Abstract: Provided are a robot cleaner and a method of controlling the same. The robot cleaner includes a main body, a driver included in the main body and supplying power for driving the robot cleaner to travel, first, second, and third rotation members that are rotated around first, second, and third rotation axes, respectively, using power of the driver and to which cleaners for wet cleaning of a cleaning target surface are fixedly installed, respectively, and a controller controlling at least one of a rotation direction or a rotation speed of the third rotation member to adjust a travel direction of the robot cleaner, wherein the third rotation axis is parallel to a perpendicular direction of the robot cleaner.

Abstract: Provided are a cleaning robot and a control method thereof. A control method of a cleaning robot using a rotational force of a plurality of rotation members as a motive power source for its driving, includes: driving the cleaning robot by rotating at least one of a first rotation member performing a rotational motion around a first rotation axis and a second rotation member performing a rotational motion around a second rotation axis; determining whether the cleaning robot reaches a wall surface during its driving; and driving the cleaning robot along the wall surface by rotating at least one of the first and second rotation members while maintaining one side surface of the cleaning robot to be in close contact with the wall surface when it is determined that the cleaning robot reaches the wall surface.

Abstract: Provided are a cleaning robot and a control method thereof. The control method of the cleaning robot including a first rotation member and a second rotation member each performing a rotational motion around a first rotation axis and a second rotation axis according to the present disclosure includes: obtaining acceleration of the cleaning robot and at least one of rotational loads and rotational speeds of the respective first and second rotation members, during driving of the cleaning robot; determining whether the obtained acceleration is abnormal and whether at least one of the obtained rotational loads or at least one of the obtained rotational speeds is abnormal; and determining that an obstacle is detected when the acceleration is determined to be abnormal and at least one of the rotational loads or at least one of the rotational speeds is determined to be abnormal.

Abstract: A toner for developing an electrostatic latent image includes a plurality of toner particles. Each of the plurality of toner particles includes an additive attached to a surface of the particle, such that, when the plurality of toner particles are measured by X-ray fluorescence (XRF) spectrometry, an X-ray fluorescence intensity of lanthanum [La] (unit: kcps) and an X-ray fluorescence intensity of strontium [Sr] (unit: kcps) measured by the XRF spectrometry of the toner satisfy the following conditions (1) and (2): 0.2 kcps<[La]<2 kcps ??(1), and 100 kcps<[Sr]<800 kcps ??(2).

Abstract: The present invention relates to a method for producing lithium phosphate, comprising: passing a lithium-containing solution through an aluminum-based adsorbent to adsorb lithium on the aluminum-based adsorbent, passing the distilled water or an aqueous solution having a lower lithium concentration than the lithium-containing solution through the aluminum-based adsorbent on which the lithium is adsorbed to obtain a lithium-containing desorption solution, and putting a phosphorous supplying material in the lithium-containing desorption solution to obtain lithium phosphate

Abstract: The present invention relates to a method for manufacturing lithium hydroxide and lithium carbonate, and a device therefor.

Abstract: A resin composition useful for making an inside door handle with a skin-core structure made by using co-injection, an inside door handle manufactured using the resin composition, and a method for manufacturing such a door handle are provided herein.

Abstract: A symbol button for a vehicle includes: a button body; a button surface portion positioned at an upper portion of the button body; a symbol printing portion positioned on the button surface portion; an anti-plating portion positioned at a lower portion of the button body; and a metal plating layer positioned at the outside of a button excluding the symbol printing portion and the anti-plating portion.

Abstract: A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.

Abstract: The present invention relates to a method for producing lithium hydroxide and lithium carbonate, wherein the lithium hydroxide and the lithium carbonate can be produced by a series of steps of: performing bipolar electrodialysis of a lithium-containing solution from which divalent ion impurities have been removed; concentrating lithium in the lithium-containing solution and at the same time, converting the lithium to lithium hydroxide; and carbonating the lithium hydroxide to obtain lithium carbonate.

Abstract: Provided herein is a robot cleaner. The robot cleaner includes a main body, a driving unit provided in the main body and supplying power for traveling of the robot cleaner, first and second rotary members respectively rotating about first and second rotational axes based on power from the driving unit to provide a movement power source for traveling of the robot cleaner, and allowing cleaners for wet cleaning to respectively be fixed thereto, and a controller determining a cleaning traveling pattern of the robot cleaner and controlling the driving unit such that the robot cleaner travels, while sequentially repeating forward movement and backward movement according to the determined cleaning traveling pattern.

Abstract: Provided herein is a robot cleaner. The robot cleaner includes a main body, a driving unit provided in the main body and supplying power for traveling of the robot cleaner, first and second rotary members respectively rotating about first and second rotational axes based on power from the driving unit and allowing cleaners for wet cleaning to be fixed thereto, a sensing unit sensing whether a traveling position of the robot cleaner is below an obstacle, and a controller controlling, when it is determined that the traveling position of the robot cleaner is below the obstacle on the basis of a sensing signal from the sensing unit, the driving unit such that the robot cleaner avoids a lower side of the obstacle.

Abstract: The present invention relates to a method for producing metallic lithium, and specifically a method for preparing lithium metal according to an embodiment of the present invention, comprises: preparing lithium phosphate; preparinge a mixture by adding a chlorine compound to the lithium phosphate; heating the mixture; obtaining lithium chloride by reacting the lithium phosphate and the chloride compound in the mixture; producing molten lithium metal by electrolyzing the lithium chloride; and recovering the molten lithium metal is disclosed.

Abstract: An apparatus for preparing carbonate according to an embodiment of the present invention includes a reactor in which carbonation gas reacts with a solution to be carbonated; a first nozzle located at one side of the reactor, and discharging the solution to be carbonated into the reactor, a second nozzle located adjacent to the first nozzle, and spraying the carbonation gas into the path through which the solution to be carbonated is discharged to form a mist composed of the solution to be carbonated and the carbonation gas, and a recovery unit located at a lower end of the reactor, and recovering a carbonate salt from the slurry formed in the reactor.

Abstract: This disclosure relates to a method of preparing a lithium compound that includes preparing a lithium phosphate, mixing the lithium phosphate with sulfuric acid to obtain a mixture, converting the lithium phosphate into lithium sulfate through a reaction in the mixture, and separating the lithium sulfate in a solid phase, wherein in the step of converting the lithium phosphate into lithium sulfate through the reaction in the mixture, a sum concentration ([P+S] mol/L) of phosphorus (P) and sulfur (S) in a liquid phase of the mixture is greater than or equal to 5 mol/L.

Abstract: A symbol button for a vehicle includes: a button body; a button surface portion positioned at an upper portion of the button body; a symbol printing portion positioned on the button surface portion; an anti-plating portion positioned at a lower portion of the button body; and a metal plating layer positioned at the outside of a button excluding the symbol printing portion and the anti-plating portion.

Abstract: Disclosed is a composition including: an amount of about 60 to 90 wt % of a polymer matrix based on the total weight of the complex material composition and an amount of about 10 to 40 wt % of an inorganic filler based on the total weight of the composition.

Abstract: A method of manufacturing a doorstep or a door scuff is provided. The method includes an ABS material injection step of injecting an acrylonitrile butadiene styrene (ABS) material to have a doorstep (or a door scuff) shape; a plastic plating step of plating an ABS material with plastic; and a PP injection step of fixing the ABS material plated with plastic in a mold, and injecting PP to the ABS material fixed in the mold so that the ABS material and a polypropylene (PP) material have a one-piece structure.

Abstract: Provided herein is a robot cleaner. The robot cleaner includes a main body, a driving unit provided in the main body and supplying power for traveling of the robot cleaner, first and second rotary members respectively rotating about first and second rotational axes based on power from the driving unit to provide a movement power source for traveling of the robot cleaner, and allowing cleaners for wet cleaning to respectively be fixed thereto, and a controller determining a cleaning traveling pattern of the robot cleaner and controlling the driving unit such that the robot cleaner travels, while sequentially repeating forward movement and backward movement according to the determined cleaning traveling pattern.

Abstract: A navigation terminal includes a path controller configured to identify moving trajectories reaching respective points of interest, to cluster the identified moving trajectories into at least one moving section, to reflect a road correction mechanism in the at least one clustered moving section and to cluster the at least one clustered moving section into at least one moving path, and to extract one moving path, in which time sequential position information received from a GPS is corrected, from the at least one clustered moving path. Thereby, the navigation terminal is resistant to error of a GPS sensor, error generated due to a collection cycle, or error generated in correction, and precisely predicts a moving path.