Abstract: A laundry treating apparatus includes a coupler that connects a housing (a gearbox) capable of rotating a driver and a drum in a clutch inside the housing.

Abstract: A display device may include a lower substrate, a light emitting layer on the lower substrate, an encapsulating layer on the light emitting layer, a light blocking layer on the encapsulating layer and having a plurality of openings, a color conversion layer on the encapsulating layer and overlapping the plurality of openings, a spacer on the light blocking layer, an insulating layer on the light blocking layer and the color conversion layer and contacting the spacer, and a color filter layer on the insulating layer. A refractive index of the spacer may be smaller than a refractive index of the insulating layer.

Abstract: Disclosed are positive electrodes and rechargeable lithium batteries. The positive electrode includes a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particle including a layered positive electrode active material, a second particle including an olivine-based active material, a first conductive material; and a first binder. The second active material layer includes the second particle, a second conductive material, and a second binder. An amount of the first particle in the first active material layer is equal to or greater than about 70% and equal to or less than about 90%.

Abstract: A rechargeable lithium battery that includes a positive electrode including a positive electrode active material layer and a current collector; a negative electrode; and an electrolyte solution is provided. The positive electrode active material layer and the electrolyte solution include an additive, a total amount of the additive included in the positive electrode active material layer and the additive included in the electrolyte solution is at least about 0.1 wt % and at most about 1 wt % based on a total positive electrode active material layer. A boiling point of the additive is greater than about 200° C.

Abstract: A positive electrode includes a positive electrode current collector and a positive electrode active material layer located on the positive electrode current collector and including a positive electrode active material and a conductive material. The positive electrode active material includes a layered lithium nickel-manganese-based composite oxide. The positive electrode may derive a reduced amount of a required conductive material using only the information of the positive electrode active material, thereby realizing high capacity and low mixture resistance, thereby enabling the realization of a long cycle-life.

Abstract: Examples include a positive electrode active material for a rechargeable lithium battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material. A positive electrode active material includes a first particle having an olivine crystal structure and having a first average particle diameter, a second particle having an olivine crystal structure and having a second average particle diameter smaller than the first average particle diameter, and a third particle having an olivine crystal structure and having a third average particle diameter larger than the first average particle diameter.

Abstract: Disclosed are conductive material dispersion liquid including nanocarbon, a fluorine-containing lithium salt, a solvent, an electrode composition, an electrode for a rechargeable lithium battery, and a rechargeable lithium battery.

Abstract: Example embodiments include low-resistance positive electrodes, and rechargeable lithium batteries including the same. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material in a concentration of about 95.5 wt % to about 99 wt %, a binder in a concentration of about 0.5 wt % to about 1.5 wt %, and a conductive material in a concentration of about 0.5 wt % to about 3 wt %. The conductive material includes nano-carbon particles and carbon nano-tubes. A weight ratio of the carbon nano-tubes to the nano-carbon particles is in a range of about 1.5 to about 3.5.

Abstract: The present disclosure relates to an electrolyte for a lithium-sulfur secondary battery that can improve output power characteristics of lithium-sulfur secondary batteries, and a lithium-sulfur secondary battery including the same. The electrolyte for the lithium-sulfur secondary battery includes a lithium salt, a non-aqueous solvent and an additive, wherein a first mixing energy (Gmix1) of the electrolyte and dilithio pertetrasulfide (Li2S8) and a second mixing energy (Gmix2) of the electrolyte and lithium sulfide (Li2S) are each within a certain range.

Abstract: A device for predicting the physical properties of a mixture including a plurality of component materials is disclosed. The device may comprise a memory in which a first AI model trained to output first feature data of material information, and a second AI model trained to output physical property prediction information of the first feature data are stored, and a processor for executing the first AI model and the second AI model, wherein the processor may input, into the first AI model, material information of each of the plurality of materials to acquire first feature data of each of the plurality of materials, and input the first feature data into the second AI model to acquire physical property prediction information of the mixture.

Abstract: A laundry treatment apparatus includes: a tub, a drum provided in the tub, an agitator provided in the drum, a driver coupled to the tub and providing power for rotating at least one of the drum or the agitator, and a clutch unit provided between the driver and the agitator and transmitting the power to the drum or the agitator. The clutch unit includes: a gear unit rotating by the driver, a rotary shaft coupled to the gear unit and rotating the agitator, a housing coupled to the drum and accommodating the gear unit and the rotary shaft, a coupler reciprocating between the housing and the driver and selectively coupling the housing to the driver, a moving unit including the coupler therein, and a sensor unit sensing whether the coupler is coupled to the housing and a height or a position of the coupler or the moving unit.

Abstract: Examples of the disclosure include a positive electrode including a current collector; a positive electrode active material layer located on the current collector and including a positive electrode active material and a conductive material, and a conductive layer located as a separate layer inside the positive electrode active material layer and including carbon nanotubes, wherein the conductive material is included in an amount of about 0.01 wt % to about 0.5 wt % based on 100 wt % of the positive electrode active material layer. Examples also include a positive electrode and a rechargeable lithium battery including the same that can maintain high energy density by reducing the content of the conductive material, while maintaining low overall resistance of the electrode plate.

Abstract: The present disclosure relates to a method for preparing a positive electrode additive for a lithium secondary battery having a high irreversible capacity and being capable of preventing gelation and reducing gas generation, and a positive electrode additive prepared thereby. The method for preparing the positive electrode additive includes the steps of: mixing a lithium raw material, a nickel raw material and, optionally, a raw material containing an element M, and then heat-treating the mixture, thereby preparing a predetermined lithium nickel oxide, wherein the lithium raw material includes Li2O and LiOH, and the LiOH is used in an amount of 5 to 10% by weight with respect to the total weight of the lithium raw material.

Abstract: A semiconductor device may include: an active pattern on a substrate; a substrate recess formed in an upper portion of the substrate in a third direction intersecting a bottom surface of the substrate; a first interconnection layer above the active pattern in the third direction; a power delivery network layer below the bottom surface of the substrate in the third direction; and a penetration via pattern electrically connecting the first interconnection layer to the power delivery network layer, wherein the penetration via structure is provided in the substrate recess, and a side surface of the penetration via structure is spaced apart from an inner side surface of the substrate recess.

Abstract: The present disclosure relates to a positive electrode additive, a manufacturing method thereof, and a positive electrode and a lithium rechargeable battery including the same. Specifically, one embodiment of the present disclosure provides a positive electrode additive for a lithium rechargeable battery comprising: a compound represented by the following Chemical Formula 1; a compound represented by the following Chemical Formula 2; and lithium phosphate (Li3PO4): Li2+aNibM1?bO2+c??[Chemical Formula 1] wherein, M is a metal element forming a divalent cation, ?0.2?a?0.2, 0.5?b?1.0, and ?0.2?c?0.2, Ni2?eM1?eP4O12??[Chemical Formula 2] wherein, 0.5?e?1.0, and M is the same as defined in Chemical Formula 1.

Abstract: The present invention relates to a lithium secondary battery manufactured by forming a negative electrode free battery and then forming a lithium metal on the negative electrode current collector by charging. In the lithium secondary battery, since lithium metal is formed on the negative electrode current collector in the state of being blocked with the atmosphere, the generation of the conventional surface oxide layer (native layer) formed on the negative electrode does not occur inherently, thereby preventing the reduction of the efficiency and lifetime characteristics of the battery.

Abstract: An electrode for a rechargeable battery according to an embodiment includes a substrate having a first surface and a second surface, a middle layer on the first surface of the substrate, and a first active material layer on the middle layer, wherein a surface roughness of the first surface of the substrate and a surface roughness of the second surface of the substrate are different, and the middle layer is on the first surface having a relatively larger surface roughness than the second surface.

Abstract: An electronic device is provide that may identify voiceprint data corresponding to a user from among at least one piece of voiceprint data, based on received user voice data, identify a general voice instruction included in the received user voice data, determine user preference information of the user, based on the identified voiceprint data, determine a control action for determining an action to be performed in at least one external device or the electronic device, based on the general voice instruction identified from the received user voice data, determine a personalized voice instruction, based on at least one of the control action or the user preference information, and transmit, to the at least one external device, through the communication circuit, an audio signal corresponding to the personalized voice instruction to be output by the at least one external device, or output the audio signal through a speaker included in the electronic device.

Abstract: A positive electrode includes a positive electrode active material layer including a positive electrode active material of Chemical Formula 1 and carbon nanotubes with an average length of about 30 ?m to about 80 ?m; and a current collector supporting the positive electrode active material layer, wherein the positive electrode has an active mass density of greater than or equal to about 2.5 g/cc. LiaFe1-xMxPO4.??Chemical Formula 1 In Chemical Formula 1, 0.90?a?1.8, 0?x?0.7, and M is Mg, Co, Ni, Mn, or a combination thereof.

Abstract: A glasses-type wearable device providing an augmented reality guide and a method for controlling the same is provided. The glasses-type wearable device includes a communication circuit, a camera, and a processor configured to receive a second surrounding-image of an external electronic device connected with the glasses-type wearable device from the external electronic device through the communication module while obtaining a first surrounding-image of the glasses-type wearable device using the camera, identify a first task being performed by a user of the glasses-type wearable device using the first surrounding-image and a second task being performed by a user of the external electronic device using the second surrounding-image, identify a difference between a current progress status of the first task and second task, and control the communication circuit to provide an AR guide corresponding to the second task to the external electronic device, based on the identified difference in progress status.