Abstract: Provided is a battery pack management apparatus that effectively improves the life of a battery pack. The battery pack management apparatus is an apparatus for managing a battery pack, in which a plurality of battery cells are electrically connected to each other, and includes: a measurement unit configured to measure the number of charging and discharging cycles of each of the plurality of battery cells; a selection unit configured to select at least some battery cells from among battery cells whose number of charging and discharging cycles measured by the measurement unit reached a reference number; and a blocking unit configured to stop operations of the at least some battery cells selected by the selection unit for a first reference time.

Abstract: Provided are apparatus and method of testing electrochemical performance of a battery cell in a nondestructive manner The apparatus according to an embodiment of the present disclosure includes: a memory configured to store first profile data, second profile data, a first positive electrode upper limit, a first positive electrode lower limit, a first negative electrode upper limit, and a first negative electrode lower limit that are determined in advance through a preliminary experiment with respect to each of a plurality of reference cells; a sensing unit configured to measure an open-circuit voltage of a test cell according to a variation in a state of charge (SOC) of the test cell; and a controller electrically connected to the memory and the sensing unit. The controller is configured to test performance of the test cell in a nondestructive manner based on data regarding the reference cells and data measured by the sensing unit stored in the memory.

Abstract: Provided are a device and method for measuring the thickness of a secondary battery cell. The device comprises: a mounting stand on which a secondary battery cell is positioned; a pressurizing plate which is installed so as to be variable in distance from the mounting stand; a pressurizing device which pushes or pulls the pressurizing plate; a measurement device for measuring the pressurization force applied to the pressurizing plate; and a controller which is configured to control charging, discharging or temperature of the secondary battery cell according to measurement conditions, receive a pressurization force measurement value and a thickness measurement value from the measurement device to thereby determine the magnitude of the pressurization force applied to the pressurizing plate and the thickness of the secondary battery cell, and vary, or maintain the pressurization force applied to the pressurizing plate to be constant.

Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.

Abstract: Provided are an automobile interior/exterior material including a low-melting-point polyester resin fiber layer, and a method of manufacturing the same. More particularly, an automobile interior/exterior material having excellent processability and price competitiveness without deterioration of properties, such as strength and durability, is provided.

Abstract: The present disclosure discloses a pressing jig of secondary battery cell, the pressing jig including: one pair of pressing plates hinge-coupled to be mutually foldable, and having space therebetween where the cell of the secondary battery may be disposed; and a locking mechanism configured to fixate a folded state of the one pair of pressing plates, wherein at least one of the one pair of pressing plates is made of a polyacetal (POM) material.

Abstract: A semiconductor device includes interlayer insulating layers and conductive patterns alternately stacked over a pipe gate, a first slit and a second slit penetrating the interlayer insulating layers and the conductive patterns and crossing each other, an etch stop pad groove overlapping an intersection of the first slit and the second slit, arranged in the pipe gate, and connected to the first slit or the second slit, and slit insulating layers filling the first slit, the second slit and the etch stop pad groove.

Abstract: The present disclosure relates to a low-melting conjugate fiber prepared by complex radiation of: a general polyester as a core component; and a copolymer polyester resin for a low-melting binder prepared by copolymerizing an acid component composed of terephthalic acid and isophthalic acid or an ester-forming derivative thereof as a sheath component and a diol component composed of 2-methyl-1,3-propanediol, diethylene glycol, and ethylene glycol.

Abstract: The present invention provides a sealing apparatus having a structure in which an application area of pressure and heat is increased by a pair of sealing blocks and a pressurization part extending from the sealing block. In the sealing apparatus according to the present invention based on the structure, when the sealing-planned part is pressurized, heat and pressure may be applied to the sealing-planned part or an insulating film to be extended, and thus an electrode lead and the sealing-planned part adjacent thereto may be firmly bonded.

Abstract: A packet transmitter includes a higher layer transmission block and a lower layer transmission block. The higher layer transmission block generates a higher layer data signal including payload data and a header for each packet of a plurality of packets based on an application layer data signal and an application layer control signal. The higher layer transmission block outputs the header after the payload data through the higher layer data signal. The lower layer transmission block generates a lower layer data signal including the header and the payload data for each packet based on the higher layer data signal and a higher layer control signal. The lower layer transmission block outputs the payload data after the header through the lower layer data signal.

Abstract: A fuel cell membrane electrode assembly (MEA) including a hexagonal boron nitride thin film is provided. The fuel cell MEA includes an anode layer, a hexagonal boron nitride thin film layer formed on the anode layer, an interfacial binding layer formed on the hexagonal boron nitride thin film layer, and a cathode layer formed on the interfacial binding layer.

Abstract: A battery cell of a venting structure using taping is disclosed. The battery cell has an electrode assembly configured to have a structure in which a separator is interposed between a positive electrode and a negative electrode, mounted in a battery case.

Abstract: A semiconductor device includes interlayer insulating layers and conductive patterns alternately stacked over a pipe gate, a first slit and a second slit penetrating the interlayer insulating layers and the conductive patterns and crossing each other, an etch stop pad groove overlapping an intersection of the first slit and the second slit, arranged in the pipe gate, and connected to the first slit or the second slit, and slit insulating layers filling the first slit, the second slit and the etch stop pad groove.

Abstract: A method of operating an iris recognition function, and an electronic device thereof are provided. The electronic device includes a first camera device, a second camera device, and at least one processor operatively connected to the first camera device and the second camera device. The at least one processor is configured to, if an execution of an iris recognition function is requested, obtain a first image associated with a subject, based on the first camera device, and output information about a feature point of the obtained first image on a display, and if the information about the feature point satisfies a specified condition, obtain a second image associated with the subject based on the second camera device, and wherein a display location of the information about the feature point on the display is changed depending on a capture angle between the subject and the first camera device.

Abstract: A battery cell accommodated in a module case of a battery module according to an embodiment of the present disclosure, is characterized in that at least one of the battery cell is included and accommodated in the module case, and has a shape corresponding to internal space of the module case so as to prevent formation of dead space in the module case.

Abstract: Provided is a battery pack management apparatus that effectively improves the life of a battery pack. The battery pack management apparatus is an apparatus for managing a battery pack, in which a plurality of battery cells are electrically connected to each other, and includes: a measurement unit configured to measure the number of charging and discharging cycles of each of the plurality of battery cells; a selection unit configured to select at least some battery cells from among battery cells whose number of charging and discharging cycles measured by the measurement unit reached a reference number; and a blocking unit configured to stop operations of the at least some battery cells selected by the selection unit for a first reference time.

Abstract: Provided is a sealing apparatus of a pouch-type secondary battery, capable of preventing electrolyte leakage by constantly positioning a lead on a sealing groove so as to completely seal the secondary battery. A sealing apparatus according to the present disclosure is a sealing apparatus of a pouch-type secondary battery which seals a pouch case in which an electrode assembly is installed. The sealing apparatus includes upper and lower sealing blocks, wherein at least one sealing block of the upper and lower sealing blocks has a sealing groove having a slanted step portion which is formed at a position corresponding to the lead of the pouch-type secondary battery and a lead guide for seating the lead on the sealing groove is installed in front of the sealing block.

Abstract: Disclosed herein are an electrode assembly including a plurality of unit cells arranged in a height direction on the basis of a plane, at least two of the unit cells having different planar sizes, and a space portion defined by the difference in planar size between the arranged unit cells, wherein each of the unit cells includes at least one electrode plate, electrode tabs protruding from the electrode plates of the unit cells are electrically connected to an electrode lead via a tab-lead coupling part, and the tab-lead coupling part is located in the space portion, and a battery cell including the same.

Abstract: The present disclosure discloses a pressing jig of secondary battery cell, the pressing jig including: one pair of pressing plates hinge-coupled to be mutually foldable, and having space therebetween where the cell of the secondary battery may be disposed; and a locking mechanism configured to fixate a folded state of the one pair of pressing plates, wherein at least one of the one pair of pressing plates is made of a polyacetal (POM) material.

Abstract: A semiconductor device includes interlayer insulating layers and conductive patterns alternately stacked over a pipe gate, a first slit and a second slit penetrating the interlayer insulating layers and the conductive patterns and crossing each other, an etch stop pad groove overlapping an intersection of the first slit and the second slit, arranged in the pipe gate, and connected to the first slit or the second slit, and slit insulating layers filling the first slit, the second slit and the etch stop pad groove.