Abstract: Described is a positive electrode including a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first positive electrode active material layer includes a first positive electrode active material including a lithium iron phosphate-based compound. The second positive electrode active material layer includes a second positive electrode active material including a lithium iron phosphate-based compound and an oxide-based solid electrolyte. The oxide-based solid electrolyte is included in an amount in a range of about 0.1 wt % to about 3.0 wt % based on 100 wt % of a total of the second positive electrode active material layer.

Abstract: Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a substrate, and a positive electrode active material layer on the substrate. The positive electrode active material layer includes MXene, a solid electrolyte, and a positive electrode active material. A distribution of the solid electrolyte increases from the lower portion to the upper portion of the positive electrode active material layer.

Abstract: The present disclosure relates to an electrode for a rechargeable lithium battery, a rechargeable lithium battery including the electrode, and a method for producing the electrode. The electrode includes an electrode current collector, a first active material layer on the electrode current collector, and a second active material layer on the first active material layer. The first active material layer includes a first active material and a first composite conductive material. The second active material layer includes a second active material and a second composite conductive material. The first composite conductive material includes a first carbon nanostructure and a first polymer, the first polymer being chemically bonded to a surface of the first carbon nanostructure. The second composite conductive material includes a second carbon nanostructure and a second polymer, the second polymer chemically bonded to a surface of the second carbon nanostructure.

Abstract: A rechargeable lithium battery positive includes a positive electrode. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on a surface of the positive electrode current collector. The positive electrode active material layer contains a first positive electrode active material layer on the positive electrode current collector, the first positive electrode active material layer including a first positive electrode active material and a first binder, and a second positive electrode active material on the first positive electrode active material layer, the second positive electrode active material layer including a second positive electrode active material and a second binder. Each of the first positive electrode active material and the second positive electrode active material is or includes a composite oxide having an olivine structure.

Abstract: The present disclosure relates to a positive electrode for a rechargeable lithium battery. The positive electrode includes a positive electrode current collector and a positive electrode active material layer formed on at least one surface of the positive electrode current collector. The positive electrode active material layer includes a first positive electrode active material layer in contact with the positive electrode current collector, and a second positive electrode active material layer disposed on the first positive electrode active material layer. The first positive electrode active material layer includes a first positive electrode active material and the second positive electrode active material layer includes a second positive electrode active material. The DA (Degree of Alignment) value of the second positive electrode active material DA2 is greater than the DA value of the first positive electrode active material DA1.

Abstract: Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a substrate, and a positive electrode active material layer on the substrate. The positive electrode active material layer includes MXene and a positive electrode active material. An amount of the MXene increases from an upper portion to a lower portion of the positive electrode active material layer.

Abstract: Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a substrate and a positive electrode active material layer on the substrate. The positive electrode active material layer includes MXene and a positive electrode active material. An amount of the MXene increases from an upper portion to a lower portion of the positive electrode active material layer.

Abstract: A display panel and a display apparatus comprising the same are provided. The display panel in some examples includes a substrate and a light shielding layer on the substrate. The substrate includes a bending area, a first non-bending area, and a second non-bending area. The bending area is arranged between the first non-bending area and the second non-bending area. The light shielding layer includes a black coating layer arranged in the first non-bending area, a first black pattern layer arranged in the first non-bending area, and a second black pattern layer arranged in the second non-bending area. The first non-bending area includes a first buffer pattern, and the first buffer pattern is arranged between the black coating layer and the first black pattern layer.

Abstract: A display device can include a first sub pixel and a second sub pixel disposed on a substrate and configured to emit a same color of light, a first light emitting diode disposed in the first sub pixel, a second light emitting diode disposed in the second sub pixel, a first inclined insulating portion disposed on the first light emitting diode, and a second inclined insulating portion disposed on the second light emitting diode. Also, the display device can further include a first lens disposed on the first inclined insulating portion and configured to change a direction of light emitted from the first light emitting diode, and a second lens disposed on the second inclined insulating portion and configured to change a direction of light emitted from the second light emitting diode.

Abstract: A display device and a vehicle comprising thereof enhance viewing angle luminance by constituting one subpixel with a plurality of division pixels. The display device comprises: a substrate on which a main division pixel and at least one subdivision pixel adjacent to the main division pixel are disposed; and a lens unit disposed on the main division pixel and the at least one subdivision pixel, and including a main lens corresponding to the main division pixel and at least one sub lens respectively corresponding to the at least one subdivision pixel, wherein a central axis of each of the at least one sub division pixel does not overlap a central axis of the at least one sub lens respectively corresponding to the at least one subdivision pixel.

Abstract: A manufacturing device of a fiber-type electrode includes: a bath including a coagulant; a transport portion including a supply roll provided outside the bath, a take-up roll provided inside the bath to be immersed in the coagulant, and a winding roll provided outside the bath, and configured to transport a fiber-type substrate; and a nozzle between the supply roll and the take-up roll. The nozzle includes a guide pipe that provides a moving passage of the fiber-type substrate, an inner main body around the guide pipe and that provides a central axis space in which an active material solution is supplied, and an outer main body around the inner main body and that provides a peripheral space in which a polymer solution is supplied.

Abstract: A manufacturing apparatus of a fiber-kind of electrode, including: a tank containing an active material solution and a polymer solution separated into a lower layer and an upper layer, and not mixed with each other; a transport portion configured to transport a fibrous substrate including: a supply roll located outside the tank; a take-up roll installed inside the tank to be immersed in the active material solution; and a winding roll located outside of the tank; a tubular portion surrounding around a part of the fibrous substrate transported between the supply roll and the take-up roll, and installed inside the tank to have an outer surface in contact with the polymer solution; and a dryer installed between the tank and the winding roll, and to dry the fibrous substrate discharged from the tank.

Abstract: An electronic device include a microphone, a wireless charging circuit, a wireless communication circuit, and processor electrically connected with the microphone, the wireless charging circuit, and the wireless communication circuit. The processor acquires first information corresponding to an ambient sound of the electronic device through the microphone, acquires second information related to a sleep of a user from a wearable device through the wireless communication circuit, the wearable device being connected with the electronic device through wireless communication, and, when wireless charging is performed by using the wireless charging circuit, adjusts a charging voltage of the wireless charging, based on at least one of the first information or the second information.

Abstract: According to an aspect of the present disclosure, a display device includes a substrate including an active area, the active area having a first active area and a second active area that encloses the first active area. A light emitting diode is disposed in the active area and includes an emission area. An optical member is disposed on the light emitting diode. In an upper area or a lower area of the second active area, a center of the optical member is shifted from a center of the emission area to enhance display performance.

Abstract: A method and device with autonomous mobile robot control are provided. The method includes acquiring worker traffic data and environment sensing data of a facility environment that includes a plurality of autonomous mobile robots; generating a dynamic operation profile for the plurality of autonomous mobile robots, based on the acquired worker traffic and environment sensing data; transmitting a control command to the plurality of autonomous mobile robots in accordance with the dynamic operation profile; and updating the dynamic operation profile by adjusting operation parameters of at least some of the plurality of autonomous mobile robots in the facility environment based on the worker traffic data, the environment sensing data, and cost data associated with the facility environment.

Abstract: Disclosed are negative electrodes and rechargeable lithium batteries including the same. The negative electrode includes a negative electrode current collector, and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer includes a first active material layer, a second active material layer, and a third active material layer that are stacked on the negative electrode current collector. The second active material layer includes carbon and silicon. The negative electrode active material layer further includes a hole on a first portion of the negative electrode active material layer. The hole penetrates the third active material layer to expose the second active material layer. A floor of the hole is between top and bottom surfaces of the second active material layer.

Abstract: A refrigerator includes a cabinet; a main door; a sub door rotatably connected to the main door; a main hinge device that allows the main door to rotate with respect to the cabinet; and a sub hinge device that allows the sub door to rotate relative to the main door. The main hinge device includes a hinge body installed at the cabinet, a pin unit provided at the hinge body or the main door, and a pin slot provided at the hinge body or the main door. The sub hinge device includes a hinge body coupled to the sub door, and a hinge pin extending from the hinge body and providing a rotation center of the sub door. During an opening process of the main door, relative positions of the pin slot and the pin unit vary, thereby allowing the rotation center of the main door to move.

Abstract: The present disclosure relates to an electrode and a rechargeable lithium battery including the electrode, and a method of manufacturing an electrode for a rechargeable lithium battery. An electrode for a rechargeable lithium battery includes an electrode current collector, a first active material layer on the electrode current collector, and a second active material layer on first active material layer. The first active material layer includes a first active material, a binder, and a conductive material. The second active material layer includes a second active material and a composite conductive material. The composite conductive material includes a carbon nanostructure and an adhesive polymer bonded to a surface of the carbon nanostructure.

Abstract: A home appliance includes: a cabinet; a main door; a sub door rotatable with respect to the main door; a main hinge device configured to allow the main door to rotate with respect to the cabinet; and a sub hinge device configured to allow the sub door to rotate with respect to the main door. The main hinge device includes a hinge body installed at the cabinet, a pin unit provided at the hinge body or the main door, and a pin slot in which the pin unit is received and provided at another of the hinge body and the main door. The sub hinge device includes a hinge pin that provides a rotation center for the sub door, and during an opening process of the main door, relative positions of the pin slot and the pin unit vary, and a rotation center of the main door moves.