Abstract: In one example, an electronic device comprises a substrate comprising a conductive structure and an inner side and an outer side, a first electronic component over the inner side of the substrate and coupled with the conductive structure, a lid over the substrate and the first electronic component and comprising a first hole in the lid, and a thermal interface material between the first electronic component and the lid. The thermal interface material is in the first hole. Other examples and related methods are also disclosed herein.

Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.

Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.

Abstract: A battery module includes a sub-module stack formed by stacking a plurality of sub-modules including a cooling member having a coolant flow path and a plurality of battery cells disposed on both surfaces of the cooling member; and a pair of bus bar frame assemblies coupled to one side and the other side of the sub-module stack to electrically connect the plurality of battery cells.

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: A battery module ac includes a cell stack in which a plurality of battery cells are vertically stacked; a module housing including a base plate supporting the cell stack, and a pair of side plates covering both side portions of the cell stack and each including a spark direction changing portion formed by bending an end portion of the side plate in a longitudinal direction of the side plate toward the cell stack; and a bus bar frame assembly covering an opening portion formed on a side of the module housing in a longitudinal direction of the module housing, the bus bar frame assembly including a bus bar frame coupled to a side of the cells tack in a longitudinal direction of the cell stack and a bus bar located on the bus bar frame and coupled to an electrode lead of the battery cell.

Abstract: A battery pack includes a sub-pack including a plurality of battery modules that are located adjacent to one another; a duct coupled to a side of the sub-pack in a width direction of the sub-pack; and a duct cover covering a duct opening portion formed on a side of the duct in a longitudinal direction of the duct, the duct cover including a filter having a mesh structure.

Abstract: A battery module includes a cell stack in which a plurality of battery cells are vertically stacked; a module housing including a base plate supporting the cell stack and a pair of side plates covering both side portions of the cell stack; a bus bar frame assembly covering an opening portion formed on a side of the module housing in a longitudinal direction of the module housing; and a plurality of spark delay portions protruding from an inner surface of each of the pair of side plates and spaced apart from one another in a height direction of the side plate.

Abstract: A vehicle power module includes an upper substrate and a lower substrate spaced from each other in a vertical direction, a semiconductor chip connected to one of the upper substrate and the lower substrate, and a spacer formed of a metal material containing copper and connecting the semiconductor chip to the other of the upper substrate and the lower substrate or to connect the upper substrate to the lower substrate, the spacer including a plurality of penetration portions formed to penetrate an inside thereof.

Abstract: The present invention relates to a positive electrode active material, and a lithium secondary battery using a positive electrode including the same. More particularly, the present invention relates to a positive electrode active material that has increased efficiency in the diffusion of lithium ions and/or charges and increased structural stability by locally forming regions with different concentrations of an arbitrary transition metal in a primary particle, and a lithium secondary battery using a positive electrode including the same.

Abstract: Proposed is a slim-type heat management system for an electric vehicle, wherein implementation of various heat management modes may be easily accomplished by using a minimum number of parts including two three-way expansion valves and the like, wherein the various heat management modes include a heat pump dehumidification mode, a dehumidification max mode, and the like, which are for defogging, in addition to an indoor cooling mode, a battery cooling mode, and a heat pump mode for heating. Accordingly, the system is capable of being usefully applied to an electric vehicle being small and an electric vehicle having priority of profitability over performance.

Abstract: A massage device for controlling a massage module includes a main frame for supporting body of a user, a massage module for providing a massage to at least a part of the body while moving along the main frame, and a control unit for controlling the massage module, wherein the control unit determines at least one of a standby position, at which the massage module is on standby in the main frame of the massage device, based on whether a massage mode of the massage device has ended, and a standby intensity, which is an intensity at which the massage module presses the body at the standby position, and the control unit controls operation of the massage module based on at least one of the standby position and the standby intensity.

Abstract: Disclosed is a ferritic stainless hot-rolled annealed steel sheet with excellent impact properties of 6 mm or more in thickness and a manufacturing method thereof. A ferritic stainless steel with excellent impact toughness according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: more than 0 and 0.01% or less, Si: 0.8% or less, Mn: 0.5% or less, Cr: 10 to 14%, Ti: 0.01 to 0.45%, N: more than 0 and 0.015% or less, the remainder of iron (Fe) and other inevitable impurities, and an average misorientation between grains of microstructure is 0.6 to 1.1°.

Abstract: The present disclosure relates to a massage apparatus comprising a flexible rack gear. A main frame comprises: a rack gear belt comprising a rack gear which is for moving a massage module, has a plurality of holes formed therein, is formed from a flexible material, and extends along a buttocks frame and a back frame comprised in the main frame, wherein the rack gear comprises a buttocks rack gear and a back rack gear and is formed without a connecting portion for connecting the buttocks rack gear and back rack gear; and a rack gear support part which is positioned below the rack gear belt to support the rack gear belt, and is formed from a flexible material.

Abstract: The present disclosure relates to a massage apparatus including an arm massage part, the massage apparatus comprising: a frame connection part which connects a buttock frame provided in a main frame and a back frame provided in the main frame, and which rotates about a frame rotation axis on the basis of the movement of the back frame; a driving shaft which passes through the frame connection part and moves along an arc-shaped driving shaft slot on the basis of the movement of the back frame; and an arm massage frame holder which moves along a sliding rail on the basis of the movement of a plurality of links that transmit the movement of the driving shaft.

Abstract: Provided herein is a massage apparatus including: an arm massage unit for massaging a user's arm; and a control unit for controlling the arm massage unit. The arm massage unit comprises a space and an electrode arranged in the space, and the control unit determines whether an electrical value of the electrode is changed, and controls the operation of the arm massage unit based on a determination result and an operation state of the arm massage unit.

Abstract: A massager having a perineal region massage function and capable of simultaneously applying upward pressure and heat to the perineal region of a user includes: a backrest frame having an opening; a seat frame having an opening that communicates with the opening of the backrest frame; massage units for massaging the body regions of a user while moving along both sides of the backrest frame and the seat frame openings; an elastic band made from an elastic material, traversing the opening of the seat frame, and transmitting to the buttocks or thighs of the user, pressure applied from the massage units through the opening of the seat frame; a perineal region airbag provided on the elastic band and upwardly pressing the perineal region of the user while inflated by means of air supplied from the outside; and an air supply part for injecting/discharging the air into/from the perineal region airbag.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery which can simultaneously improve electrochemical properties and stability, which are in a mutual trade-off relationship, by introducing a step structure to a surface part of a lithium composite oxide constituting the positive electrode active material, and a lithium secondary battery including the same.

Abstract: A method of a first communication device for removing a self-interference signal in a wireless communication system is provided. The method includes receiving a signal having a size less than a first threshold value from a second communication device in a first interval within a first frame, transmitting a first signal to a third communication device in the first interval, and estimating a self-interference channel through which the self-interference signal is transmitted based on the signal received in the first interval and the first signal transmitted in the first interval. The self-interference signal is a signal transmitted by the first communication device and is received by the first communication device through the self-interference channel.

Abstract: The disclosure relates to a communication technique and a system for combining a 5G communication system with IoT technology to support a higher data rate after a 4G system. Based on 5G communication and IoT-related technologies, the disclosure may be applied to intelligent services such as smart homes, smart buildings, smart cities, smart or connected cars, healthcare, digital education, retail, and security and safety related services. The disclosure provides a method and apparatus that enable a communication device supporting full duplex to cancel the self-interference signal in the digital domain.