Abstract: The present invention relates to a battery cell including an electrode tab having a breakage prevention function and a battery module including the same, and more particularly a battery cell including a case configured to have a laminate sheet structure, an electrode assembly received in the case, an electrode tab located at a side surface of the electrode assembly, an electrode lead having one side connected to the electrode tab and the other side projecting out of the case, and an insulative film provided at each of an upper surface and a lower surface of the electrode lead, wherein the electrode tab is provided with a buffer portion, the length of the buffer portion being adjustable, and a battery module including the same.

Abstract: A cathode active material for a lithium secondary battery according to an embodiment includes a plurality of a lithium metal oxide particle that include a core containing a lithium iron phosphate-based compound and being doped with at least one metal element of Ti, V and Mn; and a carbon coating formed of the core. A ratio of an intensity of a peak corresponding to PO4 relative to an intensity of a D band measured by a Raman spectroscopy analysis is in a range from 0.10 to 0.33.

Abstract: Disclosed is a storage method of sensed data used for state management of a logistics, which is performed by an apparatus including generating actual sensed data, which is obtained by sensing at least one of a temperature, acceleration, humidity, illuminance, inclination, impact, and location inside a region at a predetermined period through a first sensor installed inside the region where the logistics of a delivery vehicle is loaded, calculating a change amount of the actual sensed data at a predetermined time interval, activating one storage mode among a first storage mode and a second storage mode depending on a result of comparison between the change amount and a predetermined threshold change amount, and storing the actual sensed data in a storage method provided in the activated storage mode.

Abstract: Discussed is a battery that may include at least one battery module including at least one battery cell, a case tray configured to support the at least one battery module, a case cover coupled with the case tray to cover the at least one battery module, a sealing gasket disposed between the case tray and the case cover to prevent penetration of moisture or foreign substance into the at least one battery module, and a reinforcing unit provided to the case cover to be disposed adjacent to the sealing gasket and configured to prevent twisting of the case cover when the case tray and the case cover are coupled.

Abstract: Discussed is a battery pack that may include at least one battery module including at least one battery cell; a case tray configured to support the at least one battery module; a tray cover coupled to the case tray; and at least one bushing gasket configured to connect the case tray and the tray cover and to support the case tray on a plurality of points.

Abstract: Silicon oxide-based negative electrode active materials and negative electrodes for a secondary battery are disclosed. In an embodiment, a negative electrode active material for a secondary battery includes a silicon oxide particle including a metal silicate; and a hydrocarbon coating layer on the silicon oxide particle, wherein a peak Pa in a Fourier transform infrared (FT-IR) spectral analysis of the negative electrode active material is detected in a range from 2880 cm?1 to 2950 cm?1 and a peak Pb in a FT-IR spectral analysis of the negative electrode active material is detected in a range from 2800 cm?1 to 2865 cm?1.

Abstract: An anode active material for a lithium secondary battery and a lithium secondary battery including the same are provided. The anode active material includes a plurality of composite particles, each composite particle including a silicon-based active material particle including silicon; and a carbon coating layer formed on at least a portion of a surface of the silicon-based active material particle, wherein a relative standard deviation of G/Si peak intensity ratios of a Raman spectrum as defined in Equation 1 measured for each of 50 different composite particles among the plurality of composite particles is 50% or less.

Abstract: An electric booster for a vehicle includes a housing having a cylinder structure capable of supporting a hydraulic pressure formed therein; a screw bolt installed in the housing; a screw nut screwed to the screw bolt; a gear unit configured to transfer a rotational force of a motor to the screw nut; a rotation preventing unit coupled with the screw bolt, and configured to prevent rotation of the screw bolt by being brought into contact with the housing; and a piston moved by being pressed by the screw bolt, and configured to form a hydraulic pressure in the housing.

Abstract: Disclosed is a an apparatus for performing smart logistics monitoring including a display unit, a memory, a sensor unit sensing at least one of a temperature, acceleration, humidity, illuminance, inclination, impact, and location of an inside of a logistics vehicle, and a control unit that generates respective status information of a logistics according to a sensed result at a predetermined period, generates a respective QR code indicating the respective status information, and displays the respective QR code on a screen of the display unit. The respective QR code is converted and displayed on the screen depending on an order in which the respective QR code is generated.

Abstract: The present invention relates to a method of non-destructively measuring a thickness of a reinforcement membrane, and more particularly, to a method of non-destructively measuring a thickness of a hydrogen ion exchange reinforcement membrane for a fuel cell, in which the reinforcement membrane has a symmetric three-layer structure including a reinforcement base layer and pure water layers disposed at opposing sides of the reinforcement base layer, including performing total non-destructive inspection and omitting a process of analyzing a position by means of a thickness peak of a power spectrum of the respective layers of the reinforcement membrane.

Abstract: A maskless exposure device includes: a light source for emitting a beam, a light modulator for modulating the beam according to an exposure pattern, an optical system for transferring the modulated beam onto a substrate in the form of a beam spot array, a position determining unit for generating relative position data between the beam spot array and the substrate, and a control unit for controlling the light modulator based on the position data of the position determining unit. The beam spot array includes alignment areas and out-of-alignment areas which are alternately disposed, on/off-spots which overlap the alignment areas, and neutral spots which overlap the out-of-alignment areas and at which the substrate is not irradiated with the beam, and a distance between on/off-spots adjacent to each other at a first point in time is different from a distance between on/off-spots adjacent to each other at a second point in time.

Abstract: A first layer, a first spacer layer, and a second layer of a semiconductor wafer can be etched to produce a plurality of columnar structures extending from the substrate layer and including a first optical cavity situated about the first gain medium, a second optical cavity situated about the second gain medium, and a first spacer region contacting the first gain medium and the second gain medium. Also, a photonic microparticle formed from a layered semiconductor wafer and of a columnar structure having a first optical cavity situated about a first gain medium, a second optical cavity situated about a second gain medium, and a first spacer region contacting the first gain medium and the second gain medium. The first optical cavity and the second optical cavity in the photonic microparticle are each capable of generating laser light with a distinct spectral peak when energetically excited.

Abstract: Provided is a block formed of a porous material. In the block formed of a porous material, which is mounted together with a microspeaker in an enclosure case to adsorb air to serve as a virtual back volume, the block is manufactured by blocking porous particles including silicon and aluminum, and in a pore diameter of the porous block, dV/dlog(D) pore volume at 20 nm is 0.1 cm3/g or more.

Abstract: A display device includes: a substrate; a transistor on the substrate; a first electrode connected to the transistor; a first partition wall on the first electrode, and having a pixel opening; an auxiliary electrode on the first partition wall; a second partition wall on the auxiliary electrode; an emission layer in the pixel opening; and a second electrode on the emission layer and the second partition wall, and connected to the auxiliary electrode. An end portion of the auxiliary electrode protrudes from a side surface of at least one of the first partition wall or the second partition wall.

Abstract: A microspeaker enclosure includes a microspeaker, an enclosure case in which the microspeaker is mounted, including a back volume communicating with the microspeaker, a block installed in the back volume and formed of a porous material serving as a virtual back volume by adsorbing air, and porous particles installed in the back volume and serving as a virtual back volume by adsorbing air.

Abstract: The present invention relates to a film wrinkle removing roller in which pattern rolls coated with rubber are positioned at both ends of a cylindrical roll made of Teflon, and a porous film comes into contact with the roll and the pattern rolls, such that the film may be prevented from wrinkling and a surface of the film may be prevented from being abraded due to friction between the film and surfaces of the rolls.

Abstract: An anode active material for a lithium secondary and a lithium second battery including the same are provided. The anode active material includes a plurality of carbon-based particles containing one or more pores therein, and a silicon-containing coating formed inside the pores and/or on a surface of each of the carbon-based particles. A relative standard deviation of D/G peak intensity ratios of a Raman spectrum measured for 50 different carbon-based particles among the plurality of carbon-based particles is 10% or less.

Abstract: Provided are a negative electrode including a silicon-based negative electrode active material and a secondary battery including the same. The negative electrode for a secondary battery including: a current collector and a negative electrode active material layer including a plurality of silicon-based active material particles, which is positioned on the current collector may be provided, wherein the following Relation is satisfied: [Relation 1] 0.01?A?B?0.81, wherein A is an average value of Raman spectrum peak intensity ratios Ia/Ib for 50 silicon-based active material particles randomly selected in the negative electrode active material layer, B is an average value or values excluding top 10 values and bottom 10 values, for each Raman spectrum peak intensity ratio Ia/Ib value for the 50 silicon-based active material particles, Ia is a peak intensity at 515±15 cm?1, and Ib is a peak intensity at 470±30 cm?1.

Abstract: A display device includes: an insulating substrate, where a through hole is defined through the insulating substrate; and an organic layer which covers the insulating substrate. In the display device, a barrier area surrounding the through hole is defined in the insulating substrate, and an interruption portion, at which the organic layer is interrupted, is defined in the barrier area.