Abstract: The present technology relates to an adhesion strength measurement system for a wet electrode specimen that can evaluate the adhesion strength of an electrode specimen impregnated with an electrolyte solution, and an adhesion strength measurement method for a wet electrode specimen using the same. The adhesion strength measurement system includes: a test substrate; an electrode specimen attached to the test substrate; a fixing jig configured to fix the test substrate so that the electrode specimen attached to the test substrate is immersed in an electrolyte solution; and an adhesion strength measurement unit configured to measure a force at which a mixture layer of the electrode specimen is peeled off by applying a tensile force to the gripped electrode specimen, the adhesion strength measurement unit including a grip part configured to grip one region of the electrode specimen.

Abstract: The present technology relates to a manufacturing method for an electrode binder, comprising a step of dissolving pelletized polyvinylidene fluoride (PVDF) in a solvent; and an electrode assembly comprising the electrode binder. The present invention may provide an electrode assembly which has a low content of impurities in a binder solution, is capable of increasing dispersibility of an electrode active material, and exhibits excellent binding force.

Abstract: A cleaning system is provided. The cleaning system includes a robot cleaner and a station. The robot cleaner includes a pad fixing part on which a cleaning pad is detachably mounted, a lifter to lift a part of the robot cleaner at which the pad fixing part is positioned, and a pad detacher to detach the cleaning pad mounted on the pad fixing part. The station includes a pad storage box in which a cleaning pad that is to be provided to the robot cleaner is stored, a pad coupling part on which a cleaning pad that is to be coupled to the robot cleaner is rested, and a pad supplier to supply the cleaning pad stored in the pad storage box to the pad coupling part.

Abstract: Provided is a conductive material dispersion comprising single-walled carbon nanotubes, a dispersant, a dispersion aid, and a dispersion medium, wherein the dispersant comprises polyvinyl butyral and hydrogenated nitrile butadiene rubber, and the dispersion aid comprises a compound represented by Formula 1. A-(R)n??[Formula 1] In Formula 1, A is a structure having a carbon number of 16 to 50 carbon number and comprising four or more aromatic rings and nitrogen, R is a structure comprising an anionic functional group, and n is an integer of 1 to 5.

Abstract: A conductive material dispersion, an electrode, and a secondary battery prepared using the conductive material dispersion are provided. The conductive material dispersion may include a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a non-aqueous solvent. The main dispersant may include a hydrogenated nitrile-based copolymer having a weight average molecular weight of 5,000 to 100,000, and the auxiliary dispersant may include a compound containing methylcellulose as a main chain.

Abstract: A cleaning system is provided. The cleaning system includes a robot cleaner and a station. The robot cleaner includes a pad fixing part on which a cleaning pad is detachably mounted, a lifter to lift a part of the robot cleaner at which the pad fixing part is positioned, and a pad detacher to detach the cleaning pad mounted on the pad fixing part. The station includes a pad storage box in which a cleaning pad that is to be provided to the robot cleaner is stored, a pad coupling part on which a cleaning pad that is to be coupled to the robot cleaner is rested, and a pad supplier to supply the cleaning pad stored in the pad storage box to the pad coupling part.

Abstract: A conductive agent dispersion includes carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant includes a main dispersant and an auxiliary dispersant, wherein the main dispersant is a hydrogenated nitrile-based copolymer, a residual double bond value of the hydrogenated nitrile-based copolymer according to Equation 1 satisfies 0.3 wt % or less, and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one of a styrene unit and an alkylene unit. An electrode and a lithium secondary battery which are prepared by using the same are also provided.

Abstract: An embodiment apparatus for estimating a wear amount of a tire includes a memory storing a model configured to learn a correlation between a driving pattern and the wear amount of the tire and a controller configured to estimate the wear amount of the tire corresponding to the driving pattern of a driver based on the model.

Abstract: Disclosed is a wheel assembly including a main rotation part that is to be rotated about a first rotation axis, a power transmitting part that receives power from the main rotation part, and a variable rotation part that receives a rotational force from the power transmitting part to be rotated about a second rotation axis when the main rotation part is rotated, and to be moved relative to the main rotation part such that the first rotation axis and the second rotation axis overlap each other or are spaced apart from each other.

Abstract: In order to improve assembling convenience and productivity of products, the present invention provides a wire winding adjusting device comprising a reel portion which is accommodated in a housing unit and is selectively hook-engaged with and rotated interlocking with a rotation manipulation means such that a wire is wound on the outer circumference thereof, wherein the rotation manipulation means is rotated about a driving protrusion at the center thereof during a rotation manipulation.

Abstract: A display device includes: a first substrate in which a display area and a non-display area disposed outside the display area are defined; a second substrate facing the first substrate; and a cell seal disposed on the non-display area, where the cell seal includes a bonding filament connecting the first substrate and the second substrate to each other.

Abstract: Provided is a negative electrode including a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material, a binder, a conductive agent, and a dispersant, wherein the conductive agent includes a carbon nanotube structure in which a plurality of single-walled carbon nanotube units are bonded side by side, the carbon nanotube structure has an average length of 1 ?m to 20 ?m, and QBR according to Equation 1 is in a range of 1 to 1.75 QBR = Bs / Bf .

Abstract: Disclosed is a movable object which includes a wheel assembly including a main rotary part that rotates about a first rotational axis and a variable rotary part that moves relative to the main rotary part in a direction not aligned with the first rotational axis. The variable rotary part rotates at the same angular velocity as a main angular velocity when the main rotary part rotates, the main angular velocity being an angular velocity of the main rotary part.

Abstract: Disclosed is a wheel assembly including a driving rotation part being rotatable about a driving rotation axis that is a rotation axis that extends in one direction, and a variable rotation part being rotatable about a variable rotation axis that is an imaginary rotation axis, of which a relative location to the driving rotation axis is variable, and being movable relative to the driving rotation part along a direction that is not parallel to the one direction, wherein a relative location of the variable rotation axis to the driving rotation axis is variable when the variable rotation part is moved relative to the driving rotation part.

Abstract: The present technology relates to an adhesion strength measurement system for a wet electrode specimen that can evaluate the adhesion strength of an electrode specimen impregnated with an electrolyte solution, and an adhesion strength measurement method for a wet electrode specimen using the same. The adhesion strength measurement system includes: a test substrate; an electrode specimen attached to the test substrate; a fixing jig configured to fix the test substrate so that the electrode specimen attached to the test substrate is immersed in an electrolyte solution; and an adhesion strength measurement unit configured to measure a force at which a mixture layer of the electrode specimen is peeled off by applying a tensile force to the gripped electrode specimen, the adhesion strength measurement unit including a grip part configured to grip one region of the electrode specimen.

Abstract: A display device includes a substrate including an organic film layer, a first lower pattern which is disposed on the substrate, includes overlap patterns, first bridges, and second bridges, and has a mesh shape, a second lower pattern which is disposed in a same layer as the first lower pattern, is connected to the first lower pattern, and surrounds the first lower pattern, a first active pattern disposed on the first lower pattern, and a plurality of gate electrodes disposed on the first active pattern and overlapping the overlap patterns.

Abstract: The present invention relates to a method of reusing a positive electrode material, and more particularly, the method includes: inputting a positive electrode for a lithium secondary battery comprising a current collector, and a positive electrode active material layer formed on the current collector and including a first positive electrode active material, a first binder and a first conducting agent, into a solvent; separating at least a portion of the positive electrode active material layer from the current collector; adding second binder powder to the solvent and performing primary mixing a resulting mixture; and preparing a positive electrode material slurry by adding a second positive electrode active material and a second conducting agent to the solvent and performing secondary mixing a resulting mixture.

Abstract: A method for measuring a position, is performed by a vehicle assembly (VA) for alignment between a ground assembly (GA) and the VA. The method includes transmitting low frequency (LF) signals to initiate alignment with the GA and estimating a position of a vehicle using at least one sensor mounted on the vehicle. Information regarding the estimated position of the vehicle is provided to the GA and information regarding a position of the vehicle measured by LF receive antennas of the GA and an acceleration flag calculated by the GA is received. Accordingly, a transmission strength of the LF signals transmitted by the VA is adjusted based on the information regarding the position of the vehicle measured by the LF receive antennas and the acceleration flag.

Abstract: A current collector and a method of manufacturing the same are disclosed herein. In some embodiments, a current collector includes a complex polymer film layer, wherein the complex polymer film layer includes: a polymer matrix; and a metal material dispersed in the polymer matrix, wherein the metal material is fiber-shaped or plate-shaped, and the metal material is oriented in one direction.

Abstract: An embodiment method of recognizing a parking floor for a vehicle includes recognizing a spot at which the vehicle enters a parking deck, obtaining an inclination signal indicating an inclination trajectory of the vehicle traveling during a parking period from entry to the parking deck to parking, obtaining an inclination pulse of the inclination signal based on a reference inclination value, and determining a floor number of the parking deck on which the vehicle is parked using the inclination pulse.