Abstract: The present application relates to a binder. The present application can provide a binder which can be applied to production of silicon series negative electrodes to cope well with shrinkage and expansion by repeated charge and discharge, and has excellent binding force between active materials and adhesive force to a current collector, and an active material composition, an electrode and a secondary battery, comprising the same.

Abstract: A cooking appliance includes a housing having a cooking compartment, which is surrounded by a bottom surface, a pair of side surfaces, and a back surface of the housing, and has an upper surface and a front surface which are open. A door includes a door upper surface part which covers the upper surface of the housing and a door front surface part which is connected to a front side of the door upper surface part and covers the front surface of the housing and opens and closes the upper surface and the front surface of the housing by rotating about a rear side of the door upper surface part. A heating part is installed in at least one of the housing or the door.

Abstract: Provided is an apparatus for generating direct current using continuous polarization change of piezoelectric materials. For example, a piezoelectric direct current generator includes a first electrode, a polarized piezoelectric material layer disposed on a first surface of the first electrode, and a second electrode disposed on a surface opposite to the first electrode and coupled to move along the piezoelectric material layer while pressing the piezoelectric material layer.

Abstract: The present invention relates to a ruthenium precursor compound, and more particularly, to a ruthenium precursor compound which is for providing ruthenium to an ammonia decomposition reaction catalyst and is represented by Formula CxHyOzNmRun, wherein x is an integer of 3 to 20, y is an integer of 0 to 32, z is an integer of 0 to 20, m is an integer of 0 to 10, and n is an integer of 1 to 3. In addition, the present invention relates to an ammonia reaction catalyst using the ruthenium precursor, and to a method for preparing the ammonia reaction catalyst, and provides an ammonia reaction catalyst having an excellent ammonia conversion rate at low temperatures, thereby being capable of efficient hydrogen production.

Abstract: A cooking appliance includes a door frame that supports a heating part and is coupled to a door such that the heating part is disposed at the door.

Abstract: Provided are a method and apparatus for providing a counseling service. A method of operating a counseling center server interworking with an instant messaging service includes creating, based on an input of a first user requesting counseling for a channel registered in the service, a first counseling ticket corresponding to the channel, determining whether the first counseling ticket is created due to switch to manned counseling during unmanned counseling based on a type of the requested counseling and a second counseling ticket created before the first counseling ticket by a request of the first user, updating an indicator for a counseling status of the channel based on a result of the determination and counseling data stored in correspondence with the second counseling ticket, and providing the updated indicator for the counseling status to a terminal of a second user linked to the channel.

Abstract: The present invention relates to a hydrogen production reactor comprising a high-efficiency composite having a high thermal conductivity and an antioxidant property. Specifically, the hydrogen production reactor comprises: a first region in which a combustion reaction of fuel occurs; a second region in which a hydrogen extraction reaction occurs; a metal substrate that partitions the first region and the second region; and a coating layer that comprises boron nitride (BN) and is formed on at least one surface of the metal substrate, wherein heat generated in the first region is transferred to the second region through the metal substrate.

Abstract: A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.

Abstract: A laminate and a method for producing a patterned substrate using the same are disclosed herein. In some embodiments, a laminate includes a substrate, and a stripe pattern having first and second polymer lines alternately and repeatedly disposed on the substrate, wherein the first polymer line comprises a first polymer having a first polymerized unit having a ring structure connected to a main chain and a second polymerized unit represented by Formula 1. The method may be applied to manufacture of devices, such as electronic devices, or of applications, such as integrated optical systems, guidance and detection patterns of magnetic domain memories, flat panel displays, liquid crystal displays (LCDs), thin film magnetic heads or organic light emitting diodes, and may be used to build a pattern on a surface used in manufacture of discrete track media, such as integrated circuits, bit-patterned media and/or magnetic storage devices such as hard drives.

Abstract: A cooking appliance includes a housing having a cooking compartment, which is surrounded by a bottom surface, a pair of side surfaces, and a back surface of the housing, and has an upper surface and a front surface which are open. A door includes a door upper surface part which covers the upper surface of the housing and a door front surface part which is connected to a front side of the door upper surface part and covers the front surface of the housing and opens and closes the upper surface and the front surface of the housing by rotating about a rear side of the door upper surface part. A heating part is installed in at least one of the housing or the door.

Abstract: The present application relates to a method for preparing a patterned substrate. The method may be applied to a process of manufacturing devices such as, for example, electronic devices and integrated circuits, or other applications, such as manufacture of integrated optical systems, guidance and detection patterns of magnetic domain memories, flat panel displays, liquid crystal displays (LCDs), thin film magnetic heads or organic light emitting diodes, and the like, and may also be used to build a pattern on a surface used in manufacture of discrete track media, such as integrated circuits, bit-patterned media and/or magnetic storage devices such as hard drives.

Abstract: The present invention relates to a catalyst in which a catalytic metal is supported on a support including a single-crystalline hexagonal material, and a preparation method therefor, wherein the catalyst can be effectively used in ammonia dehydrogenation or ammonia synthesis.

Abstract: The present invention discloses a copolymer for a polymer electrolyte, and a gel polymer electrolyte and a lithium secondary battery which include the same. Specifically, the present invention discloses a copolymer for a polymer electrolyte, which includes (A) a fluorine-based polymer, and (B) a unit derived from an acrylate-based monomer or an acrylate-based polymer, wherein the unit derived from the acrylate-based monomer or the acrylate-based polymer is grafted on the fluorine-based polymer, and a weight ratio of the fluorine-based polymer to the unit derived from the acrylate-based monomer or the acrylate-based polymer is in a range of 1:99 to 40:60, and a gel polymer electrolyte in which lithium ion transfer capability is improved by including the same. Also, the present invention may prepare a lithium secondary battery in which high-temperature safety is improved by including the gel polymer electrolyte.

Abstract: A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.

Abstract: A method for diagnosing a risk of pancreatic cancer according to an embodiment of the present disclosure includes detecting mutation or functional decrease of one or more gene selected from a group consisting of ARSA (arylsulfatase A), CTSA (cathepsin A), GAA (acid alpha-glucosidase), GALC (galactosylceramidase), HEXB (hexosaminidase subunit beta), IDUA (iduronidase), MAN2B1 (mannosidase alpha class 2B member 1), NPC1 (NPC intracellular cholesterol transporter 1) and PSAP (prosaposin) from a biological sample of a subject, and determining that there is a higher risk of the pancreatic cancer when the mutation or functional decrease of the one or more gene is detected than when neither mutation decrease nor functional decrease is detected.

Abstract: A system for determining a filter for evaluating a dissolution quality of a binder solution for a secondary battery electrode according to the present technology includes: a pressure container which accommodates a binder solution; a pressure medium supply source which supplies pressure medium of a predetermined pressure to the pressure container; a filter which is connected to the pressure container by a pipe; a flow rate measuring unit which measures a flow rate of the binder solution filtered by the filter; and a determination unit which measures a time point when a flow rate reaches a specific value predetermined in consideration of an initial flow rate by repeating measurement of the flow rate using each filter having a different pore size, and determines a filter having a filter size in an optimal pore size range based on the time point.

Abstract: Provided are a fructose-4-epimerase variant having tagatose conversion activity, and a method of producing tagatose using the same.

Abstract: A cooking appliance includes a door frame that supports a heating part and is coupled to a door such that the heating part is disposed at the door.

Abstract: According to some embodiments of the present disclosure, a display device includes: a substrate; a planarization layer on the substrate; a first alignment mark in a non-display area of the substrate; a first electrode and a second electrode in a display area of the substrate; a light emitting element electrically connected to the first electrode and the second electrode; a wavelength conversion layer on the light emitting element; a first bank on at least a part of the first electrode; and a second bank on the first bank to be around the wavelength conversion layer. A thickness of a part of the planarization layer that overlaps the first alignment mark in a thickness direction of the substrate is greater than a thickness of a part of the planarization layer that overlaps the first electrode and the second electrode in the thickness direction of the substrate.

Abstract: The present disclosure relates to a binder solution for all-solid-state batteries. The binder solution includes a polymer binder, a first solvent, and an ion-conductive additive, wherein the ion-conductive additive includes lithium salt and a second solvent, which is different from the first solvent.