Abstract: The present invention provides a battery safety test device includes: a mechanical switch element having one end connected to either a battery positive or negative electrode and the other end connected to an electronic switching element; the electronic switching element having one end connected to the mechanical switch element and the other end connected to the other of the battery positive or negative electrode; a voltage sensor for measuring a voltage of the battery after the mechanical switch element and the electronic switching element are turned on; and a current sensor for measuring a current of the battery after the mechanical switch element and the electronic switching element are turned on.

Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.

Abstract: A memory system may include: a memory device configured to store first training information and second training information representing different training patterns; and a memory controller configured to: perform a first training operation on the memory device based on the first training information, and perform, when a result of the first training operation is out of a predetermined range, a second training operation on the memory device plural times based on the second training information.

Abstract: Disclosed herein are a method for access control using real-time positioning technology and a device using the same. According to a positioning method of a positioning module, the positioning module is configured to measure a location of at least one location-unrecognized device and a location of a terminal, wherein the at least one location-unrecognized device, the terminal and at least one location-recognized device is located in a certain zone, and wherein the positioning module has coordinate information of the at least one location-recognized device and the positioning module has not coordinate information of the at least one location-unrecognized device.

Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.

Abstract: Embodiments of the present disclosure relate to a system and an operating method of the system. Based on some embodiments of the disclosed technology, the system may include a random access memory structured to include memory cells to store data, a cache memory configured to cache at least part of the data, and a processor in communication with the random access memory and the cache memory to access at least part of the data from the random access memory or cache memory. The system may determine a cache hit ratio for the cache memory, and may set an operating frequency of the random access memory based on the cache hit ratio.

Abstract: The present invention relates to an IF1 protein-derived peptide and a medicinal use thereof, in which the peptide suppresses appetite and inhibits lipid accumulation and differentiation of adipocytes in an obese animal model, and promotes insulin secretion and improves glucose tolerance in a diabetic animal model. Therefore, the present invention can be usefully used for anti-obesity and anti-diabetic purposes.

Abstract: A separator includes a polyolefin-based separator substrate and a coating portion formed on at least a part of an outer surface of the separator substrate. An uneven portion is formed along an outer periphery of at least one side of the separator, whereby it is possible to prevent deviation of a separator sheet from a movement direction during transfer of the separator sheet and stacking of an electrode assembly.

Abstract: The present invention relates to a mono-cell manufacturing apparatus with a gloss meter and a manufacturing method using the same. More particularly, a mono-cell manufacturing apparatus includes a first separator supply unit configured to supply a first separators; a negative electrode supply unit configured to locate a negative electrode at an upper surface of the first separators; a second separator supply unit configured to supply a second separator configured to cover an upper surface of the negative electrodes; a positive electrode supply unit configured to locate a positive electrode at an upper surface of the second separators; a pressing unit configured to press the first separator, the negative electrode, the second separator, and the positive electrode, and a gloss meter located under the first separator.

Abstract: Disclosed herein are a method for access control using real-time positioning technology and a device using the same. According to a positioning method of a positioning module, the positioning module is configured to measure a location of at least one location-unrecognized device and a location of a terminal, wherein the at least one location-unrecognized device, the terminal and at least one location-recognized device is located in a certain zone, and wherein the positioning module has coordinate information of the at least one location-recognized device and the positioning module has not coordinate information of the at least one location-unrecognized device.

Abstract: The present technology relates to an electronic device. According to the present technology, a memory controller may include a training controller, a training data storage, and a machine learning processor. The training controller may perform training of correcting interface signals exchanged with a memory device, generate training data that is a result of the training, and output the training data as sample training data based on a comparison result of a training reference and the training data. The training data storage may store training history information including plural pieces of sample training data. The machine learning processor may update the training reference through machine learning based on the training history information.

Abstract: The present invention provides an adhesive layer coating unit configured to continuously apply an adhesive layer having a first width in a longitudinal direction of a first separator. The adhesive layer coating unit comprises: a transfer roller configured to support a bottom surface of the first separator and transfer the first separator; a discharge roller configured to transfer the first separator, which has passed through the transfer roller, in conjunction with the transfer roller while supporting a top surface of the first separator, wherein a coating groove having the first width and a closed curve shape is formed in a circumferential surface of the discharge roller; and a coating member configured to inject an adhesive into a space between the discharge roller and the top surface of the first separator which has passed through the transfer roller.

Abstract: A laminator is configured for increasing the force of adhesion between an electrode and a separator upon forming a unit structural body. The laminator is configured for heating a unit structural body sheet that includes an electrode and a separator in a stacked state and a press roll having a pair of upper and lower rolls configured to press the heated unit structural body sheet. The press roll is configured to raise its temperature. The average temperature of the press roll is higher than the temperature of the unit structural body sheet.

Abstract: An electrode assembly includes a plurality of electrodes and a connection component. The electrodes are arranged in a stack along a stacking dimension with a respective separator portion positioned between each of the electrodes. Each of the electrodes has an outer perimeter within a plane extending transverse to the stacking dimension, and the separator portions each have a respective overhanging portion protruding outwardly in a lateral dimension beyond the outer perimeters of adjacent ones of the electrodes, where the lateral dimension is oriented transverse to the stacking dimension. The connection component extends between and connects at least two adjacent overhanging portions of the separator portions. The connection component comprises a network of strands of material, a plurality of which cross over other strands so as to define respective crossing locations. A region of the connection component includes multiple crossing locations spaced apart from one another in the stacking dimension.

Abstract: An all-in-one electrode stack unit includes a first electrode, a second electrode, and a separation layer interposed between the first electrode and the second electrode. The separation layer is a photocured PSA coating layer integrally formed on the first electrode. The separation layer has a strength of 30 to 50 MPa and an adhesive force to the second electrode of 70 gf/20 mm to 90 gf/20 mm. The first electrode, the separation layer, and the second electrode are laminated. The electrode stack unit is manufactured by a method. A lithium secondary battery includes the electrode stack unit.

Abstract: An electrode assembly includes a stack, in which a plurality of electrodes and a plurality of separators are alternately stacked on each other and edges of the separators protrude further outward than the electrodes, and a wrapping separator, which surrounds the stack. The edges of at least some of the plurality of separators may be fused with the wrapping separator to form fused portions.

Abstract: The present invention relates to an antimicrobial polymer coating composition including: a (meth)acrylate-based monomer or oligomer containing an alkylene oxide having 1 to 10 carbon atoms; a photosensitizer; and a photoinitiator, and an antimicrobial polymer film including a substrate layer including a polymer resin containing a (meth)acrylate-based repeating unit having an introduced alkylene oxide functional group having 1 to 10 carbon atoms, and a photosensitizer dispersed in the substrate layer, wherein the antimicrobial polymer film has surface energy of 32 mN/m or more.

Abstract: Embodiments of the present disclosure relate to a system and an operating method of the system. Based on some embodiments of the disclosed technology, the system may include a random access memory structured to include memory cells to store data, a cache memory configured to cache at least part of the data, and a processor in communication with the random access memory and the cache memory to access at least part of the data from the random access memory or cache memory. The system may determine a cache hit ratio for the cache memory, and may set an operating frequency of the random access memory based on the cache hit ratio.

Abstract: The present invention relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional comprising the same, and provides a composition for 3D printing capable of realizing a three-dimensional shape having precision and excellent curing stability.