Abstract: The present disclosure relates to a method for manufacturing an electrode including a polymer electrolyte and an electrode obtained thereby. Particularly, the present disclosure relates to an electrode for a wide voltage battery which has improved reactivity on the surface of the electrode active material. The electrode provides an increased reactive site between an electrode active material and a polymer electrolyte and an improved ratio of the amount of active material in the electrode, and thus can provide a battery with improved energy density.

Abstract: The present invention relates to a method of preparing a lithium secondary battery which may improve productivity and performance of the lithium secondary battery by visually measuring an actual electrolyte solution impregnation time for an electrode active material, setting an estimated impregnation time of the electrolyte solution for a battery based on a measured result, and reflecting the estimated impregnation time in a production process.

Abstract: The present invention relates to an electrode and a method for manufacturing the electrode, which are for maintaining the uniformity of the thickness of an electrode coating layer in the electrode. In addition, the present invention is characterized by including a preparation step for preparing an electrode foil, an attachment step for attaching an adhesive member onto a portion of the electrode foil, a coated part formation step for coating an active material onto the electrode foil, and an uncoated part formation step for forming an uncoated part on the electrode foil by removing the adhesive member along with the active material coated onto the adhesive member.

Abstract: The present invention relates to a positive electrode and a secondary battery including the same, and particularly, to a positive electrode which includes a current collector; a first active material layer including first active material particles and disposed on the current collector; and a first pattern and a second pattern alternately disposed separately from each other on the first active material layer, wherein the first pattern includes first pattern active material particles, the second pattern includes second pattern active material particles, the first pattern has a thickness greater than that of the second pattern, and the second pattern has a volume expansion rate greater than that of the first pattern, and a secondary battery including the same.

Abstract: An electrode for an all solid-state battery including an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector, wherein the electrode active material layer includes electrode active material particles, a solid electrolyte coated on at least part of surface of the electrode active material particles to connect the electrode active material particles to each other, and a linear structure distributed between the electrode active material particles.

Abstract: A method of manufacturing a pouch-shaped battery cell includes injecting an electrolytic solution into a pouch-shaped battery case, in which an electrode assembly is received, placing the pouch-shaped battery cell in a jig configured to fix and press the pouch-shaped battery cell and charging and discharging the pouch-shaped battery cell in the state in which pressure is applied to the jig (an activation step).

Abstract: A method of manufacturing a pouch-shaped battery cell including a silicon-based negative electrode active material includes injecting an electrolytic solution into a pouch-shaped battery case, in which an electrode assembly is mounted, charging and discharging the pouch-shaped battery cell having the electrolytic solution injected thereinto (a primary formation step), placing the pouch-shaped battery cell in a jig configured to fix and press the pouch-shaped battery cell, and charging and discharging the pouch-shaped battery cell while pressure is applied to the pouch-shaped battery cell by the jig (a jig grading step).

Abstract: A method for manufacturing an electrode for a solid state battery and an electrode obtained thereby. In the electrode, the electrode active material particles are at least partially surface-coated with a first coating layer including a mixture of (a) a binder, a first polymer electrolyte or both a binder and a first polymer electrolyte, and (b) a conductive material. In addition, the first coating layer in the electrode is formed by an electrospraying and/or electrospinning process.

Abstract: The present disclosure relates to a method for manufacturing an electrode including a polymer electrolyte and an electrode obtained thereby. Particularly, the present disclosure relates to an electrode for a wide voltage battery which has improved reactivity on the surface of the electrode active material. The electrode provides an increased reactive site between an electrode active material and a polymer electrolyte and an improved ratio of the amount of active material in the electrode, and thus can provide a battery with improved energy density.

Abstract: Disclosed is a pouch-type secondary battery, which includes an electrode assembly having a positive electrode plate and a negative electrode plate disposed to face each other and a pouch case having a concave groove formed to accommodate the electrode assembly, wherein the pouch case includes a first pouch film and a second pouch film thermally fused to the first pouch film, and wherein a concave groove is formed in at least one of the first pouch film and the second pouch film, and the concave groove has a bottom surface on which the electrode assembly is placed so that the bottom surface has an area equal to or greater than an area of a reference surface that covers an opening of the concave groove.

Abstract: The present invention relates to an electrode and a method for manufacturing the electrode, which are for maintaining the uniformity of the thickness of an electrode coating layer in the electrode. In addition, the present invention is characterized by including a preparation step for preparing an electrode foil, an attachment step for attaching an adhesive member onto a portion of the electrode foil, a coated part formation step for coating an active material onto the electrode foil, and an uncoated part formation step for forming an uncoated part on the electrode foil by removing the adhesive member along with the active material coated onto the adhesive member.

Abstract: Provided are a negative electrode including a current collector, a first active material layer including first active material particles and disposed on the current collector, and a first pattern and a second pattern alternately disposed separately from each other on the first active material layer, wherein the first pattern includes first pattern active material particles, the second pattern includes second pattern active material particles, a thickness of the first pattern is greater than a thickness of the second pattern, and a volume expansion rate of the second pattern is greater than a volume expansion rate of the first pattern, and a secondary battery including the negative electrode.

Abstract: The present invention relates to a positive electrode and a secondary battery including the same, and particularly, to a positive electrode which includes a current collector; a first active material layer including first active material particles and disposed on the current collector; and a first pattern and a second pattern alternately disposed separately from each other on the first active material layer, wherein the first pattern includes first pattern active material particles, the second pattern includes second pattern active material particles, the first pattern has a thickness greater than that of the second pattern, and the second pattern has a volume expansion rate greater than that of the first pattern, and a secondary battery including the same.

Abstract: The present invention relates to a method of preparing a lithium secondary battery which may improve productivity and performance of the lithium secondary battery by visually measuring an actual electrolyte solution impregnation time for an electrode active material, setting an estimated impregnation time of the electrolyte solution for a battery based on a measured result, and reflecting the estimated impregnation time in a production process.

Abstract: The present invention provides a fixing bracket of a sprinkler for safely fixing and easily mounting and separating a reducer of a sprinkler. The fixing bracket has a body having holes for mounting the reducer, and a pressing lever pressing the bar to bring the bar in contact with the reducer in a space inside the body, in which the body has a pair of walls facing each other and having the holes, respectively, and a bridge connecting the walls, and the pressing lever is turned around a hinge shaft at a first side of the body and presses the bar through an opening formed through the bridge when being turned.

Abstract: Provided is a side bracket for holding a sprinkler joint by clamping a square bar to two channeled rails, the channeled rails being arranged in parallel at regular intervals so as to hold ceiling boards, with horizontal wings provided along opposite side edges of each of the channeled rails, and the square bar crossing the two channeled rails. The side bracket includes: a pair of support sides; an upper connection part connecting upper ends of the support sides; clamp parts provided on lower ends of the support sides so as to be clamped to a channeled rail; and a space adjustment unit provided on lower parts of the support sides of the side bracket. The side bracket can be easily and simply clamped to a wing of a channeled rail while providing a firm clamping structure.

Abstract: Disclosed is a side bracket for fixing a sprinkler joint. The side bracket for fixing the sprinkler joint includes a distance controller installed at a lower portion of one of side wall supporting portions of the side bracket, wherein the distance controller includes an inclined plate installed at an outer surface of the side wall supporting portion, a rotational member installed along a center line of the inclined plate, and a fixing shaft configured to connect the inclined plate with the rotational member and to pass through and be fixed to the pair of side wall supporting portions.

Abstract: The present invention provides a fixing bracket of a sprinkler for safely fixing and easily mounting and separating a reducer of a sprinkler. The fixing bracket has a body having holes for mounting the reducer, and a pressing lever pressing the bar to bring the bar in contact with the reducer in a space inside the body, in which the body has a pair of walls facing each other and having the holes, respectively, and a bridge connecting the walls, and the pressing lever is turned around a hinge shaft at a first side of the body and presses the bar through an opening formed through the bridge when being turned.

Abstract: Provided is a side bracket for holding a sprinkler joint by clamping a square bar to two channeled rails, the channeled rails being arranged in parallel at regular intervals so as to hold ceiling boards, with horizontal wings provided along opposite side edges of each of the channeled rails, and the square bar crossing the two channeled rails. The side bracket includes: a pair of support sides; an upper connection part connecting upper ends of the support sides; clamp parts provided on lower ends of the support sides so as to be clamped to a channeled rail; and a space adjustment unit provided on lower parts of the support sides of the side bracket. The side bracket can be easily and simply clamped to a wing of a channeled rail while providing a firm clamping structure.

Abstract: Disclosed is a side bracket for fixing a sprinkler joint. The side bracket for fixing the sprinkler joint includes a distance controller installed at a lower portion of one of side wall supporting portions of the side bracket, wherein the distance controller includes an inclined plate installed at an outer surface of the side wall supporting portion, a rotational member installed along a center line of the inclined plate, and a fixing shaft configured to connect the inclined plate with the rotational member and to pass through and be fixed to the pair of side wall supporting portions.