Abstract: An air purification module comprises a housing having an interior space provided with an air inlet and an air outlet, and an axial type blowing fan, mounted in the housing, for moving air from the air inlet to the air outlet. The air purification module further includes an air purifying unit, provided on a flow path of the air, for purifying the air and a guide for reducing the flow rate of the air between the blowing fan and the air purifying unit. The air purifying unit includes a filter provided between the blowing fan and the air outlet and a light source unit for providing light to the filter.

Abstract: A button type secondary battery includes a wound electrode assembly; a lower can with the electrode assembly and an electrolyte in the lower can; a top plate to close the lower can; a positive electrode terminal coupled to the top plate through a gasket to be electrically insulated from the top plate with a portion of the positive electrode terminal passing through a hole in the top plate to be bonded to a positive electrode tab; a top insulator covering a top surface of the electrode assembly; and a bottom insulator covering a bottom surface of the electrode assembly. The top insulator and the bottom insulator are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one or more of the top insulator and the bottom insulator are coated with a protective layer configured to prevent thermal shrinkage from occurring.

Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.

Abstract: A pre-coating filter device includes: a filtration tank comprising a raw water inlet through which raw water flows on one side, and a drain port at the bottom; a top cover coupled to the upper part of the filtration tank and comprising a coupling hole through the middle part; a purified water discharge pipe coupled to the coupling hole of the top cover; a purified water storage space unit coupled to the lower part of the top cover and located within the filtration tank, and comprising a communication pipe connected to the central part; a filter coupling plate body coupled to the lower part of the purified water storage space unit and comprising a plurality of coupling holes through; and a pre-coating filter coupled to the coupling hole of the filter coupling plate body.

Abstract: An air purification module for purifying air includes a photocatalyst filter and a light source unit sequentially arranged in a selected direction. The light source unit is spaced apart from the photocatalyst filter to provide light to the photocatalyst filter and includes a substrate and a light source disposed on the substrate. The substrate includes at least one aperture to control a flow channel and a flow velocity of air so as to improve air purification effects through the photocatalyst filter when the air flows from the substrate towards the photocatalyst filter.

Abstract: A multilayer electronic component includes a body including a plurality of dielectric layers and internal electrodes, and an external electrode disposed on the body and connected to the internal electrodes. The body includes an active portion including the plurality of internal electrodes to form capacitance, and cover portions disposed on the active portion, and the cover portions include an outer cover portion including a carbon compound and an inner cover portion disposed between the active portion and the outer cover portion. An average carbon content (Cc2) of the outer cover portion compared to an average carbon content (Cc1) of the inner cover portion satisfies 100?Cc2/Cc1?10,000.

Abstract: A method of diagnosing malfunctioning of a bypass diode in a solar photovoltaic battery system is provided. The method may include: collecting solar photovoltaic battery operation information indicating a solar photovoltaic battery operation state, from a signal of a solar photovoltaic battery detection unit, while maximum power point tracking control is performed with the solar photovoltaic battery system in operation; and determining whether or not the bypass diodes based on the collected solar photovoltaic battery operation information.

Abstract: An integrated flexible thermoelectric device includes p-type carbon nanoparticle regions and n-type carbon nanoparticle regions which are alternately and continuously connected to each other. In particular, the p-type carbon nanoparticle regions and the n-type carbon nanoparticle regions are formed on the one carbon nanoparticle paper.

Abstract: A photovoltaic (PV) panel mounting system for a vehicle includes: a PV panel movably mounted on a vehicle panel; a first electrode electrically connected to the PV panel; a second electrode attached to the vehicle panel and electrically connected to the first electrode; and a damping mechanism elastically supporting the PV panel with respect to the vehicle panel. The damping mechanism allows the PV panel to move between a first position and a second position. The first position refers to a position in which an outer surface of the PV panel is flush with an outer surface of the vehicle panel and the second position refers to a position in which the outer surface of the PV panel is recessed from the outer surface of the vehicle panel.

Abstract: An integrated flexible thermoelectric device includes p-type carbon nanoparticle regions and n-type carbon nanoparticle regions which are alternately and continuously connected to each other. In particular, the p-type carbon nanoparticle regions and the n-type carbon nanoparticle regions are formed on the one carbon nanoparticle paper.

Abstract: A solar cell module for a vehicle panel includes a solar cell that generates electric power using sunlight. The solar cell module further includes a connector that is electrically connected to the solar cell and that electrically connects a panel-side electrode formed on an inner surface of the vehicle panel and the solar cell. The connector extends from the solar cell in a coupling direction in which the solar cell is combined with the vehicle panel. The connector is connected to the panel-side electrode to electrically connect the panel-side electrode and the solar cell when the solar cell is mounted in a predetermined position of the vehicle panel.

Abstract: Disclosed herein is an automotive solar cell roof panel which may be manufactured by adjusting the width and number of cells according to a transparent part and an opaque part in one solar cell module, thus improving output and simplifying a structure. The first and second solar cells include a plurality of transparent-part cells and a plurality of opaque-part cells whose widths and numbers are adjusted according to a current density and a voltage ratio. As such, it is unnecessary to array different kinds of solar cells with different voltage or current ranges, thus maximizing output in one solar cell module, and an additional wiring structure for individually controlling output power, an additional converter, and additional control for voltage matching may not be required, thus simplifying a process.

Abstract: An integrated flexible thermoelectric device includes p-type carbon nanoparticle regions and n-type carbon nanoparticle regions which are alternately and continuously connected to each other. In particular, the p-type carbon nanoparticle regions and the n-type carbon nanoparticle regions are formed on the one carbon nanoparticle paper.

Abstract: A method of diagnosing malfunctioning of a bypass diode in a solar photovoltaic battery system is provided. The method may include: collecting solar photovoltaic battery operation information indicating a solar photovoltaic battery operation state, from a signal of a solar photovoltaic battery detection unit, while maximum power point tracking control is performed with the solar photovoltaic battery system in operation; and determining whether or not the bypass diodes based on the collected solar photovoltaic battery operation information.

Abstract: A photovoltaic (PV) panel mounting system for a vehicle includes: a PV panel movably mounted on a vehicle panel; a first electrode electrically connected to the PV panel; a second electrode attached to the vehicle panel and electrically connected to the first electrode; and a damping mechanism elastically supporting the PV panel with respect to the vehicle panel. The damping mechanism allows the PV panel to move between a first position and a second position. The first position refers to a position in which an outer surface of the PV panel is flush with an outer surface of the vehicle panel and the second position refers to a position in which the outer surface of the PV panel is recessed from the outer surface of the vehicle panel.

Abstract: An air-conditioning system for a vehicle includes: a blower unit connected to an internal air flow path and an external air flow path and configured to selectively suction or discharge air; a flow path housing configured to guide air suctioned through the blower unit to the interior of the vehicle; a carbon dioxide capture module configured to selectively capture carbon dioxide contained in the air flowing into the flow path housing; and a door disposed between the flow path housing and the carbon dioxide capture module in order to selectively open or close the flow path housing.

Abstract: A radiation heater for a vehicle includes a plurality of heating layers spaced apart from each other by a predetermined division pattern on a substrate made of an insulating material, and a pair of electrodes attached to each heating layer. In addition, the pair of electrodes include a center electrode attached to a central portion of the heating layer, and a peripheral electrode attached to a portion of the heating layer adjacent to an edge thereof. The plurality of heating layers are made of a carbon-family material or carbon-based material, and the center electrode and the peripheral electrode are also made of a carbon-family material or carbon-based material.

Abstract: Various aspects of the present invention are directed to providing a perovskite solar cell, and has a technical feature in that excellent stability and high efficiency are simultaneously secured by using a solid solution having a specific composition as a light absorber.

Abstract: A solar cell module for a vehicle panel includes a solar cell that generates electric power using sunlight. The solar cell module further includes a connector that is electrically connected to the solar cell and that electrically connects a panel-side electrode formed on an inner surface of the vehicle panel and the solar cell. The connector extends from the solar cell in a coupling direction in which the solar cell is combined with the vehicle panel. The connector is connected to the panel-side electrode to electrically connect the panel-side electrode and the solar cell when the solar cell is mounted in a predetermined position of the vehicle panel.

Abstract: A display device including a display panel having an active area to display an image, and an inactive area provided with a pattern disposed thereto to apply an electrical signal to the active area, a side cover having a peripheral frame disposed at an outer portion of the display panel to form a side portion exterior of the display device, and a support frame extended from the peripheral frame to be disposed at a rear of the display panel and supporting the display panel, and a black matrix disposed at a front of the inactive area to hide a pattern of the inactive area.