Abstract: An embodiment of the present invention relates to a biodegradable laminated film capable of improving all of biodegradability, durability, and barrier properties, and to a method for manufacturing the biodegradable laminated film. The laminated film comprises: a substrate layer formed from a biodegradable resin composition; and a barrier layer positioned on at least one side of the substrate layer and formed from a coating composition, wherein the barrier layer includes nanocellulose, and thus has improved barrier properties, such as oxygen permeability and moisture permeability, without a reduction in mechanical properties such as tensile strength and tear strength. Therefore, the biodegradable laminated film according to the embodiment can exhibit excellent properties when used in various fields in which barrier properties are important, such as packaging materials for refrigerated and frozen foods, packaging materials for electronic materials, and medical fluid bags.

Abstract: A battery pack for a vehicle includes a pack tray with an open upper surface, a plurality of battery cells stacked in a vertical direction on the pack tray, a plurality of sensing blocks, each including a cell bus-bar connected to an electrode of each of the battery cells, and provided on the pack tray, and a pressure plate mounted to press upper surfaces of the stacked battery cells in a downward direction.

Abstract: A battery cell includes an electrode assembly, an electrode tab drawn out from one surface of the electrode assembly, and an electrode lead to which the electrode tab is coupled, wherein a bonding portion in which the electrode tab and the electrode lead are bonded to each other is disposed to face the electrode assembly, and wherein, in the bonding portion, an end of the electrode tab and an end of the electrode lead are disposed to be oriented in the same direction.

Abstract: Provided are an electrode comprising a coated portion that is coated with an active material; an uncoated portion that is not coated with the active material; and at least one selected from the group consisting of a first straight section formed by cutting out a part of the boundary region between the coated portion and the uncoated portion and a second straight section formed by cutting out an edge of the coated portion; an electrode assembly comprising the same; and a manufacturing method of the electrode assembly.

Abstract: The present disclosure relates to a binder solution for an all-solid-state battery and an all-solid-state battery comprising the same and having a uniform binder distribution. The binder solution may comprise: a binder including a fluorine-based polymer; a first solvent; and a second solvent. A Hansen solubility index difference value (Ra) between the fluorine-based polymer and the first solvent is about 10 or less, and a Hansen solubility index difference value (Ra) between the first solvent and the second solvent is about 7 or less.

Abstract: A method for forming packaged electronic device structure includes providing a conductive leadframe. The leadframe can include a die pad and a plurality of conductive leads. The method can include coupling an electronic device to the plurality of conductive leads. The method can include providing an antenna structure, which can include a conductive pillar structure and an elongated conductive beam structure. The method can include providing a package body encapsulating the electronic device, at least portions of each conductive lead, and at least portions of the die pad. In an example, the conductive pillar structure can extend from the first package body surface to the second package body surface, the elongated conductive beam structure can be disposed adjoining the first package body surface and can be electrically connected to the conductive pillar structure, and a portion of the elongated conductive beam structure can be exposed outside of the package body.

Abstract: The present disclosure relates to an all-solid-state battery including a cathode active material layer having an increased thickness and to a method of manufacturing the same.

Abstract: The present disclosure relates to a display panel including a display area that can be stretched by including a plurality of stretching units and a peripheral area positioned at an edge of the display area. Each of the stretching units includes: a plurality of islands separately disposed to include a plurality of pixels disposed therein; a plurality of bridges extended from the islands to connect adjacent islands or to connect the islands with the peripheral area; and a plurality of openings disposed adjacent to the bridges, between the bridges, and between the bridges and the islands, wherein areas of the islands are gradually increased toward the peripheral area.

Abstract: A battery cell and a method of manufacturing the same are disclosed. The battery cell is a battery cell including an electrode assembly and a pouch unit accommodating the electrode assembly. The battery cell comprises a cell body including an accommodation portion accommodating the electrode assembly in the pouch unit and the electrode assembly, a cell edge forming a perimeter of the battery cell, and a cell edge portion formed between the cell edge and the cell body. The pouch unit is made of a pouch sheet. The cell edge portion includes a first pouch edge portion and a second pouch edge portion facing each other in the pouch sheet, and a convex portion that is convex in a thickness direction of the cell edge portion.

Abstract: According to the present disclosure, there are provided an electrode plate including an active material portion in which an active material is formed on a substrate and a non-coated portion in which the active material is not formed, wherein the non-coated portion includes a first non-coated portion in which a non-coated portion tab is formed and a second non-coated portion extending from the first non-coated portion in a width direction of the active material portion, and an area of the first non-coated portion and an area of the second non-coated portion satisfy Expression 1 (described in the detailed description), and an electrode assembly and a secondary battery including the same.

Abstract: An apparatus mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, and two films, wherein one side of each of the two films is respectively attachable to one of the pair of side covers of the frame, and another side of each of the two films is respectively attachable to one of two side surfaces of the battery cell stack, wherein, when the support member and the frame move toward each other, the two films are movable into the frame, and the battery cell stack is movable along the two films to be mounted to the frame.

Abstract: A composite binder composition for an all-solid-state battery includes: a first polymer comprising a repeating structure represented by Chemical Formula 1a or Chemical Formula 1b below, and a second polymer comprising at least one selected from a group consisting of diene-based rubber, polysiloxane, and combinations thereof:

Abstract: A system for analyzing a solid-state battery and a lithium rechargeable battery such as a lithium ion battery, and an analysis method using the system are proposed. The analysis system for a lithium secondary battery includes a housing having an accommodation space therein, and a lithium secondary battery accommodated in the accommodation space of the housing and being chargeable and dischargeable, in which the lithium secondary battery includes: an electrolyte part. The system also includes a first electrode part positioned on a side of the electrolyte part, and a second electrode part positioned on another side of the electrolyte part, in which the electrolyte part includes a matrix including a solid electrolyte having conductivity for lithium ions, one or more reference electrodes inserted in the matrix, and one or more SoC adjusters inserted in the matrix at a predetermined distance in a width direction from the reference electrode.

Abstract: Disclosed is a speed reduction device for a vehicle motor. The speed reduction device includes an output gear connected to an output shaft of the motor, a transmission gear engaged with the output gear, a cam formed to be integrated with the transmission gear, a cycloid inner gear, a pair of wedges compressed against the inner peripheral surface of a through hole of the cycloid inner gear by elastic restoring force of a spring and configured to closely contact the cam, a ring gear partially engaged with the cycloid inner gear when the cycloid inner gear is eccentrically rotated, an end plate, and a final output gear configured to finally output rotational force of the cycloid inner gear, thereby preventing backlash between gears during rotational driving of the motor and reliably preventing movement of a seat after swivel adjustment is completed.

Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission adjusting function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, the first chromic layer comprises a reducing chromic material, the second chromic layer comprises an oxidizing chromic material, and the value of c as defined in Equation 1 is 1.0 to 1.6.

Abstract: A chip antenna includes a substrate having a concavo-convex pattern on a surface thereof, and a conductor pattern disposed on the surface of the substrate having the concavo-convex pattern, wherein a convex portion extending in one direction and a concave portion extending in one direction are alternately disposed in the concavo-convex pattern.

Abstract: An insulation resistance tester for testing for insulation resistance of a battery includes a solution supply unit, and a test unit configured to receive a conductive solution from the solution supply unit and to establish a contact with a test target through the conductive solution such that insulation resistance of the test target is measured.

Abstract: The present invention relates to a biodegradable polyester resin, in which the first repeat unit comprising a first diol residue and an aromatic dicarboxylic acid residue and the second repeat unit comprising a second diol residue and an aliphatic dicarboxylic acid residue satisfy a ratio of the number of repeat units in a specific range, and the softness index of the resin satisfies a specific range, and to a process for preparing the same. Since the biodegradable polyester resin can provide a biodegradable polyester sheet or film that can be simultaneously enhanced in productivity, processability, and moldability and is excellent in tensile strength, tear strength, and friction coefficient and excellent in biodegradability and water degradability, it can be utilized in more diverse fields.

Abstract: The present disclosure relates to an image search system and method using extraction of a feature point of an object from an image. More specifically, the present disclosure relates to an image search system and method using extraction of a feature point of an object from an image in order to extract an object and a feature point from an image and turn the object and the feature point into big data, and extract an image satisfying a search condition and provide the image.

Abstract: A device for mounting a leap block capable of automatically adjusting the mounting direction of the leap block comprises a block stand fixedly mounted to one end of a blocking device frame and configured to support a leap block so that the leap block is rotatable in a horizontal direction; the leap block in which a support rotatably supported by the block stand is formed in the center, and a first magnetic body is mounted in one direction; and a leap block mounting unit to which a second magnetic body that couples with the first magnetic body by magnetic force is mounted in one direction, and which rotates in the horizontal direction and couples with the leap block in a fixed direction.