plurality of spaced apart particles being configured to concentrate second charge having an opposite polarity to the charge trapped in the second insulating layer, and a gap-fill insulating layer on the second insulating layer in the trench.

Abstract: Provided is a payment method using a one-time payment security code based on a color pixel code. In the payment method, arbitrary color pixel codes are first disposed on a color grid image screen that is formed with color pixels of various colors in a smartphone-dedicated application, a user inputs a user pattern to select color pixels, a one-time payment security code is generated by combining the color pixel codes and the user pattern, and the one-time payment security code is utilized as information for paying for the user's purchase of a product or a service.